ELECTRONICS 1 A.F. OSCILLATOR (BRIDGE EXPERIMENTS) 8 A fix frequency Oscillator for Bridge Experiments, workable on 220 Volts 50 Hz, Giving variable output 0 to 10 volts P-P at 1000 Hz. Accuracy ±2% Output 2 General use of instruments is in ultra sound and letcher wire experiments. Generate frequency 3 MHz with high output volts. The frequency is A.F. OSCILLATOR (FUNCTION GENERATOR) Generates frequency from 1 Hz to 250 KHz in 6 steps wave form is sine square and Triangular. Output is variable from 0 to 10 Volts Accuracy ± 3% or 2 Hz. Output Impedance 50 ohms. Solid State. Workable on 220 v 50 Hz complete I.C. version with coarse and fine controls for output and 3 9 10 A.F. OSCILLATOR (DIGITAL) continuous variation in three control. coarse steps and a fine 12 R.F. OSCILLATOR 13 CRYSTAL MARKER GENERATOR Instruments is standard frequency generator, workable 220V 50 Hz, crystal used is of fundamental frequency of 1 MHz, Frequency output level is T.T.L. compatible. Four decade dividing circuit is used to make it variable 1 Hz to 1 MHz. 7 CONDUCTIVITY BRIDGE This instrument is to measure Conductance of Electrolyte solution or its Resistance directly. Working frequencies are 50 Hz and 1 KHz. Direct calibration in MHO. Resistance 0.1 Ohms to 1 Meg ohms. Conductance 1 MHO to 1 Micro Mhz Ohms. The instrument is solid state and workable on 220 Volts 50 Hz. Sine, Square waves, Read out Digital. Variable 100 KHz to 30 MHz. The instrument is to deliver modulated output and continuous wave form. The frequency range is covered in eight bands , modulation frequency is 400 Hz, and also available on output PULSE GENERATOR The instrument produces rectangular pulses. The pulse rate and the pulse width is variable. The pulse amplitude can be selected to trigger T.T.L. Circuit. Specification :Pulse Time : 10 Micro sec. to 1 sec. variable External Triggering : 2-20 Volts. Pulse Width : 1 Micro sec. to 1 sec. A.F. OSCILLATOR (FUNCTION GENERATOR) CUM DIGITAL Frequency Meter Variable from 1 Hz to 1 MHz in five decade ranges Accuracy ±2% or 1 Hz. Six steps output 1 mV to 20V open circuit, continuously variable. Frequency response ±0.3 db from 20 Hz to 20 KHz. Setting at KHz, 0-5 dB, 10 Hz to100 KHz. Output Impedance 600 6 T.V. PATTERN GENERATOR (BLACK AND WHITE) The instrument find application for checking coloured T.V. Line frame, time bass, linearity, picture, dimensions, video, I.F. sound and functional performance of Audio/Video Stages. It give four coloured and three 11 5 R.F. OSCILLATOR (AM/FM) Union instrument for testing Radio and T.V. Set variable from 200 KHz to 280 MHz in seven band output modulated at 400 Hz and 1 KHz with calibrated dial. F.M. modulating automatically switched above 50 MHz, output variable 0 to 200 m.V for the desired channel. The design is as per C.C.I.R. standard. Workable on 220 V 50 Hz (The Pattern same as above, with digital read out. specification ; wave form sin\sq \triangular frequency Range:1Hz to 250 k Hz in five selectable bands. Amplitude: 1to10 V P-P for 4 R.F. OSCILLATOR T.V. PATTERN GENERATOR (BLACK AND WHITE) L.C.R. BRIDGE Fully Solid state instrument, workable on 220 V 50 Hz or on 9 Volts Battery, useful for the wide range measurement of Resistance, Capacitance and I n d u c t a n c e . Resistance Range : 0.01 Ohms to 1 Meg Ohms in seven ranges. Capacitance 2 PF to 110 MFD. Inductance 2 micro Henries to 110 Henry in seven ranges Accuracy ±1%, D- The Instrument generate seven type of pattern and sound of 1 KHz. It is ideal for T.V. Testing and alignment of sync circuit and quick testing of R.F. I.F. Video and sound circuits. The equipment work on all P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . 3724, Opp. Kali Bari Mandir, Ambala Cantt 133001 Haryana (India) 1 ELECTRONICS 14 DUAL TRACE OSCILLOSCOPE It is a 20 MHz Dual Channel Oscilloscope that s ideal for, professionals as well as students undergoing technical studies. It is a rugged, light weight instrument that features a brijght, sharply defined trace on a 80 by 100 mm cathode ray tube. The internal trigger signal is ac coupled. An external triggering signal or an external Zaxis modulation signal can be applied via a front panel or rear panel connector and the source selector switch. The horizontal system provides calibration sweep speeds from 0.2s to 0.1 Micro S per division. For greater measurement accuracy a x5 magnifier circuit extends the maximum sweep speed to 20 ns per division. Special Features : Synchronisation of the signals from the two channels can be identified by a Red LED, marked as "READY", present on the right hand side top on the front panel. Frequency Bandwidth Deflection Factor Sweep Factor 15 DC - 20 MHz 5mV/div-10V x div x 5 0.2s-0.1s/div. ±5% Specifications : Band width Sensitivity Input Impedance Square wave calibration Triggering amplifier or Sweep Time Factor Horizontal Amplifier : Band width Display 18 POWER OUTPUT METER The instrument is to measure power directly across on load. The calibration is on a analogue meter and variable load can be selected by an band switch. The variation of load is 4, 8, 16, 32, 250, 600, 5000 ohms, range is 0-10 watts in two steps. 0 to 1 and 1 to 10 watts F.S.D., workable on 220 Volts, 50 Hz. 19 V.T.V.M. Workable on 220 V 50 Hz compiled in steel cabinet, Rectangular meter 110x90mm. Suitable for measurement of A.C. / D.C., Resistance 0-1000M. Ohms in seven ranges R.F. 0.50 Volts R.M.S. in 4 ranges. D.C. Range : 1.5, 5, 15, 150, 500, 1500 FS-D 20 ABSORPTION WAVE METER The instrument is to detect Radio frequency radiations. The wave length and strength can be known by tuning on L.C. Circuit. It consists of variable capacitor and two plugable 21 ABSORPTION WAVE METER Same as above with six coils 100 KHz to 100 MHz. 22 TRANSISTOR TESTOR Instrument is to test P.N.P. and N.P.N. transistors general purpose and low power. The indicator comprises an moving coil meter calibrated in gain or hfe. Socket provided for connecting transistor. Workable 220 V 50 Hz. 23 DISTORTION FACTOR METER Instrument is measure unwanted distorted signal in an amplifier, by feeding pure sine wave and amplified signal passing through filters and distorted signal measured on meter in terms of percentage. The instrument consists of sine wave generator filter circuit Vertical D.C. to 10 MHz (3db) 10mV/Cm Maximum 1 M Ohm. 2 VP-P. Internal from vertical external. 0.1 us/Div. 0.1s/div. ±5%. 24 Q METER The instrument is to measure ! (Quality factor) of an inductor. which is necessary to know when designing coils or transformer, measuring frequency is 1 KHZ or 10 KHZ. Measuring range is 0.1 to 100. Moving coil meter is used as indicator. Workable 220 V 50Hz. Balancing dial is directly DC to 1 MHz. 8x8 cm square OSCILLOSCOPE This instrument is for college laboratory workable on 220 Volts. A.C. Vertical bandwidth 10 HZ to 2 MHz. Cathode Ray tube dimensions 8 cm. Sensitivity vertical 30 mV/Cm. Time base frequency 16 Hz to 50 KHz with Lock and Fine arrangement All controls for Focus, Intensity. X and Y shift are on rear panel. Built in arrangement for 50 Hz output for SIGNAL TRACER The instrument is used to locate faults in radio receiver. Workable on 220 Volt Hz. Probe 100 KHz to 30 MHz is provided to detect R.F. and I.F. Signal. The audible capability OSCILLOSCOPE Fully Solid state workable on 220 volts 50 Hz. All supplies are stabilized for accurate and stable operation. Single beam with a band width DC to 10 MHz. The accurate triggering of time base enable clear and stable display on screen 8x8 cm. Vertical deflection can be selected for either A.C. or D.C. provision or attenuation in the input circuit, calibrated from 5 mV to 50V/cm. 16 17 25 CLAMP ON METER Instrument is to measure alternating voltage and current without connecting the same, measurement is by induction effect in coil Measuring Range : 0 - 500 V A.C. 0 - 500 Amps. A.C. P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . Phone : 91-171-2600082, 2641462 (O),4006082 , +91-94160-20462 (M) Telefax : 91-171-2641462 2 ELECTRONICS 26 31 SOUND LEVEL METER The instrument is to measure sound pressure in public palaces, workshop, machinery mills, vehicles. The sound is picked up and amplified attenuated and fed moving coil meter 32 27 STROBOSCOPE HANDY DIGITAL IC/MEMORY TESTER Digital IC Tester for testing TTL / CMOS / DRAM/ Most of the Digital circuits use 74 series TTL, 40/45 series CMOS & 41/44 series DRAM. It is essential to test the ICs before it is put into t h e c i r c u i t . T h i s Te s t e r i s a l s o u s e f u l f o r s e r v i c i n g / m a i n t e n a n c e . The IC Tester is having 24 Pin ZIF socket for testing the ICs. It has its own display of 16x1 LCD and own menu for guiding the user. It has the function of selecting the IC number, Auto Search for unknown ICs, and test the ICs. Its average search time is less than 0.8 se 