INSTRUCTION M ANUAL
Models: H240
Type K & J Four Channel Thermometer with Pt 100 ohm inputs
Table of Content
1. Product Introduction ………………………………………… 3
1-1 Features ………………….………………………… 3
1-2 Applications ……………………………………...… 3
2. Safety Information …………………………………………… 4
2-1 Cautions ………………………………..………..… 4
2-2 Safety Symbols ………………………..…..……… 4
3. Specifications……………………………………...…………. 5
4. Operation Instructions……………………………………… 6
4-1 Unit Diagram ……………………………………… 6
4-2 Measuring Procedure ……………………….…... 7
4-3 Ty pe K Measurements ……………..…………… 7
4-4
Type J Measurements
………………….………… 7
4-5
Pt 100 ohm Measurements
……..………………… 7
4-6
T1-T2 Measurements
………..…………………… 7
4-7 Data Hold …………………...…………………… 7
4-8 Data Record (MAX/MIN)……..………………… 7
4-9
Auto Data Logger
………..………………..……… 8
4-10
Manual Data Logger
…….….…………………… 8
5. Advanced Measuring Procedures ……………………… 8
5-1
Changing the Data Logger Sampling Time
……… 8
5-2
Clear the Existing Saved Data from Memory ……..
9
6.
Send Saved Data Out the RS232 Port………………………… 9
7. Offset Adjustment ………………………………………………… 9
7-1 Type K and J Adjustment …………………………….
9
7-2 Pt 100 ohm Adjustment ……………………………… 10
8. Auto Power Off Disable …………………………………… 10
9. RS232 PC Serial Interface Information …………………. 10
10. Battery Replacement ..…………………………………….. 12
11. Service Information …………………………………..……. 12
12. Warranty Information ………………………………………. 13
To see all available accessories and downloadable software, please visit www.anaheimscientific.com
1. Product Introduction
1-1 Features
Measures temperature fro m up to four probes
0.1 Resolution
Fast response ti me
High level of accuracy
Large LCD display
Two year warranty
1-2 Applications
Science Experiments
HVAC
Plant Maintenance
Manufacturing
Agriculture
Quality Control
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2. Safety Information
Read the follow ing safety information carefully before attempting to operate or serv ice the meter. Only qualified personnel should perform repairs or serv icing not cov ered in this manual.
2-1 Cautions!
DO NOT submerge the products mentioned in this manual in w ater or any other ty pes of liquids.
This product is not designed for use in medical applications. The product can only be used to measure body temperature simply for reference.
2-2 Safety Symbols
Dangerous, refer to this manual before using the meter.
Conforms to requirements of European Union and European Fare Trade
Association (EFTA).
Battery lev el is low.
Don’t dispose this product as unsorted municipal waste.
This instrument conforms to the follow ing standards:
EN61326: Electrical equipment for measurement, control and laboratory use.
IEC61000-4-2: Electrostatic discharge immunity test.
IEC61000-4-3: Radiated, radio-frequency, electromagnetic field immunity test.
IEC61000-4-8: Power frequency magnetic field immunity test.
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3. Specifications
Unit of Measurement
°C or °F
Temperature Compensation Automatic for cold junction on K & J type
Types
K, J & Pt 100ohm (inline with a 0.00385 alpha coefficient, DIN IEC751)
Thermocouple Type
Type K
Type J
Pt 100 ohm
Resolution
1°C
0.1°C
1°F
0.1°F
1°C
0.1°C
1°F
0.1°F
0.1°C
0.1°F
1°F
1°F
Range
1000 to 1370°C
Accuracy*
-199.9 to 999.9°C
1000 to 2498°F
-199.9 to 999.9°F
+( 0.5 % + 1°C )
+( 0.5 % + 1.8°F )
1000 to 1210°C
+( 0.5 % + 1°C )
-199.9 to 999.9°C
1000 to 2210°F
-199.9 to 999.9°F
+( 0.5 % + 1.8°F )
-199.9 to 850°C
+( 0.4 % + 1.2°C )
-199.9 to 999.9°F
-200 to 327°F
1000 to 999.9°F
+( 0.4 % + 2°F )
Sampling Time of Data
Logger
Data Logger Memory
Data Hold
Memory
Sampling Time
Over Range Indicator
Data Output
Operating Environment
Power Supply
Weight (approx.)