33 DRAM Series & ZIF Average search time sec. Dimension Weight 29 34 24 Pin socket Less than 0.8 30 35 DIGITAL MILLI VOLT/MILLI-AMP SOURCE AND METERS (Thermo-Couple Calibrators) Provide continuously variable voltage and current outputs. The range of current output variable from 0-200 mA and the range of voltage output of 0200 millivolts DC. Selection of current and voltage output available by means of a front panel control. Choice of measurement of output source voltage. Output source current of unknown external voltage possible by front panel control on 3.5 digit display. Source impedance of 2 ohms for voltage source. Input impedance of DVM more than 10 M PHOTO ELECTRIC COLORIMETER The instrument is unique for analytical laboratory. Operate on 220 Volts 50 Hz. Light source is from highly established Power Supply with Sensitive Photo Voltic Cell and slow motion shutting diaphragm. Transmittance 0-100 and optical Density 0-2. Test Tube dia 12 mm, Eight coloured filters. DIGITAL MULTIMETER Hand held 9 volts battery operated. Measurement range from 0.1 millivolts to 1000 volts for DCV in 5 ranges, 0.1 millivolts to 750V AC in 5 ranges, 0.01 ohms to 20 Meg ohms in 6 ranges. Diode testing facility. Audio buzzer for continuity 3.5 digit for DIGITAL CONDUCTIVITY METER The instrument is designed to read Conductance of Solution and has wide range of measurement .02 Micro MHo to 1 MHo and in 3.5 Digits read out Accuracy +0.5% or 1 Digit Display L.E.D. or L.C.D. 7400 to 741245 4000 to 40257 & 4501 to 4585 4164 to 414000 4464 to 441000 16x11x45 cm 0.34 kg. DIGITAL CAPACITANCE METER Useful for manufacturers and users of all kinds of condensers, co-axil and multicore cables transformers, motors and other components where measurement of capacitance is necessary. Display the value of capacitance directly on 4 digit display. Capacitance measurement range from 1 pF to 10,000 microfarads in 7 full scale range. Accuracy of measurement + 0.5% + 2 least counts. Display reading directly without any need of balancing. Over range indication and test leads compensation facilities available. FEATURES : Can test 74 Series TTL. Can test CD 40/45 Series CMOS. Can test 41/44 Series DRAM. 24 Pin ZIF socket for testing Ics. SPECIFICATIONS : TTL Series CMOS Series DIGITAL FREQUENCY METER Display frequency on 6 digit display, Range of measurement from 1 Hz to 50 MHz. Sensitivity of signal 20 mV r.m.s. from 10 Hz to 1 MHz, increasing to 50 mV r.m.s. as 1 MHz and 50 MHz. Input protection to 550 V (DC + peak AC). Resolution of 0.1 Hz to 10 Hz and 100 Hz for gatings period of 1 seconds, Accuracy better than ±001% 1 least count. Uses Oven Instrument is to see the stroboscopic effect and determine the speed of moving articals without connecting it with revolving wheel shaft. Measuring range : 100 RPM to 10,000 RPM. with 28 A.C. MILLI VOLTMETER TYPE Measuring Range 1 MV to 20 V AC Selectable in range 199.9, 1999 mV, 19.99VDisplay 3.5 digit. Mains operated 220V 50 36 PHOTO ELECTRIC COLORIMETER Do with digital meter. 37 DIGITAL MAINS FREQUENCY METER The instrument for precise sensing of Mains Frequency, has three Digit Display, Crystal Control reference, Panel mounting type cabinet. Power supply and all necesasary 38 DIGITAL LUX METER L.C.D. display workable on 9 Volts Battery 3.5 Digit, precisely calibrated in terms of LUX Power, three ranges 0-200, 2000, 20,000 LUX. P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . E-mail : [email protected] Website : www.psawcatalogue.com, www.popularscientific.com 3 ELECTRONICS 39 DIGITAL PH/MV METER 48 Useful for precise and stable pH/mV measurement and ionic activity with specific electrodes, useful for Chemical, Pharmaceutical, Pesticide, Medical, Soil, Agriculture, Water and Laboratories, pH measurement 0 to 14pH corresponding mV measurement 0 to ±199.9 mV. Resolution ±0.01 pH, Accuracy ±1% Temperature Compensation of solution also 40 DIGITAL FLUX METER (GAUSS METER) 1. 100 V Power Supply with Voltmeter and Microamparemeter. 2. Lamp Hose for illumination of light 49 1. Photo Voltic Cell mounted 2. Lamp House for illumination of light. 3. Optical Bench Double Rod 4. Connection leads 5. Power Supply with meters. DIGITAL L.C.R. METER Capacity measurement 0-10,000 micro farad, Resistance upto 20M ohms and inductance upto 2,000 Henries, D & Q value is also direct readable. 4 Digit L.E.D. display. APP. TO DETERMINE INVERSE SQUARE LAW IN PHOTO VOLTIC CELL Activity :- To draw characteristics between distance and intensity of light. The apparatus consists of : Workable on 220 Volt 50 Hz. Measuring range upto 2K/20K gausses. Direct reading calibrated in terms of gausses, 3.5 digits display. Complete with Hall probe. Accuracy ±0.5% 41 PHOTO CELL CHARACTERS Object :- To draw V & I characteristics of Photo (gas Filled) Contents :- 50 APP. TO DRAW SPECTRAL, AZIMUTHAL ANGLE & STOPPING POTENTIAL OF GIVEN PHOTO VOLTIC CELL The apparatus consists of :42 DIGIAL L.C.R. METER HAND HELD 1. Photo voltic cell mounted 2. Micrometer slit with mounting 3. Light source with coloured glass fiters 4. Optical Bench Double Rod 5. Low voltage D.C. source for stopping potential Hand held L.C.D. display instrument with wide range of measurement. Inductor 1 mH to 100H, capacity 1 pF to 100 mF Resistance .1 ohms to 20 meg ohms. 43 DIGITAL POTENTIOMETER A digital instrument with precise potentiometeric measurement of ionic solution. Measuring range 0-200 milli 43 44 51 DIGITAL R.P.M. METER Non contact type with digital readout workable on 9V Battery L.C.D. display. Complete with senser and working manual. 52 45 G.M. COUNTER DIGITAL Instrument consists of power supply for G.M. Tube with digital read out meter. 6 Digit counting system with its power supply. Controls for reset, start and stop through on panel. One 46 53 LED CHARACTERISTICS APPARATUS To study V-I Characteristics of a LED.Instrument consists of DC Regulated Power Supply 0-3 VDC/25mA, two round meters for voltage & current measurement, LED mounted on the panel, connections of Supplies & LED brought on PHOTO CELL MOUNTED ON BASE 54 PLANK'S CONSTANT APPARATUS CHARACTERISTICS OF OPTO ELECTRONIC DEVICES To study VI Characteristics of Photo Transistor, Photo Diode & LED. Instrument consists of DC Regulated Power Supply 03 VDC/150mA, two round meters for voltage & current measurement, Photo Transistor, Photo Diode & LED mounted on the panel, connections of Supplies, Meters & Components brought on terminals with light source. Activity : To determine stopping potential h in Photo Cell (Vacum Type) The apparatus consists of : 1. A vacuum type photo cell mounted in housing, along with three coloured glass filters. 2. Lamp house for monocrometic light 3. Optical Bench Double Rod 4. Low voltage D.C. source with moving coil meters PHOTOELECTRIC RELAY APPARATUS To study the operation LDR by relay. Instrument comprises one Relay, LDR mounted on front panel, Lamp holder with 10W Bulb mounted with power supply. The effect of relay is demonstrated by bulbs. Dimension 8"x6"x5". Valve version Photo Cell (VACUM TYPE) fitted in housing. Useful for PLANK'S CONSTANTAPPARATUS. 47 LDR CHARACTERISTICS APPARATUS To plot a graph, Current versus Intensity of Light at different value of voltages. Instrument comprises of DC Regulated Power Supply 0-3 VDC/100mA, two round meters for voltage & current measurement, LDR mounted on the panel, connections of Supplies & LDR brought on terminals with light 55 PHOTODIODE CHARACTERISTICS APPARATUS To plot a current versus Intensity of light at different value of voltages. Instrument consists of DC Regulated Power Supply 0-10 VDC/50mA, two round meters for voltage & current measurement, Photo diode mounted on the panel, connections of supplies & photodiode brought out at t e r m i n a l s w i t h l i g h t s o u r c P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . 3724, Opp. Kali Bari Mandir, Ambala Cantt 133001 Haryana (India) 4 ELECTRONICS 56 PHOTO TRANSISTOR CHARACTERISTICS APPARATUS 2. Power supply, for cathode voltage to CRT. Provided with high resistance voltmeter, Also having solenoid supply with coarse and fine control arrangement, an ampare meter is used to measure current passing in solenoid. 3. Cathode Ray Tube mounted to moveable inner side of To plot a graph, current versus Intensity of light at different value of voltages. Instrument comprises of DC Power Supply 0-10VDC/50mA, two meters for voltage & current measurement, Photo Transistor mounted on the panel, connections of supplies & photo transistor brought on 64 57 MERCURY VAPOUR LAMP (HG) FOR USE WITH ABOVE PHOTO VOLTAIC CELL A Mercury (Hg) Vapour Lamp 80 Watt with choke is fitted inside wooden box and wooden box is provided with slit, useful for above apparatus 58 SOLAR CELL MOUNTED Solar cell mounted. 