Dimensions (approx.)
Included Accessories
Manual
Pushing the data logger button once will save data one time
Auto 1sec. to 59min. and 59sec.
Max. 16,000 points
K or J with 4 channels, sample will occupy 4 data points
Pt 100 ohm with 2 channels, sample will occupy 2 data points
Display freeze
Saves MAX. or MIN values with recall
Approximately 1 second
"
- - - -
"
RS-232 Serial data output
32° to 122°F (0° to 50°C), <80% R.H.
6 Pieces of DC 1.5V Batteries (UM4, AAA or equivalent)
0.68lbs. (310g)
6.9 x 2.7 x 1.7" (174 x 68 x 42mm)
Instruction manual, battery, carrying case
* = Note: Accuracy applicable in environments with RFI <3V/M with Hz <30MHz, and temperatures between 20°C to 26°C and onlyapplies to the meter itself, not the probe.
Specifications and information are subject to change without notice
Please visit www.anaheimscientific.com for the most current product information.
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4. Operating Instructions
4-1 Unit Diagram
4-1 Display
4-2 Power Button
4-3 Hold Button
4-4 REC (MAX/MIN) Button
4-5 Function (L & ▲) Button
4-6 C°/F° (send/clear) Button
4-7 T1-T2 (R & ▼) Button
4-8 Logger (sample time/offset) button
4-9 Thermocouple Input Socket
Fig. 1
4-10 Pt1 Input Socket (Pt 100ohm)
4-11 Pt2 Input Socket (Pt 100ohm)
4-12 RS232 Socket
4-13 DC 9V Adapte r Socket (cen ter +)
4-14 Tripod Screw Mount
4-15 Battery Cover Screw
4-16 Battery Compartment
4-17 Stand
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4-2 Measuring Procedure
4-3 Type K Measurements
1. Power on the meter by pressing the “ Power Button” (4-3, Fig.1). Note: to turn the power off, press and hold the “ Power Button” (4-3, Fig.1) for about 2 seconds.
2. The meters default type is K. You will not see any notification on the display. Anytime there is no indicator on the display then the meter is set for K.
3. Select the unit of measure, either °C or °F by pressing the “ °C/°F Button” (4-6, Fig. 1). The
LCD will display the unit of measure. For convenience the meter will retain the unit of measure when it is turned off.
4. Insert the Type K probes into the “ Thermocouple Input Socket” (4-9, Fig. 1).
4-4 Type J Measurements
1. Power on the meter by pressing the “ Power Button” (4-3, Fig.1). Note: to turn the power off, press and hold the “ Power Button” (4-3, Fig.1) for about 2 seconds.
2. Press “ Function Button” (4-5, Fig. 1) once. You will see a letter J on the top of the LCD.
3. Select the unit of measure, either °C or °F by pressing the “ °C/°F Button” (4-6, Fig. 1). The
LCD will display the unit of measure. For convenience the meter will retain the unit of measure when it is turned off.
4. Insert the Type J probes into the “ Thermocouple Input Socket” (4-9, Fig. 1).
4-5 Pt 100 ohm Measurements
1. Power on the meter by pressing the “ Power Button” (4-3, Fig.1). Note: to turn the power off, press and hold the “ Power Button” (4-3, Fig.1) for about 2 seconds.
2. Press “ Function Button” (4-5, Fig. 1) twice. You will see the letters Pt on the bottom right of the LCD.
3. Select the unit of measure, either °C or °F by pressing the “ °C/°F Button” (4-6, Fig. 1). The
LCD will display the unit of measure. For convenience the meter will retain the unit of measure when it is turned off.
4. Insert the Pt1 probe into the “ Pt1 Input Socket” (4-10, Fig. 1) and/or insert the Pt2 probe into the “ Pt2 Input Socket” (4-11, Fig. 1).
4-6 T1-T2 Measurements
1. With the probes already inserted and the meter already setup for either K, J or Pt functions, press the “ T1-T2 Button” (4-7, Fig.1).
2. The LCD display will show the two measured values on the left side. On the right you will see the difference of the two measured values.