59 SOLAR CELL CHARACTERISTICS APPARATUS Activity : To draw V & I characteristics of a solar cell. The apparatus consists of : 1. Moving coil meters fitted on panel with power supply 2. Lamp house with power supply 3. Solar cell mounted 4. Optical Bench Double Rod 65 60 PLANK'S CONSTANT APPARATUS USING SOLAR CELLACTIVITY : TO DETERMINE THE STOPPING POTENTIAL BY USING SOLAR CELL. The apparatus consists of : 1. Low voltage D.C. power supply with voltmeter and micro ampere meter 2. Lamp house for illumination of light 3. Solar cell mounted 4. Optical Bench Double Rod 5. Connection leads 61 62 63 66 E/M BY HELICAL METHOD (SOLENOID METHOD) 1. Standard Solenoid of multi-turned layers fitted on wooden E/M BY SHORT SOLENOID METHOD (MEGNETRON METHOD) To study charge of an electron by short solenoid method. Kit consists of Low voltage DC Power Supply with filament voltage, variable High voltage and Solenoid current source. Two meters are provided for Anode Voltage and solenoid current. One E/M BY THOMSON (BAR MAGNET METHOD) Having three major parts to measure electron for e/m by Helical Method, i.e. POWER SUPPLY FOR MILLIKAN'S OIL DROP APP. Specially designed for use with Millikan's Oil Drop Apparatus. It give IC regulated D.C. output 0.300 volt continuously variable to be applied to condenser plates and a 6 volt at 3A A.C. supply for the lamp house. PHOTO MULTIPLIER TUBE 931 WITH HOUSING Activity : To measure e/m of Electron by Thomson Method Bar Magnet method. One method of demonstration modern physics in the controlled bending of stream of high speed electrons in a magnetic field. The actual measurement by students of the ratio of the charge on the electron to its equally minute mass imparts a stimulating sense of achievement. e/m apparatus has been perfected to the point where it is possible for this fundamentally important measurement to be carried out with good accuracy. Power Supply : E.H.T. 800V D.C. for cathode Voltage to C.R. tube. 0-100 volts D.C. with moving coil meters to measure the Deflecting voltage either y1 or y2 Plates. Cathode Ray tube fitted on wooden frame with scale divided MILLIKAN'S OIL DROP APPARATUS The noted oil drop experment by which Prof. Robert A. Millikan measured the charge on the electron can be repeated by the student with this equipment. The latest improved design is based upon the experience and recommendation of teachers. Principal elements of the assembly are specially designed condenser, a light source and a measuring microscope. The All are mounted on a common support. Consisting of a heavy cast iron base which is mounted on a steel pillar that carries the microscope and the lamp house. The microscope can be adjustedsmoothly by slow motion screws in the horizontal as well as in the 67 E/M BY MAGNETIC FOCUSING METHOD To study charge of an electron by using Magnetic Focusing method. Kit comprises of High voltage Power Supply with intensity, focus X, Y deflection & Solenoid current controls. Two meters provided for acceleration voltage & for solenoid current controls. One 3" CRT mounted on Teak Wood Stand 68 MICROPROCESSOR TRAINING KIT Kit is based on 8085 Microprocessor and is designed to provide ease in interaction with 8 bit Microprocessor c a p a b i l i t i e s . This Kit can be used to train engineers about the Microprocessor Technology, to control any Industrial process and to develop Software for 8085 system. This Kit has a powerful monitor in 4/8 bytes EPROM. The monitor can be extended to incorporate an Assembler and Dissembler for 8085. The Input/Output structure includes programmable 241/O lines. It has got 16 bit programmable Timber/Counter using 8253 for generation of any type of counting. Different types of INTERFACING MODULES from us can be hooked with this kit to perform simple experiments & projects in the lab. These P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . Phone : 91-171-2600082, 2641462 (O),4006082 , +91-94160-20462 (M) Telefax : 91-171-2641462 5 ELECTRONICS 69 DIODE VALVE CHARACTERISTICS APPARATUS (POWER SUPPLY 78 VI Characteristics of Diode Valve. Instrument consists of DC Regulated Power Supply 0-300VDC/30ma, 6.3V AC/1Amp, two meter for voltage & current measurement, valve diagram Printed, connections of Supplies & Valve brought on 70 71 SAME SET ABOVE, FOR WORK FUNCTION OF DIODE WITH CIRCUIT DIAGRAM AND THREE METERS. 72 79 80 81 82 83 Calculation of 'H' Parameters, such as current gain, input impedance, output impedance. Instrument consist of Two DC Regulated Power Supplies 0-10VDC, 500mA/50mA 0-1V DC at 30mA, Four meter, One PNP Transistor mounted, connections of Supplies, Meters & Transistor are on terminals PN JUNCTION/ZENER DIODE CHARACTERISTICS APPARATUS (FORWARD & REVERSE V-I CHARACTERISTICS) PSAW -B3A To study Forward & Reverse Characteristic of PN Junction Diode & Zener Diode. Instrument comprises of two DC Power Supplies, two meters double range to measure voltages & current, PN Junction Diode & Zener Diode mounted & 75 V R TUBE CHARACTERISTICS 76 'H' PARAMETERS OF PNP TRANSISTOR IN COMMON EMITTER MODE ZENER DIODE CHARACTERISTICS APPARATUS (FORWARD & REVERSE V-I CHARACTERISTICS) To study Forward & Reverse V-I Characteristics of Zener Diode. Instrument comprises of DC Regulated Power Supply 0-25 VDC 15mA, two meters for voltage & current measurement, Zener Diodes mounted on panel, connections 74 THYRATRON VALVE CHARACTERISTICS APPARATUS To draw VI Characteristics of Thyratron valve at various Grid Voltage Instrument comprises of Two DC Regulated Power Supplies 10V 300 uA and 0-25 VDC /250mA, valve diagram is Printed on Front panel, connections of Supplies & Valve brought on terminals. VOLTAGE STABILIZATION CHARACTERISTICS OF ZENER DIODE To study Input Voltage, Output Voltage Char. & Output Voltage, Load Characteristics. Instrument consists of DC Power Supply, two round meters to measure input voltage & output voltage, one Zener Diode mounted on panel & connections brought out at terminals. Dimension 10"x8"x4". 73 IONIZATION POTENTIAL OF MERCURY To draw V-I Characteristcs of Thyratron valve and to drive Ionization Potential of DC Power Supply 0-3 VDC/50mA & AC 6.3V 0 to 25V 500mA, two meters for voltage & current measurement, valve diagram is Printed on Front panel, connections of Supplies & Valve brought terminals. SEMICONDUCTOR DIODE/PN JUNCTION DIODE CHAR. APPARATUS To study Forward & Reverse Characteristics of PN Junction Diode.Instrument comprises of Two DC Power Supplies 050V 2mA, 0 to 1V 200 mA two meters for voltage & current measurement, PN Junction Diodes mounted connections of Supplies, Meters & Diodes brought on terminals. TETRODE/PENTODE VALVE CHARACTERISTICS APPARATUS WITH STABELISED POWER SUPPLY Plate & Screen Characteristics of Tetrode & Pentode Valve. Two Power supply variable 0-300V 50 mA & 25 VDC/25 mA, AC 6.3 VAC/1Amp, five round meters for voltage & current measurement, connections of Supplies & Valve brought on terminals. Valve 6SJ7 FET CHARACTERISTICS APPARATUS To plot static & Transfer Characteristics. Instrument consist of Two DC Regulated Power Supplies 0-10V DC/ 10mA &0-5 VDC, three meters for voltage & current measurement, FET BFW10 mounted on the panel, connections of Supplies, Meters & FET brought on terminals. TRIODE VALVE CHARACTERISTICS APPARATUS WITH STABILIZED POWER SUPPLY VI Characteristics of Triode Valve various Grid voltages. Instrument comprises of DC Regulated Power Supply (PSAW -3) 0-300VDC/30mA & 0-25 VDAAC 6.3 VAC /1Amp. three round meters for voltage & current measurement. Valve ECC82 SCR CHARACTERISTICS APPARATUS To plot Anode current Vs Anode Cathode Voltage Characteristics. Instrument consist of Two DC Regulated Power Supplies 0-3VDC/50mA & 0-150V DC, three meters for voltage & current measurement, SCR mounted on panel, connections of supplies. Meters & SCR brought on terminals. 84 ENERGY BAND GAP OF PN JUNCTION DIODE To plot reverse saturation current Vs Temperature in reverse biased PN junction Diode. Instrument consists of DC Regulated Power Supply 0-IV DC/500 mA, two round meters for voltage & current measurement, one PN Junction Diode is in Oven, 100ºC thermometer provided with temperature 77 TRANSISTOR CHARACTERISTICS APPARATUS Input & Output Characteristics of Common Base PNP & NPN Transistors Input & Output Characteristics of Common Emitter PNP & NPN Transistors. Instrument consist of Two DC Regulated Power Supplies 010VDC/500 mA/ 50 mA & 0-1 VDC/30 mA, four round meters for voltage & current measurement, one PNP & one NPN Transistor mounted behind the panel, connections of Supplies & Transistors brought out on terminals. 85 THERMISTOR CHARACTERISTICS APPARATUS To plot -ve Resistance co-efficient Characteristics of a Thermistor. Instrument comprises of DC Regulated Power Supply 0-IV-DC/1 mA, two meters for voltage & current measurement, one Thermistor and a Oven. Connections of Supplies, Meters & Thermistor brought on terminals provided P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . E-mail : [email protected] Website : www.psawcatalogue.com, www.popularscientific.com 6 ELECTRONICS 86 UJT CHARACTERISTICS APPARATUS 93 CHARACTERISTICS & APPLICATIONS THYRISTORS To plot V-I Characteristics & to measure interbase resistance. Instrument comprises of Two DC Regulated Power Supplies 0-10V, DC/30 mA & 0-IV, three round meters for voltage & current measurement, one UJT 2N2646 mounted on panel, connections of Supplies, Meters & UJT brought on terminals. 87 RESISTIVITY OF SEMICONDUCTORS BY FOUR PROBE METHOD AT DIFFERENT TEMPERATURES AND DETERMINATION OF BAND-GAP The experiment consists of the following : (i) Four Probe Arrangement (ii) Oven (upto 200ºC) (iii) Sample : Ge Crystal mounted (iv) Thermometer (0-200ºC) (v)Four Probe Setup (a) Constant Current power supply digital Accuracy : +0.25% of the reading +1 digit Load Regulation : 0.03% for no load to full load (b)Electronic Millivoltmeter 200 mV Accuracy : + 0.1% of To study Characteristics & Applications of Diac, Triac, UJT & SCR. Instrument comprises of Three DC Regulated Power Supplies 0-15 VDC/150mA, 0-50 VDC/100 mA & 0-2.5V DC/200 mA, four dual range meters for voltage & current measurement, UJT, SCR, Diac, Triac & their supportive components mounted on panel, connections of Supplies, 94 DIAC CHARACTERISTICS APPARATUS To study VI Characteristics of Diac. Instruement comprises of DC Regulated Power Supply 0-50 VDC/100mA, two round meters for voltage & current measurement, one Diac mounted on panel, connections of Supplies & diac brought at 95 TRIAC CHARACTERISTICS APPARATUS To study the MT Characteristics with Gate Signal. Instrument comprises of Two DC Regulated Power Supplies 025VDC/100mA & 0-5 VDC/200 mA, three round meters for voltage & current measurement, Triac mounted on panel, connections of Supplies & Triac brought on terminals. 96 WAVE LENGTH OF LIGHT OF LASER 88 SUSCEPTIBILITY OR FE CL3 SOLUTION To study different pattern of laser light and determine its wave length. Complete apparatus with Laser Source 5 Milli Watts with Power Supply opreatable 220V 50Hz, Optical Bench and Riders, Set of 13 experiment Kit, Laser fitted with beam expander. Single Slit, Coarse Grating, Multiple Slip, Single Taper Slit, Holes A, B, C, D, Gray Filter, Multiple slit, Circular To study susceptibility of Ferous Solution in strong magnetic field, complete apparatus consisting of electromagnet of 7.5 K.G. strength with its Power Supply 0-100V variable 4 Amps. Digital Gauss Meter 0-20 Kg with Hall Probe., Graduated 89 HALL EFFECT EXPERIMENT The set up consists of Electromagnet of 7-5 K.G., Power Supply for Electromagnet 0-100V, 4 Amps with meter, Germanium Crystal mounted and its constant current power supply 0-20mA fitted with two Digital Meters for Halls Voltage 90 VERIFICATION OF VARIOUS LAWS & CONVERTION OF SIGNAL 97 Instrument consists of Sine Wave generator, Step Down Transformer, Circuit Diagram for Peak & average Value measurement Printed and connections brought on terminals. ULTRASONIC DIFFRACTION GRATING EXPERIMENT To d e t e r m i n e v e l o c i t y o f u l t r a s o n i c w a v e ) Complete apparatus with R.F. Oscillator 3-8 Mhz, Crystal with tank, Specto meter of 9" bed, Sodium Lamp with Wooden Box and Transformer. 98 To calculate dielectric constant of liquids and solids. The instrument consists of high frequency oscillator of tuneable with outer gang condenser optimum tunning is indicated on meter. The change after placing dielectric between parallel 99 OHM'S LAW APPARATUS To verify Ohm's law i.e. V = IR Instrument consists of Two moving coil meters to measure voltage & current, One wire wound Potentiometer, Circuit diagram Printed Connections brought on terminals for connecting 6 Volts battery & One wire wound Resistance and MOSFET CHARACTERISTICS APPARATUS To plot VDS VSID for different values of VGS. Instrument comprises of Two DC Power Supplies 0-10V, DC 10mA & 05V DC, three meters for voltage & current measurement, one Mosfet no. TRF 840 mounted on panel, connections of RESISTANCES IN SERIES & PARALLEL APPARATUS To verify properties of Resistances when connected in series & parallel. Instrument comprises of Two moving coil meters to measure voltage & current, circuit diagram for series & parallel connections Printed, Resistance mounted along 91 DIELECTRIC CONSTANT APPARATUS 92 MEASUREMENT OF PEAK, AVERAGE & RMS VALUE OF A AC SIGNAL 100 CHARGING & DISCHARGING OF CONDENSOR To study RC time constant using various sets of Resistance & Capacitors. Instrument comprises of DC Power Supply with selector switch to select different voltages, One Microammeter, Circuit diagram is Printed, Terminals are provided for connecting different values of Reistance & P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . 3724, Opp. Kali Bari Mandir, Ambala Cantt 133001 Haryana (India) 7 ELECTRONICS 101 FLASHING & QUENCHING OF NEON APPARATUS To Calculate Charge & Discharge time of a Condensor. Instrument consists of High voltage DC Power Supply 100VDC/30 mA, 3 Capacitors (Paper Type) connected can be selected using toggle switches & One Neon lamp. VERIFICATION OF NETWORK THEOREMS 109 VERIFICATION OF NETWORK THEOREMS To verify Superposition, Norton's Thevinin's & Maximum Power Transfer Theorems. Instrument comprises of 3 Fixed output DC Power Supplies of 12V & 5V at 100 mA current, 4 moving coil meters, Circuit diagram for all the 4 Theorems Printed on the front panel & connections of Supplies, Meters, Resistances & Potentiometers brought on Terminals. 102 BH CURVE APPARATUS (WITH DIFFERENT METERIAL To trace Hystersis curves. Instrument comprises of AC Power Supply 3-15 VAC, Output selectable using band switch, Circuit daigram for BH Curve Printed, Components connected panel, provision for connecting external Inductance, Input & Output Connections brought on terminal. 110 VERIFICATION OF SUPERPOSITION THEOREM Instrument consists of Two Fixed output DC Regulated Power Supplies of 12V & 5V at 500 mA current, Three moving coil meters, Circuit diagram Printed on the front panel & 103 CONVERTION OF GALVANOMETER INTO A VOLTMETER AND CURRENT METER Instrument comprises of DC Regulated Power Supply 0-10 VDC/500 mA, two round meters (One Voltmeter & One Galvanometer), Three set of Resistances mounted on panel, connections of Supplies, Meters & Resistances brought on 104 LCR RESONANCE APPARATUS (SERIES & PARALLEL) 111 VERIFICATION OF NORTON'S THEOREM Instrument consists of One Fixed output DC Power Supply of 12V at 250 mA current, Two moving coil meters, Circuit diagram Printed on the front panel & connections of Supplies, 112 VERIFICATION OF THEVININ'S THEOREM To plot Frequency Vs Current Characteristics of LCR circuit, connection in series parallel. Instrument comprises of 1 Resistance, 1 Capacitors, & 1 Insductance connected & connections brought out at Terminals. 2 AC moving coil meters to measure voltage & current with Audio Frequency Instrument comprises of One Fixed output DC Power Supply of 12V at 250 mA current, Two moving coil meters, Circuit diagram Printed on the front panel & connections of Supplies, 113 VERIFICATION OF NORTON'S & THEVININ'S THEOREMS 105 LCR IMPEDANCE CIRCUIT To calculate AC power factor of LCR circuit when connected in series on AC voltage. Instrument comprises of AC Power Supply100 V, selectable using bandswitch, 2 AC moving coil meter to measure voltage & current, 1 Resistances, 1 Capacitors & 1 Inductance connected & connections brought 114 VERIFICATION OF RECIPROCITY THEOREM Instrument comprises of One Fixed output DC Power Supply of 12V at 300 mA current, Two moving coil meters, Circuit diagram Printed on the fornt panel & connections of Supplies, 115 VERIFICATION OF MAXIMUM POWER TRANSFER THEOREM IN DC CIRCUITS 106 RC CIRCUIT (TRANSIENT RESPONSE) Instrument comprises of One Fixed output DC Power Supply of 12V at 300 mA current, Two moving coil meters, Circuit diagram Printed on the front panel & connections of Supplies, Meters, Potentiometer & Resistances brought at terminals. To study RC circuit as Low Pass & High Pass Filters. Circuit diagram for low Pass, High Pass Filter Printed, Three Resistances, Three capacitors are provided and connections brought out on terminals. 