4-7 Data Hold
While taking measurements you can freeze the displayed value by pressing the “ Hold Button”
(4-3, Fig. 1) once. The HOLD symbol will be displayed along with the held measured value on the LCD. By pressing the “ Hold Button” (4-3, Fig. 1) a second time will release the displayed value and turn off the data hold function.
4-8 Data Record (MAX/MIN)
1. To record the maximum and minimum readings, press the “ REC Button” (4-4, Fig. 1). The
REC symbol will be displayed on the LCD. By pressing the “ REC Button” (4-4, Fig. 1) you can toggle through the Max and Min values.
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2. To delete the recorded valuespress and hold the “ Hold Button” (4-3, Fig. 1) for about 3 seconds.
3. To stop using the REC function, press and hold the “ REC Button” (4-4, Fig. 1) for at least 3 seconds.
4-9 Auto Data Logger
Setup process will be described first because the Auto Data Logger function will not work if the sampling seconds is set to 0. If you do not need to setup your meter, skip to step 7.
1. Press and hold the “ SET Button” (4-6, Fig.1) for about 3 seconds to enter the settings menu
(you will see the word code on the bottom of the LCD).
2. Pressing the “ Enter Button” (4-4, Fig. 1) will bring you to the unit of measure for temperature
(see section 5-1 if you wish to change the unit of measure).
3. Press the “Logger Button” (4-6, Fig.1) and SEC will be displayed on the bottom of the LCD.
4. To cycle through the number of seconds you would like meter to wait between loggings, press the “ Function Button” (4-5, Fig. 1). By pressing the “ Function Button” (4-5, Fig. 1) the following number of seconds will be displayed on the top of the LCD: 1, 2, 10, 30, 60, 600,
1800 or 3600.
5. Once the number seconds you require is displayed on the LCD, press the “Logger Button”
(4-6, Fig.1).
6. Press the “ Enter Button” (4-4, Fig. 1) to exit the settings menu, then press the “ ESC Button”
(4-3, Fig. 1).
7. Press the “ REC Button” (4-4, Fig.1) momentarily to start the data log function. The REC symbol will be displayed on the LCD. The data logger function can save up to 1000 values of measure (either Humidity & Temp. or Dew Point & Te mp).
8. Press the “Logger Button” (4-8, Fig.1) and the meter will start logging. You will see the A flashing on the top of the LCDevery time a logging event has occurred. The A flashing will match the number of seconds you set in the setup of the data logger function.
9. If the A in the top of the LCD and the lower display are flashing then, it indicates that the memory is full. Please view the “ Clears the existing saving data from the memory” section in the “ Advanced Measuring Procedures” section.
4-10 Manual Data Logger (set sample time to 0 seconds)
1. Press the “ REC Button” (4-4, Fig.1) momentarily to start the data log function. The REC symbol will be displayed on the LCD. The data logger function can save up to 1000 values of measure (either Humidity & Temp. or Dew Point & Te mp).
2. Press the “Logger Button” (4-8, Fig.1) every time you would like the meter to record a value.
You will see an A flash in the top of the LCD. The meter will not record another measurement until you press the “Logger Button” (4-6, Fig.1) again.
3. If the A in the top of the LCD and the lower display are flashing then, it indicates that the memory is full. Please view the “ Clears the existing saving data from the memory” section in the “ Advanced Measuring Procedures” section.
5. Advanced Measuring Procedures
5-1 Changing the Data Logger Sampling Time
Note: Cancel any Hold or Record functions before trying to perform and advanced measuring procedures.
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1. Press and hold the “ Sample Time Button” (4-8, Fig. 1) for about 3 seconds. The bottom of the LCD will display “oFS” and “ SP-t” . To leave the setting menu press the “ ESC Button” (4-3,
Fig.1).
2. Press the “ R Button” (4-7, Fig. 1). The LCD display will now show“ SP-t” on the top of the
LCD , a “00” on the bottom left and a flashing “00” on the bottom right.
3. The bottom left “00” is for minutes adjust and the bottom right“ 00” is for seconds adjust. To toggle between the seconds and minutes press the “ Sample Time Button” (4-8, Fig. 1). The value flashing is the value that will be adjusted.
(4-5, Fig.1) and/or the “ ▼
Button” (4-7, Fig.1).
5. Press the “ Enter Button” (4-4, Fig. 1) to save settings. Both the seconds and minutes values will flash four times and the unit will then go in to standard measurement mode.