107 CLIPPING & CLAMPING CIRCUIT APPARATUS DEMONSTRATION MODELS 116 DEMONSTRATION MODEL FOR EXPERIMENTS OF MW RADIO CIRCUITS To study effect of Positive & Negative Clipping & Clamping on Sine Wave. Two fix Output DC Power Supplies connected in series of Diodes for Positive & Negative Clipping, Circuit diagram for Clipping & Clamping Printed, Components placed inside & connections brought at terminal. Dimension To study working & various faults of MW Transistor Receiver and Signal/noise and output. The until complied on Phenolic sheet with top side nicely screen printed & circuit diagram drawn. Components are soldered along the circuit important connection are brought out on terminals. Instrument consists of Power Supply, AGC section, IF section, Oscillator section, Antenna section & output section. Also provided with 6 VDC 108 HALF WAVE/FULL WAVE & BRIDGE RECTIFIER APPARATUS To study Efficiency & Ripple factor in case of Half wave, Full wave & Bridge rectifier on load & study filters. Instrument comprises of AC Power Supply, 2 meters to measure Output Voltage & current, Junction Diodes, Filter Circuit kit, load Resistances selectable using toggle switches & all important connections on terminals. Dimension 117 DEMONSTRATION MODEL OF TRANSISTOR CASSETTE PLAYER/RECORDER TRAINER KIT (TWO IN ONE) To study working & various faults of MW Transistor receiver, To study working & various faults of Cassette Player and To Study working & various faults of Tape Recorder. The whole unit is made up on Phenolic sheet with top side nicely screen printed & reverse side is Printed circuit layout (PCB). Components are mounted on PCB tags for easy replacement/Fault creation. Acrylic Cover is provided at the top to protect the instrument. D1 Demonstration Televison (Black & white) D2Demonstration Coloured Television P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . Phone : 91-171-2600082, 2641462 (O),4006082 , +91-94160-20462 (M) Telefax : 91-171-2641462 8 ELECTRONICS 118 119 LINEAR I.C. TRAINER STUDY OF TRANSISTOR AMPLIFIER CIRCUITS To study Frequency Response, Input Impedance, Output Impedance & -ve Feed Back of Common Base, Common Emitter & Common Collector Transistor Amplifiers. Instrument components mounted on the front panel & important points brought on terminals OPT Audio Frequency 126 STUDY OPERATIONAL AMPLIFIER AS ADDER, SUBTRACTOR, INTEGRATOR AND DIFFERENTIATOR Instrument comprises of 2 DC Regulated Power Supplies of 0-5 VDC, Power Supply ±15VDC, 2 Dual range, round meters to measure input and output voltages & Combination of Resistances, Capacitors mounted on Front Panel. OPT. Audio Frequency Function Generator PSAW -93, CRO PSAW -96. STUDY THE EFFECT OF NEGATIVE FEED BACK OF TRANSISTOR AMPLIFIER (i) Voltage gain (ii) Input Resistance (iii) Output Impedance 120 FET COMMON SOURCE AMPLIFIER Study of Voltage Gain and Frequency Response of a Common Source Amplifier. Instrument comprises of DC Regulated Power Supply, Circuit diagram is printed, Components mounted on the front panel & connections of important points brought on terminals. OPT Audio Frequency 127 STUDY OF OPERATIONAL AMPLIFIER AS DIFFERENTIATOR & INTEGRATOR 128 STUDY OF OPERATIONAL AMPLIFIER AS SCHMITT TRIGGER 129 STUDY OF OPERATIONAL AMPLIFIER AS SINE TO SQUARE WAVE CONVERTER STUDY OF OPERATIONAL AMPLIFIER AS SQUARE TO TRIANGULAR & TRINAGULAR TO SQUARE WAVE CONVERTOR. 130 STUDY OF OPERATIONAL AMPLIFIER AS CLIPPING AND CLAMPING CIRCUIT 121 BIASING OF TRANSISTOR (BJT) To Study of different Biasing Circuit for Transistor such as Fixed Bias Method, Collector to Base Bias, Emitter Resistor Bias and Voltage Divider Bias Methods. Instrument consists of One DC Regulated Power Supply, One NPN Transistor, 2 meters to measure the voltage and current, Different types of Resistances connected inside & connections brought on terminal. Dimension 8"x6"x4". 122 R.C. COUPLED AMPLIFIER (TWO STAGE) Study of voltage gain & frequency response of a R.C. Coupled Transistor Amplifer Opt. Function Generator PSAW CHARACTERISTICS OPERATIONAL AMPLIFIERS 123 OPERATIONAL AMPLIFIER AS INVERTING & NON INVERTING AMPLIFIER To study Operational Amplifier as Inverting & Non Inverting Amplifier. Insturment comprises of DC Power Supplies of 500 mA & ±15V DC, circuit diagram Printed & different Resistances can be connected externally for various observations. Dimension 10"x7"x3". Digital Multimeter 3.5 124 STUDY OF OPERATIONAL AMPLIFIER To study operational Amplifier as Inverting, (a) Unity gain buffer stage (b) Non-Inverting Amplifier (c) Inverting Amplifier (d) Summing Amplifier (e) Difference Amplifier Instrument comprises of 3 DC Regulated Power Supplies of 0 to ±15V and 0 to 6V. 125 STUDY OF CHARACTERISTICS OF OPERATIONAL AMPLIFIER To study the basic characteristics of OP-Amp as Input Offset Current, Offset Voltage, Slew Rate, Band Width and Null Balancing. Instrument comprises of ±15 VDC Regulated Power Supply, 2 round meters, Different type of Resistance and Capacitors, IC 741 connected inside & connectiions brought out at 4mm Sockets. OPT. DMM, Audio Frequency Function Generator PSAW-93 131 STUDY OF OPERATIONAL AMPLIFIER AS VOLTAGE COMPARATOR Instrument consists of + 15 VDC Regulated Power Supply, 1 meter, Combination of Resistances, Zener Diode & IC 741 132 STUDY OF OPERATIONAL AMPLIFIER AS V TO I TO I TO V CONVERTOR Instrument comprises of + 15 VDC Regulated Power Supply, 2 round meters, combination of Resistances & IC 741 Connected inside & connections brought out at sockets on 133 STUDY OF OPERATIONAL AMPLIFIER AS VOLTAGE AND CURRENT FEED BACK AMPLIFIER To study the operational amplifier application as voltage and c u r r e n t f e e d b a c k a m p l i f i e r . Instrument comprises of +15VDC Regulated Power Supply, 2 round meters of Dual range, combination of Resistances & IC 741 connected inside & connections brought out at sockets on front panel. 134 STUDY OF INSTRUMENTATION AMPLIFIER Calculate the Voltage Gain of Instrumentation Amplifier and draw a curve between V & R. Instrument comprises of One +15VDC Regulated Power Supply, 2 DC Regulated short circuit and overload protected continuously variable Power Supplies, 3 no. IC 741 placed inside & connections brought out at sockets. One Potentiometer and combination of 135 STUDY OF LOGRITHEMIC AMPLIFIER To study the Log. Antilog and Ideality factor for Log Amplifier and plot a graph of V1-V0 for Antilog Amplifier. Instrument comprises of DC Regulated short circuit and overload protected continuously variable Power Supply, ±15VDC, one Potentiometer, IC 741 and Diode 4007/OA 79. STUDY OF MULTIVIBRATORS All the Multivibrators Kits are with DC Power Supply, Circuit Diagram Printed & Components mounted on front Panel. Kits require CRO as Accessories. 136 MONOSTABLE MULTIVIBRATOR USING IC 555 P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . E-mail : [email protected] Website : www.psawcatalogue.com, www.popularscientific.com 9 ELECTRONICS 137 MONOSTABLE MULTIVIBRATOR USING TRANSISTORS. 150 VERIFICATION OF LOGIC GATES & DEMORGAN'S THEOREMS USING TTL LOGIC GATES 3 input AND gate, NAND gate, NOR gate, 2 input EX_OR gate, single input NOT gates. Instrument comprises of DC Regulated Power Supply Gages, IC's placed inside the cabinet & connections brought at sockets. 4 SPDT swtiches provided for selecting logic '1' & gates, NOR gate, NAND gate & Demorgan's Theorems can 151 VERIFICATION OF TRUTH TABLES OF LOGIC GATES USING NAND GATE 138 ASTABLE MULTIVIBRATOR USING IC 555 139 ASTABLE MULTIVIBRATOR USING TRANSISTORS 140 BISTABLE MULTIVIBRATOR USING IC 555 141 BISTABLE MULTIVIBRATOR USING TRANSISTORS To verify the truth table of AND gate, OR gate, NAND gate, NOR gate & NOT gate using NAND. Instrument comprises of Power Supply 2 Red LED output indicators, circuit diagram printed for 4 'NAND', and gates & their respective IC's placed inside the 142 MONOSTABLE & FREE RUNNING MULTIVIBRATORS USING IC 555 143 MONOSTABLE & FREE RUNNING MULTI VIBRATORS USING TRANSISTORS OSCILLATORS 144 HARTLEY OSCILLATOR To study the Frequency generated by a Hartley Oscillator Instrument comprises of DC Regulated Power Supply, Circuit diagram Printed & components mounted on panel. F65 STUDY OF 4 BIT ADDER AND SUB-TRACTOR To study the 4 Bit Adder and Sub-tractor using IC 7483. Instrument comprises of DC Regulated Power Supply 5V/150mA, 4 Logic inputs selectable using SPDT switches, 4 output LED indicators, circuit diagram Printed & connections brought out at sockets on the front panel. 145 COLPITT OSCILLATOR To study the Frequency and Wave shape generated by a Colpitt Oscillator. Instrument comprises of DC Power Supply, Circuit diagram Printed & components mounted on front F65A DIGITAL TRAINER KIT TO VERIFY ADDERS & SUB-TRACTORS USING OR, EX-OR, AND & NOT GATES To verify the truth table of Digital Half Adder, Half Sub-tractor, Full Adder & Full Sub-tractor using OR, AND, EX-OR & NOT gates. Instrument comprises of Power Supply 5V for logic inputs, 4 switches for selecting logic '1' & logic '0', 2 LED output indicators, circuit diagram printed for 1 two input 'OR' gate, 2 two input 'AND' gates, 2 'NOT' gates & 2 EX-OR gates & 146 PHASE SHIFT OSCILLATOR To study the Frequency and Wave shape generated by a Phase Shift Oscillator. Instrument comprises of DC Power Supply, Circuit diagram Printed & components mounted on f r o n t p a n e l . 