6. If you wish to cancel the settings during the four seconds of display flashing, press the “ ESC
Button” (Fig. 1).
5-2 Clear the Existing Saved Data from Memory
1. Pressing the “ CLR Button” (4-6, Fig. 1) for about 3 seconds the LCD will displayon the bottom “ Send” and “ CLr” .
2. Press the “ R Button” (4-7, Fig. 1) and the LCD will display the number of data points stored in to memory and to enter the clear memory function.
3. Use the “ ▲ Button” in the bottom right of the LCD. The “n” and “ Y” are displayed to allow you to tell the meter either
“n” NO do not clear memory or “ Y” YES clear the memory.
4. Once you have set your answer to either “ n” or “ Y” , press the “ Enter Button” (4-4, Fig. 1).
The stored data number will flash for about four times and then the meter will go to the normal measuring mode. To cancel your selection of“ n” or “ Y” after you pressed the “ Enter Button” (4-
4, Fig. 1), press the “ ESC Button” (Fig. 1). You will then be able to change your answer and repeat step 4.
6. Send Saved Data Out the RS232 Port
Note: Cancel any Hold or Record functions before trying to send data.
1. Pressing the “ Send Button” (4-6, Fig. 1) for about 3 seconds the LCD will display on the bottom “ Send” and “ CLr” .
2. Press the “L Button” (4-5, Fig. 1) and the LCD will display the number of saved data points on the top of the LCD and the memory balance in the lower LCD.
3. Press the “ Send Button” (4-6, Fig. 1) once will send the data out and the LCD will show the data points being send from zero to the number of stored data.
4. During the sending of data by pressing the “ Send Button” (4-6, Fig. 1) once will momentarily stop the data transfer, pressing the “ Send Button” (4-6, Fig. 1) once again will continue sending the data.
5. After the data send process is completed, press the “ ESC Button” (Fig. 1) to return to the normal measurement screen.
7. Offset Adjustment
7-1 Type K and J Adjustment
1. After setting the meter for either Type K or J and inserting the probes in to the input socket
T1.
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2. Press the “ Offset Button” (4-8, Fig. 1) for about 2 seconds. The LCD will display“ oFS” on the bottom left and “ SP-t” on the bottom right.
3. Press the “L Button” (4-5, Fig. 1) and the LCD will display on the bottom left the measured value, and the adjust value on the bottom right (if probe was not inserted into T1 the LCD will display “ Err” ).
(4-5, Fig.1) and/or the “ ▼ Button”(4-7, Fig.1) to change the adjust value on the bottom right of the LCD.
5. Once you have entered in the amount of offset you require, press the Enter Button”
(4-4, Fig. 1) and the both values on the bottom of the display will flash about four times and then return you to the normal measurement screen.
Note: The T1 offset is applied to all input channels.
7-2 Pt 100 ohm Adjustment
1. After setting the meter for Pt 100 ohm operation and inserting the probes in to the input socket PT1 or PT2.
2. Press the “ Offset Button” (4-8, Fig. 1) for about 2 seconds. The LCD will display“ P t1” on the bottom left and “ Pt 2” on the bottom right.
3. If you wish to offset the Pt 1 value, press the “ L Button” (4-5, Fig. 1). If you wish to offset the
Pt 2 value, press the “ R Button” (4-7, Fig. 1).
4. The LCD will display on the bottom left the measured value, and the adjust value on the bottom right (if probe was not inserted into the correct input socket the LCD will display“ Err”).
(4-5, Fig.1) and/or the “ ▼ Button” the bottom right of the LCD.
5. Once you have entered in the amount of offset you require, press the Enter Button”
(4-4, Fig. 1) and the both values on the bottom of the display will flash about four times and then return you to the normal measurement screen.
8. Auto Power Off Disable
This instrument has a “ Auto Power Off " function that can prolong battery life. The meter will shut off automatically if none of the buttons are pressed in approx. 10 min.
To disable this function, select the memory record function during a measurement by pressing the " REC. Button” (4-4, Fig. 1 ).
9. RS232 PC Serial Interface Information
This instrument has RS232 PC serial interface via a 3.5 mm terminal (4-12, Fig. 1).
The data output is a 16 digit stream which can be utilized for user's specific application.