147 WEIN BRIDGE OSCILLATOR USING OPERATIONAL AMPLIFIER IC 741 To study the Frequency and Waveshape generated by a Wein Oscillator. Instrument comprises of DC Power Supply, Circuit diagram Printed & components mounted on front F65B DIGITAL TRAINER TO VERIFY HALF ADDER USING OR, EX-OR & AND GATES 148 LOGIC GATES EXPERIMENT To verify the truth table for TTL AND, OR, NOT, NAND, NOR. Instrument comprises of 5V Power Supply for logic '1' & logic '0'. TTL IC's for 'AND', 'OR', 'NOT' gates & Components soldered on the front panel & connections brought out at sockets. 149 VERIFICATION OF BOOLEON IDENTITIES & DEMORGAN'S THEOREMS To verify the truth table of 3 input AND gate, NAND gate, NOR gate, single input NOT gates, Booleon expressions & Demorgan's Theorems. Instrument comprises of DC Power Supply, 4 swtiches for selecting logic '1' & logic '0', 2 Red LED output indicators, circuit diagram printed for 5 'OR', 5 'AND' & 4 'NOT' gaes & F65C DIGITAL TRAINER TO VERIFY HALF SUB-TRACTOR USING OR, EX-OR & AND GATES F65D DIGITAL TRAINER TO VERIFY FULL ADDER USING OR, EX-OR & AND GATES F65E DIGITAL TRAINER TO VERIFY FULL SUB-TRACTOR USING OR, EX-OR & AND GATES F62 DIGITAL TRAINER TO VERIFY ADDERS & SUB-TRACTOR USING NAND GATES To verify the truth table of Digital Half Adder, Half Sub-tractor, Full Adder & Full Sub-tractor using NAND gates. F52A STUDY OF 4 BIT BINARY TO GRAY CODE CONVERTOR Instrument comprises of DC Regulated Power Supply 5/VDC/150mA, 4 Logic inputs selectable using SPDT switches, 4 output LED indicators, circuit diagram Printed, IC's placed inside & connections brought out at sockets on F45 STUDY OF 4 BIT RIPPLE COUNTER (FORWARD & REVERSE) To Verify Truth tables of 4 Bit Forward & Reverse Counters using 4 JK Flip Flops. Instrument consists of Power Supply, 1 Hz monoshot clock pulse, Two output indicators, Circuit diagram for 4 'JK' flip-flops Printed & connections for inputs & P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . 3724, Opp. Kali Bari Mandir, Ambala Cantt 133001 Haryana (India) 10 ELECTRONICS F48 STUDY OF 4 BIT BCD COUNTER/DECIMAL TO BINARY ENCODER USING IC 7490 F43B DIGITAL TRAINER TO STUDY 'RS' TYPE, 'JK' & 'T' TYPE FLIP-FLOP Instrument comprises of DC Regulated Power Supply 1 Hz clock pulse, four output indicators, Circuit diagram for IC 7490 Printed & connections for various inputs & outputs brought out at the sockets on the front panel. To study & verify Truth tables of 'RS', 'D' Type, 'T' Type & 'JK' f l i p f l o p s u s i n g N A N D g a t e s . Instrument comprises of DC Power Supply, 4 logic inputs, logic '1' & logic '0' selectable using switches, 1 Hz clock pulse, Two output indicators, Circuit diagram for 'RS' & 'JK' flip-flows Printed & connections for inputs & outputs brought out on the F48A STUDY OF 4 BIT BCD COUNTER/DECIMAL TO BINARY ENCODER USING NAND GATES To convert Decimal input to Binary output using NAND gates. Instrument comprises of Power Supply 10 logic inputs selectable using SPDT switches, four output indicators, Circuit diagram Printed & connections for various input & outputs brought out a sockets on the front panel. Study of 4-Bit Up Down Counter F42 To Verify Truth table of RS flops using NAND gates. Instrument consist of Power Supply 2 Logic '1' & 2 logic '0' inputs, 1Hz clock pulse, Two output indicators, Circuit diagram for 'RS' flip-flop is Printed & connections for inputs & outputs brought out at the sockets, 1 NOT gate for converting TO STUDY & VERIFY TRUTH TABLE OF 4 BIT UP & DOWN COUNTER USING IC 74193. Instrument comprises 4 SPDT switches for selecting logic '1' & logic '0', 1 Hz clock pulse, four output indicators, Circuit diagram for IC 74193 Printed & connections for various inputs & outputs brought out at the sockets, two switches for F42A STUDY & VERIFY TRUTH TABLES OF 'JK' & 'JK MASTER SLAVE' FLIP FLOP To verify truth table of 'JK' & "JK Master Slave' flip flops using IC 7472 & IC 7476. Instrument consist of Power Supply switches provided for selecting logic '1' & logic '0', 1 Hz clock pulse, Two output indicators. Circuit diagram for 'JK' & 'JK Master slave' flip-flops are Printed & connections for inputs & F49 STUDY OF LEFT, RIGHT & PROGRAMMABLE SHIFT REGISTER To study & verify truth table of Left, Right & Programmable Shift Register using IC 7495. Instrument comprises of Power Supply, 4 SPDT switches Circuit diagram for IC 7495 Printed & connections for various inputs & outputs brought out at the F56 F56A STUDY OF 2-1 MULTIPLEXER USING AND, OR & NOT GATES F57 F66 STUDY OF ENCODER & DECODER CIRCUITS (DEMIMAL TO BCD ENCODER & BCD TO 7-SEGMENT DECODER) To study Decimal to BCD Encoder & BCD to 7 segment Decoder. Instrument comprises of DC Power Supply 4 SPDT switches for slecting logic '1' & logic '0', 1 Hz clock pulse, four output indicators, Circuit diagram for IC 7490, IC 7447 & 7-segment F58 STUDY OF 16-1 (SIXTEEN INPUT & ONE OUTPUT) MULTIPLEXER USING IC 74150 STUDY OF ONE INPUT/.FOUR OUTPUT DEMULTIPLEXER USING IC 74155 To study 18 line Demultiplexer circuit IC 74155. Instrument comprises of Power Supply, 4 SPDT switches for selecting logic '1' & logic '0', four output indicator, Circuit diagram for IC 74155 Printed & connections for various inputs & outputs brought out at sockets on front panel. F59 F70 STUDY OF 4-16 (ONE INPUT/SIXTEEN OUTPUT) DEMULTIPLEXER USING IC 74154 STUDY OF RAM (RANDOM ACCESS MEMORY) CIRCUIT To study and verify the truth table of RAM circuit. Instrument comprises of DC Power Supply 5VDC, 10 logic inputs selectable Instrument comprises of DC Power Supply 5VDC, 10 logic inputs selectable using SPDT switches, 4 LED output indicators, IC 7489 placed inside & connections brought out at sockets on the front panel. F43A DIGITAL TRAINER TO STUDY & VERIFY TRUTH TABLES OF FLIP FLOPS To study & verify Truth table of 'RS', 'D' Type, 'T' Type, 'JK' & 'JK Master slave' flip flops using T T L I C ' s . Instrument comprises of Power Supply, 4 logic inputs, logic '1' & logic '0' selectable using switches, 1 Hz clock pulse, Two output indicators, Circuits diagram for 'RS', 'JK' & 'JK Master Slave' flip-flops Printed, their STUDY OF 8-1 LINE (FOUR INPUT & ONE OUTPUT) MULTIPLEXER USING IC 74153 To study 8-1 line Multiplexer circuit using. Instrument comprises of Power Supply, 6 sockets for logic '1' & logic '0' each, one output indicator, Circuit diagram for IC 74153 Printed & connections for various inputs & outputs brought BCD TO DECIMAL DECODER USING IC. 7492. Instrument consist 4 spot switches for selcting logic '1', '0'. Ten LED's for output. STUDY & VERIFY TRUTH TABLES OF 'RS' & 'D' TYPE FLIP FLOP USING NAND GATES F78 ANALOG/DIGITAL TRAINER (BREAD BOARD TYPE) The instrument comprises 6 variable resistors, Power Supplies ±5V, ±15/Variable), ±15 Volt Fix, 1 Hz to 250 KHz. Function Generator, clock pulse, logic output, logic input, two P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . Phone : 91-171-2600082, 2641462 (O),4006082 , +91-94160-20462 (M) Telefax : 91-171-2641462 11 ELECTRONICS F79 LOGIC GATE CIRCUIT TRAINER/DIGITAL COMPUTER-II [BREAD BOARD MODEL] STUDY OF TRANSMITTER & RECEIVER USING FIBER OPTICS CABLE 1.Study and verify Truth tubes of Logic Gates. 2.Verification of Boolean identities & Demorgan's theorems. 3.Study and verify truth tables of Digital Addres and Sub tractors 4.Study of Flip-Flops and verification of their truth tables. 5.Study of Counters, Shift Registers and verification of their truth tables. 6.Study of Encoders, Decorders and verification of their truth tables. 7.Study of Multiplexers, Demultiplexers and verification of their truth tables. Instrument comprises of Two DC Regulated Power Supplies of 5VDC/1Amp & ±15VDC/150mA, 10 Logic inputs with LED indicators selectable using SPDT switches, 1Hz clock pulses. Bread Board is mounted on front panel to perform various experiments, 10 number logic output To construct a Optical Transmitter and calculate its Output Power. Transmission of Signal through Fiber Optic Cable. To construct a Optical Receiver and calculate its output power. To study the Attenuation of Signal when transmitted from Transmitter to Receiver end. Instrument comprises of DC Power Supply 6VDC and 3VDC. Preamplifier stages consists of MIC (Microphone), Photodetector, Transistors (548) and biasing network Resistance and Capacitors. Power amplifier stages with impedance matching transformers (Driver Transformers, Transistors (8550) and biasing network of Resistances and Capacitors. Output section having LEDs LOGIC GATE CIRCUIT TRAINER USING TTL IC'S Verify truth tables of TTL logic gates, Booleon expressions, De-Morgan's Theorems, Adders, Sub stractors, Flip Flops, Counters, Shift Registers, Encoders, Decoders, Multiplexers & De-multiplexers using 74 series of TTL IC's. Instrument comprises of 10 Debunced logic inputs, 10 red LED output indicators, 5 VDC/1 Amp Regulated short circuit & overload protected Power Supply, 1 Hz clock pulse, all the TO VERIFY SWITCH DEBOUNCER Using I.C. 7400. The Kit consist 1 spot switch for input & two output LED's. To measure the output voltage sockets are also provided. TO MEASURE THE CLOCK PULSE I.C. 7400 The Kit is to measure the clock pulse using NAND Gate I.C have 1 switch for input & output on LED with terminal to measure the clock pulse frequency. F72 ANALOG TO DIGITAL (A/D) CONVERTER To study analog to Digital & Digital to Analog convertors using R-2R network & Successive Approximation Method. Instrument comprises of DC Regulated Power Supplies 5VDC/100mA, 0-10V DC/200mA, +15 VDC/250mA, 1 Voltmeter, 4 SPDT switch provided for selecting logic '1' & logic '0', one output indicator, Circuit diagram Printed on the front panel & connections of various inputs & output brought F73A DIGITAL TO ANALOG (D/A) CONVERTOR USING R-2R NETWORK To study Digital to Analog converter using R-2R network. Instrument comprises of DC Regulated Power Supplies 5VDC/150mA, 15VDC/150mA, 1 Voltmeter, 1 SPDT switches provided for selecting logic '1' & '0', one output indicator, Circuit diagram printed on the fron panel & connections of F73 DIGITAL TO ANALOG (D/A) CONVERTER USING WEIGHTED REGISTER NETWORK To study digital to analog convertors using weighted register network. Instrument comprises of DC Regulated Power Supplies 5VDC/150mA, + 15 VDC/150mA, 1 Voltmeter, 4 SPDT switches provided for selecting logic '1' & logic '0', one output indicator, Circuit diagram printed on the front panel & STUDY OF AMPLITUDE MODULATION & DEMODULATION Measurement of Amplitude Modulation Index (Depth of modulation), side band frequencies (upper side band & lower side band) and Frequency of demodulated signal. Instrument consists of DC Regulated Power Supply , Sine wave Oscillator 100 Hz - 1KHz Frequency Circuit diagram drawn & Components placed on the panel. Connections of Supplies & Components brought on terminal Accessories : RF Signal Generator PSAW-92 and CRO STUDY OF FREQUENCY MODULATION & DEMODULATION Measurement of Frequency Modulation Index (Depth of modulation), side band frequencies (upper side band & lower side band) and Frequency of demodulated signal. Instrument consists of DC Power Supply, Square wave Oscillator 1KHz Frequency Output, Circuit diagram dream & Components placed on panel. Opt. CRO PSAW -96 & RF STUDY OF FREQUENCY MODULATION Measurement of Frequency Modulation Index (Depth of modulation) Comprises of DC Power Supply, since wave Oscillator with 1KHz Frequency Output, Circuit diagram printed & Components placed on the panel. Connections STUDY OF PULSE AMPLITUDE MODULATION & DEMODULATION Measurement of Pulse Amplitude Modulation Index (Depth of modulation) and Frequency of demodulated signal. Comprises of DC Regulated Power Supply, AF Sine wave, carrier wave oscialltor using IC 555, Circuit diagram Printed & Components mounted behind the panel. Connections of Supplies & Components brought on terminals. Opt. CRO PSAW-96. a.Study of Pulse Amplitude Modulation b.Study of Pulse Amplitude Demodulation c. Study of Pulse Width Modulation & Demodulation Modulation of Carrier Signal in Pulse Width Mode and STUDY OF PULSE POSITION MODULATION & DEMODULATION Modulation of Carrier Signal in Pulse Position Mode and Frequency of demodulated Sginal. Instrument comprises of DC Regulated Power Supply 5 VDC/150mA, AF Sine wave Oscillator with 100 Hz. 10KHz Frequency Output, RF Oscillator using IC 555, Circuit diagram printed & Components mounted behind the panel. Connections of supplies & Components brought out at 4mm Sockets. P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . E-mail : [email protected] Website : www.psawcatalogue.com, www.popularscientific.com 12 ELECTRONICS STUDY OF PULSE POSITION & PULSE WIDTH MODULATION DECADE CAPACITANCE BOX Modulation of Carrier Signal in Pulse Position & Pulse Width Mode using External AF Signal and Frequency of Demodulated Signal. Instrument comprises of DC Regulated Power Supply 5 VDC/150mA, Carrier Wave Oscillator using IC 555, Circuit diagram printed & Components mounted behind the panel. Connections of Supplies & Components brought out at 4mm Sockets. Opt. Audio Frequency Function Generator PSAW -93 and Easy operated band switch mounted on bakelite panel, Housed in teak wook case. Single Dial .1 mfd to 1 mfd 2 Dials .01 mfed to 1.1 mfd 3 Dials .001 mfd to 1.11 mfd DECADE RESISTANCE BOX minimum contact resistance, mounted on bakalite sheet with terminals Single Dial 1K Ohms to 10K Ohm 2 Dials 10 Ohms to 1000 Ohms 3 Dials 1 Ohms to 1000 Ohms STUDY OF PHASE LOCKED LOOP (PLL) CIRCUIT USING IC 565 To study the phase locked loop circuit and calculate the lock range Frequency and capture range Frequency. Instrument comprises of Two DC Regulated Power Supplies, IC 565, combination of Resistance, Capacitors & One Potentiometer connected inside & Connections brought out at front panel. Opt. Audio Frequency Function Generator PSAW -93 and 1 ACTIVE & PASSIVE FILTER CIRCUITS (STUDY OF FREQUENCY RESPONSE) CIRCUIT DIAGRAM FOR ALL THE FILTERS IS PRINTED ON PANEL AND TE-93 COMPONENTS PLACED ALONG, CONNECTIONS OF IMPORTANT POINTS & BROUGHT OUT AT SOCKETS. REQUIRE AUDIO FREQUENCY FUNCTION CRO TE-96 GENERATOR Study of "T" type Passive Low Pass, High Pass, Band Pass & Band Stop; Filters Study of "T" type Passive Constant K High Pass Filter Study of M-Derived "T" type Passive Low Pass Filter Study of M-Derived "T" type Passive High Pass Filter Study of "p" type Passive Low Pass, High Pass, Band Pass & Band Stop Filter Study of "p" type Passsive Low Pass Filter Study of "p" type Passive Band Pass Filter Study of "p" type passive High Pass Filter Study of "p" type Passive Constant K High Pass Filter Study of Twin-T Active Notch Filter using Op-Amplifier Study of Active Filters (Low Pass, IInd order Low Pass, & High Pass Filter) using Op-Amplifier. Note : All the Passive Filter Circuit Kits has been prepared using Passive Components (e.g. using Resistances, 2 POWER SUPPLIES : MODEL Main = 220V 50HGz. H.T. Output 0 to 300 Volts 30mA. L.T. 6.3 V 3 Amps. Bias = 0 to 20V ±5mA with two meters for H.T. Volt and Current. 3 POWER SUPPLIES : MODEL Stabilized Power Supply Main 230 Volt 50 Hz. Out put H.T. 0 to 300V 50mA. L.T. - 6.3 Volt 3 Amps. Bias = 0 to 25V positive and negative, Stabilization + 1% with three meters for HT Volts. He current and bias Voltage suitable for Triode value 4 POWER SUPPLIES : MODEL Same as above, output, current 100mA. With three meters for continuous working suitable for electroforsis 5 STANDARD FILTERS POWER SUPPLIES : MODEL Dual Power Supply for Pentode Valve Experiment, both stabiles ±1% workable on 220 Volt 50 Hz. With five meters. HT1 = 0 to 300 Volts 50 mA HT 2 = 0 to 300 Volts 25 mA Bias = 0 to 25 volts 5 mA L.T. = 6.3 Volt 3 Amps. Set of Eight Filters Optical Set of Five Filters Optical Set of Three Filters Optical TRANSFORMER HIGH VOLTAGE For Gas discharge tube. 2.5, 3, 3.5, 4KV. POWER SUPPLIES : MODEL The Power supplies are built in suitably sized steel cabinet employing modern technique and circuit, workable on 220 V 50 Hz. Meters for measuring voltage and current are built in protection with fuse or automatic. Output HT = 0 to 300 Volts 30mA. LT. Variable to 1 to 6, 3 Amps with 2 meters for Volt/Current. Suitable for Diode Valve 5 DECADE INDUCTANCE BOX Very low contact resistance band switch mounted on a bakelite panel and teak wood case. Single Dial .1 H to 1 H 2 Dials .01, H to 1.1 H 3 Dials .01 H to 11.1 H 4 Dials .001 H to 11.1 H FIXED VOLTAGE I.C. REGULATED POWER SUPPLIES High quality, well filtered giving smooth fixed D.C. Voltage. Deal for running many training boards like operational amplifiers (Type-741), Integrated Circuit Timer (Type-555) (A) 5V or 6V at 500 mA (b) 5V or 6V at 1A (c) 9V or 12V at 500 mA (d) 9V or 12V at 1A P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . 3724, Opp. Kali Bari Mandir, Ambala Cantt 133001 Haryana (India) 13 ELECTRONICS FIXED VOLTAGE I.C. REGULATED DUAL POWER SUPPLIES 11 Two fixed voltages are provided in this unit. (a) ±5V or ±6V at 500 mA (b) ±5V or 6V at 1A (c) ±9V or ±12V at 500 mA (d) ±9V or 12V at 1A (e) ±15V or ±18V at 500 mA Dual Solid State Power Supply Variable from 0 to 15 Volts positive and 0-15 Volts negative at 500 mA continuously variable and + 5 Volts fixed supply at 400 mA for operational amplifiers and other I.C. experiments with two meters. Regulation ±0.1% with short circuit protection and overload 12 7 REGULATED POWER SUPPLY, MODEL Two fixed voltages are provided in this unit. (a) ±5V or ±6V at 500 mA (b) ±5V or 6V at 1A (c) ±9V or ±12V at 500 mA (d) ±9V or 12V at 1A (e) ±15V or ±18V at 500 mA (f) ±15V or 18V at 1A Application : General purpose low cost laboratory Power source ideally suited for analog 8 Output +12V : and digital IC’s Four fixed voltages, viz. +5V, -5V, Current Regulation : : and -12V 300mA max. for each ±0.05% for no load to full load DIGITAL REGULATED POWER SUPPLY Output Voltage a) 0-15V (b) 0-15V (c) 0-15V (d) 0-15V (e) 0-15V (f) 0-30V (g) 0-30V (h) 0-30V (i) 0-30V Meters 2DPM(3½ digit) 2DPM(3½ digit) 2DPM(3½ digit) 2DPM(3½ digit) 2DPM(3½ digit) 2DPM(3½ digit) 2DPM(3½ digit) 3A 5A 2DPM(3½ digit) 2DPM(3½ digit) Application : EHT source for photo multiplier tubes and other radiation detectors. Polarity : +ve or -ve as required. Output : 0 to 1500V continuously variable Max. Current : 1 mA Load Regulation : ±.5% for no load to full load Display : 3½ digit, 7 segment LED display with auto polarity Power Supply : 220V ±10%, 50 Hz Protection : Protected against overload and short circuit by POWER SUPPLY MODEL Most useful as stand by Dual Power Supply for Transistors and I.C. experiments workable on 220 Volts 50 Hz, can deliver output 0-30 Volts, at 1 Amps Positive and 0-30 Volts at 1 Amps. Negative, Stabilization ±0.1% with four meters. 