A RS232 lead with the following connection will be required to link the instrument with the PC serial port.
Visit www.anaheimscientific.com
to see any available downloadable software for your instrument.
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The 16 digit data stream will be displayed in the following format:
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1D0
Each digit indicates the following status:
D15 Start Word
D14
D13
D12 & D11
D10
4
Function: T1, T2, T3, T4
When sending T1 value, D13 = 1
When sending T2 value, D13 = 2
When sending T3 value, D13 = 3
When sending T4 value, D13 = 4
Function: T1, T2, T1-T2
When sending T1 value, D13 = 1
When sending T2 value, D13 = 2
When sending T1-T2 value, D13 = 3
Indicator for Display
°C = 01 °F = 02
Polarity: 0 = Positive / 1 = Negative
D9
D8 to D1
Decimal Point (DP), position from right to left
0 = No DP, 1 = 1 DP, 2 = 2 DP, 3 = 3 DP
D0
Display reading, D1 = LSD, D8 = MSD
Example: If the display reading is 1234, then D8 to D1 is: 00001234
End Word
RS232 Setting
Baud Rate
Parity
Data bit #
Stop bit
9600
No Parity
8 Data bits
1 Stop bit
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10. Battery Replacement
1. When the LCD display shows the “ ” low battery symbol, It is necessary to replace the battery. The specifications listed for this instrument do not apply when the low battery symbol is displayed.
2. Open the “Battery Compartment” (4-16, Fig. 1) by first loosening the “Battery Cover
Screw s” (4-15, Fig. 1).
3. Replace the batteries with “good” batteries noting the correct polarity . Replace
“Battery Compartment” (4-16, Fig. 1) and “Battery Cover Screws” (4-15, Fig. 1).
Ensure the cover is securely fastened.
11. Service Inform ation
Warranty Service: Please return the product in the original packaging w ith proof of purchase to the address below . Clearly state in w riting the performance problem and return any leads, probes, connectors and accessories that you are using w ith the device.
Non-Warranty Service: Return the product in the original packaging to the address below . Clearly state in w riting the performance problem and return any leads, probes, connectors and accessories that you are using w ith the device. Customers not on open account must include payment in the form of a money order or credit card. For the most current repair charges please visit www .anaheimscientific.com and click on “service/repair”.
Return all merchandise to Anaheim Scientific w ith pre-paid shipping.
The flat-rate repair charge for Non-Warranty Service does not include return shipping. Return shipping to locations in North A merican is included for Warranty Service only. For overnight shipments and non-
North American shipping fees please contact Anaheim Scientific.
Anaheim Scientific
22820 Savi Ranch Par kw ay
Yorba Linda, CA 92887 www .anaheimscientific.com
714-921-9095
Include with the returned instrument your com plete return shipping address, contact name, phone number and description of problem .
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12. Lim ited Tw o-Year Warranty
Anaheim Scientific w arrants to the original purchaser that its products and the component parts thereof, w ill be free from defects in w orkmanship and materials for a period of tw o years from date of purchase from an authorized Anaheim Scientific distributor.
Anaheim Scientific w ill, w ithout charge, repair or replace, at its option, defective product or component parts. Returned product must be accompanied by proof of the purchase date in the form of a sales receipt.
To obtain w arranty coverage in the U.S.A., this product must be registered by completing the w arranty registration form on www .anaheimscientific.com w ithin fifteen (15) days of purchase.
Exclusions: This w arranty does not apply in the event of m isuse or abuse of the product or as a result of unauthorized alterations or repairs. The w arranty is void if the serial number is altered, defaced or rem oved.
Anaheim Scientific shall not be liable for any consequential damages, including w ithout limitation damages resulting from loss of use. Some states do not allow limitations of incidental or consequential damages.
So the above limitation or exclusion may not apply to you.
This w arranty gives you specific rights and you may have other rights, w hich vary from state-to-state.
Anaheim Scientific
22820 Savi Ranch Par kw ay
Yorba Linda, CA 92887 www .anaheimscientific.com
714-921-9095
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Anaheim Scientific
22820 Savi Ranch Par kw ay
Yorba Linda, CA 92887
U.S.A.
www .anaheimscientific.com
Printed in Taiw an / Ver. 1.0/0606
© 2006 Anaheim Scientific Corporation