10 POWER SUPPLY MODE This supply is designed to meet requirement of general laboratory Continuously variable 0 to 30 V.D.C. at current 0 to 3 Amps, continuous. Load regulation ±.01% line regulation BATTERY CHARGERS All battery chargers are compiled in steel cabinet workable on 220 V 50 Hz. protected with fuse. Meter for output current. Full wave bridge circuit is employed. Tested for continuous operation. Model PSAW -15 Model PSAW -16 Model PSAW -17 Model PSAW-18 Model PSAW-19 Model PSAW-20 Model PSAW-21 6/12V 2 Amps. 18V 2 Amps : Automatic 6/12V 3 Amps. 6/12V 4 Amps. 6/12V 5 Amps. 6/12V 6 Amps. 18V 3 Amps : Automatic BATTERY ELIMINATORS Output Current 1A 2A 3A 5A 10A 1A 2A HT-11 HIGH VOLTAGE POWER SUPPLY, MODEL 9 POWER SUPPLY MODE POWER SUPPLY MODEL Transistorised, workable on 220 Volts 50 Hz. Variable: 0-30 Volts current 1 Amps, with 2 meters for Volts and current Stabilization ±5%. Workable on 220V 50 Hz. Housed in steel cabinet. Socket or Band-Switch provided for Selection of Volts output, with ON/OFF switch and main indication. Model PSAW-23 Model PSAW-24 Model PSAW-25 Model PSAW-26 Model PSAW-27 Model PSAW-28 2 to 6 V 1 Amps. 2 to 12 V 2 Amps. 2 to 12 V 3 Amps. 2 to 12 V 4 Amps. 2 to 12V 5 Amps. 2 to 12V 6 Amps. Higher Voltage/current Battery Eliminators and Chargers can TRANSFORMERS & STABILIZERS Triode Transformers are wound with double enamelled copper wire and on cores of silicon alloy steel and vaccum MANUAL VARIABLE TRANSFORMERS Model PSAW-29 Model PSAW-30 Model PSAW-31 Model PSAW-32 Model PSAW-33 .2 VA .3 VA ,5 VA 1 KVA 1.5 KVA AUTOMATIC TRANSFORMERS Model PSAW-35 Model PSAW-36 Model PSAW-37 Model PSAW-38 P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . Phone : 91-171-2600082, 2641462 (O),4006082 , +91-94160-20462 (M) Telefax : 91-171-2641462 .5 VA 1 KVA 1.5 KVA 2.5 KVA 14 ELECTRONICS Model PSAW-40 Model PSAW-41 Model PSAW-42 Transformer for Microscope. Demonstration Transformer. Sodium lamp Transformer 35 Watt. Transformer High Voltage for Model PSAW-43 DIMMERSTATE/VARIAC/AUTO TRANSFORMER Variac These variable transformer deliver continuously variable A.C. voltage. The output is variable from 0-270 Volts from mains input of 240 volts. Contact between the winding and load is through a carbon brush which covers at least one turn of wire at all times. The areas of winding swept by the brush is plated with metal which eliminates oxidations and ensures a long working life with negligible maintenance. Specifications : Constructions : Enclosed in a metal box, has air cooling. The voltage is adjusted and indicated by a knob and dial on the t o p . Termination : Mains input via main cable. Output via insulated 4mm socket terminals as well as 3-pin 5 amp. socket. Indication : An ON/OFF and indicator is provided. Overload Protection : Slow blow fuse in output line. Output Volts : 0-240 V (line voltage connection) 0-270 V (over voltage connection) This sturdily constructed Auto Transformer, ideal for operating heating devices, A.C. Motors and others equipment reguiring adjusting input voltage. This item is supplied with different current capacities as per requirement in hand. Output voltage 0-270V remains the same in each case. Rest specifications are as above. a) Current Capacity : 2 Amp. b) Current Capacity : 4 Amp. UNIVERSAL MOISTURE METER UNIVERSAL MOISTURE METER MODEL AG-U The most versatile instrument for the measurement of Moisture content in Grains, Seeds and Pulses. Operatable on 220 V 50 Hz and Battery. The instruments is made to operate very easily and takes less than a minute to complete the test. rugged in construction, aluminum casted and the electrical unit is contained in. the bevel gear mechanism is of best steel. The whole instrument is protected in wooden box. Specification : Measuring Range Accuracy Dimension Weight cover. Power Supply 8-40% ± 0.2% 40 x 32 x 17 cm 19.5 Kg. without wooden 4 Battery Cells or 220 V 50 Hz NOTE : The instrument is approved by food corporation of TRIODE MOISTURE METER TRIODE MOISTURE METER MODEL AG-1 : is a light weight portable instrument designed to detect moisture in food grains, pulses, oil seeds, vegetable seeds, spices and other granular substances. The grains are compressed & conductivity noted. It is a self contained instrument for compressing the sample to predetermined thickness and then sensing conductivity on a analoguye meter. A thermometer is installed to take instant temperature and for easy reading of moisture percentage circular scale is given on the top of instrument. The electrical circuit is designed for very low power consumption and it works on two small battery cells or on AC mains. Specification : Measuring Range : Accuracy 8-40% ± 0.2% GRAINS MOISTURE METER GRAINS MOISTURE METER MODEL AG-5 Direct Reading Microprocessor system with automatic temperature compensation workable on battery and mains. L.E.D. display, consistent reading, fault free operation. Specification : RANGE SAMPLE DIMENSION : : : 8 TO 40% 6 GRAINS or 200 mg. 1/2 1/2 7 “ x 7 “ x 5” PORTABLE LIGHT WEIGHT, SELF CONTAINED WITH ALL ACCESSORIES We are manufacturer of this item since 1962, our moisture meters are approved by food corporation of India, central ware housing corporation state ware housing corporation and food & supply department, rice mills and agriculture department and search labs. DIGITAL MOISTURE METER DIGITAL MOISTURE METER MODEL AG-3 Micro controller based Universal type, with rugged mechanical construction, accurate moisture content is direct readable on 3 digit L.E.D. display. temperature and conductive result are automatically compensated for final moisture percentage reading. No conversion table is needed Specification : Range Accuracy Dimension Main Featurers 8-40% ± 0.2% 29.5 x 17 x 19.5 cm · Easy operation, press and take reading · Direct Reading on digital display · No Adjustment P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . E-mail : [email protected] Website : www.psawcatalogue.com, www.popularscientific.com 15 ELECTRONICS INFRARED MOISTURE BALANCE INFRARED MOISTURE BALANCE MODEL AG-4 A basic method for determination of moisture content, measure moisture percentage by weight and drying simultaneously. Infra Red radiation are reflected by a buld and its temperature is controlled by a regulator. Specification : Range Accuracy Dimension Weight Sample Weight Specification : Range Accuracy Dimention Operation Electrode Size 0-100 Saturation % ± 0.5% 22 x 10 x 10cm. Battery 9V 20 Cm. 0-100% ± 0.2% 28 x 35 cm. 20 Kgs. Approx 5 gm, 20gm, 25gmor as DIGITAL SEED COUNTER DIGITAL SEED COUNTER MODEL AG-2 With mechanical Viberator, having electronic adjustable speed for different Grains. 4 digit counter and adjustable timer. The counting is automatic with Infrared Sensors. MOISTURE METER FOR WOOD MOISTURE METER FOR WOOD MODEL PSAW -W Direct reading of moisture in Timber, Pulp, Cotton wood. the instr4ument is housed in cabinet highly finished the test procedure is written on the panel, complete with probe and battery. Specification : Measuring Range Accuracy 6.8-30% ± 0.5% MOISTURE METER FOR WOOD MODEL PSAW -WD Microprocessor based, Digital, high accuracy portable instrument, workable on battery cells, complete with probe Automatic temperature compensation. Specification : Range Accuracy 6 to 30% ± 0.3% MOISTURE METER FOR SOIL MOISTURE METER FOR SOIL MODEL AG-7 The instrument is calibrated in percentage saturation in soil and reads from 0-100. It is cell operated on analogue Meter. With 9V Battery. Specification : Range Accuracy Dimension 0-100 Saturation % ± 0.5% 22 x 10 x 10 cm. MOISTURE METER FOR SOIL MODEL AG-8 The instrument is for detecting saturation percentage of water in soil. It is workable on 9 V Battery 3.5 Digit display. Complete with 20 cm electrode and wooden box. P O P U L A R S C I E N C E A P PA R AT U S W O R K S H O P S P V T. L T D . 3724, Opp. Kali Bari Mandir, Ambala Cantt 133001 Haryana (India) 16
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