AKTAKOM AMM-1048 Digital Multimeter User Manual

Features

 3-3/4 digit 4000 count) LCD display

 Built-in non-contact AC voltage detector plus flashlight

 Double Molded housing

 CATIII 1000V

 200mA/500V Resettable Fused current inputs and Overload protection on all ranges

 Autoranging with auto power off

Safety

International Safety Symbols

This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for further information.

This symbol, adjacent to a terminal, indicates that, under normal use, hazardous voltages may be present.

Double insulation

Safety Precautions

1. Improper use of this meter can cause damage, shock, injury or death. Read and understand this users manual before operating the meter.

2. Make sure any covers or battery doors are properly closed and secured.

3. Always disconnect the test leads from any voltage source before replacing the battery or fuses.

4. Do not exceed the maximum rated input limits.

Input Limits

V DC or V AC

µA AC/DC

Resistance, Diode & Continuity Test

600V DC/AC

200mA/500V fast acting Resettable Fuse

600V DC/AC

5. Use great care when making measurements if the voltages are greater than 25VAC rms or 35VDC.

These voltages are considered a shock hazard.

6. Always discharge capacitors and remove power from the device under test before performing Diode,

Resistance or Continuity tests.

7. Remove the battery from the meter if the meter is to be stored for long periods.

Meter Description

1

6

1. Non-contact AC voltage detector probe tip

2. Non-contact AC voltage indicator light

2

3

Auto Ran g ing DMM

3. 3 3/4 Digit (4000 count)

4. MODE button

4

7

8

10

OFF

V

5. Function switch

6. Flashlight

5

A

AU

T

O

PO

W

ER O

FF

7. Flashlight button

8. Hz/%Duty button

9. Battery Cover

10. Test leads

9

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Specifications

Electrical Specifications

Function Range

DC Voltage 400mV,

4.000V,40.00V, 400.0V, 600V

Accuracy

 (0.5% rdg + 3d)

 (1.2% rdg + 3d)

AC Voltage

50-60Hz

DC Current

AC Current

50-60Hz

Resistance

4.000V, 40.00V

400.0V, 600V

400.0

µ A, 4000 µ A

40.00mA, 200.0mA

400.0

µ A, 4000 µ A

40.00mA, 200.0mA

400.0



4.000k

 , 40.00k

 , 400.0k



4.000M



40.00M











(1.0% rdg + 8d)

(2.3% rdg + 10d)

(2.0% rdg + 8d)

(2.5% rdg + 10d)

 (0.8% rdg + 5d)

 (1.2% rdg + 5d)

 (5.0% rdg + 5d)

 (10.0% rdg + 5d)

Capacitance

Frequency

4.000nF

40.00nF

400.0nF

4.000µF, 40.00µF, 200.0µF

9.999Hz, 99.999Hz, 999.9Hz,

9.999kHz,

0.5-99% Duty Cycle

Max input voltage 600V AC/DC

Diode Test Test current 1mA max., open circuit voltage of 1.5V typical

Continuity Check Audible signal if the resistance is <100 

Display 4000 count 3 -3/4 digit LCD

Over range indication LCD displays “OL”

Polarity Minus (-) sign for negative polarity.

Low Battery Indication “BAT” symbol indicates low battery condition.

Input Impedance >7.5M

Ω (VDC & VAC)

AC Response Average responding

ACV Bandwidth 50Hz to 60Hz

Auto Power Off 15 minutes (approximately)

Fuse mA, µA ranges; 0.4A/600V fast acting Resettable Fuse

Batteries Two 1.5V AAA

Operating Temperature 32 o F to 104 o

Storage Temperature 14 o F to 122 o

F (0 o C to 40

F (-10 o o C)

C to 50 o C)

Weight

Size

Standard

145g

104x55x32.5mm

IEC61010-1 CAT III 1000V Pollution degree II, CE Approved

 (5.0% rdg + 0.6nF)

 (5.0% rdg + 30d)

 (3.0% rdg + 15d)

 (5.0% rdg + 25d)





(2.0% rdg + 5d)

(2.0% rdg + 5d)

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Operation

AC/DC VOLTAGE MEASUREMENTS

CAUTION: Do not measure AC/ DC voltages if a motor on the circuit is being switched ON or OFF.

Large voltage surges may occur that can damage the meter.

1. Set the function switch to the green V position.

2. Press the MODE button to indicate “DC” or “AC” on the display.

3. Touch the black test probe tip to the negative side of the circuit.

Touch the red test probe tip to the positive side of the circuit.

4. Read the voltage in the display

DC/AC CURRENT MEASUREMENTS

1. Set the function switch to the µA/mA position.

2. For current measurements up to 4000 µA DC/AC, set the function switch to the mA position

3. Press the MODE button to indicate “DC” / “AC” on the display.

4. Remove power from the circuit under test, then open up the circuit at the point where you wish to measure current.

5. Touch the black test probe tip to the negative side of the circuit.

Touch the red test probe tip to the positive side of the circuit.

6. Apply power to the circuit.

7. Read the current in the display

NOTE: 0.2A/500V fast acting Resettable Fuse current inputs and Overload protection on mA, µA ranges. No replacement required.

RESISTANCE MEASUREMENT

WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any resistance measurements. Remove the batteries and unplug the line cords.

1. Set the function switch to the Ω position.

2. Press the MODE button to indicate  on the display.

3. Touch the test probe tips across the circuit or part under test. It is best to disconnect one side of the part under test so the rest of the circuit will not interfere with the resistance reading.

4. Read the resistance in the display

CONTINUITY CHECK

WARNING: To avoid electric shock, never measure continuity on circuits or wires that have voltage on them.

1. Set the function switch to the Ω position.

2. Press the MODE button to indicate  on the display

3. Touch the test probe tips to the circuit or wire you wish to check.

4. If the resistance is less than approximately 150  , the audible signal will sound. If the circuit is open, the display will indicate “OL”.

DIODE TEST

1. Set the function switch to the Ω position.

2. Press the MODE button to indicate on the display.

3. Touch the test probes to the diode under test. Forward voltage will typically indicate 0.400 to 0.700V.

Reverse voltage will indicate “ OL ”. Shorted devices will indicate near 0V and an open device will indicate

“ OL ” in both polarities

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Capacitance Measurement

WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any capacitance measurements. Remove the batteries and unplug the line cords. Never measure continuity on circuits or wires that have voltage on them.

1. Set the function switch to the “ Ω •))) ” position.

2. Press the SELECT button until “nF” appears in the display.

3. Press the RELATIVE button to zero the display

4. Connect the test leads to the capacitor to be measured.

5. Read the value on the display.

Frequency/Duty Cycle Measurement

1. Set the function switch to the “ HZ/DUTY” position.

2. Press the Hz/DUTY button once to display Duty Cycle %. Pressing the button again will toggle the display to frequency (Hz).

3. Touch the test probe tips to the circuit under test. Be sure to observe the correct polarity (red lead to positive, black lead to negative).

4. Read the value on the display.

Non-Contact AC Voltage Measurements

WARNING: Risk of Electrocution. Before use, always test the Voltage Detector on a known live circuit to verify proper operation

1. Touch the probe tip to the hot conductor or insert into the hot side of the electrical outlet.

2. If AC voltage is present, the detector light will illuminate.

NOTE : The conductors in electrical cord sets are often twisted. For best results, rub the probe tip along a length of the cord to assure placing the tip in close proximity to the live conductor.

NOTE : The detector is designed with high sensitivity. Static electricity or other sources of energy may randomly trip the sensor. This is normal operation

Flashlight

Press and hold the top button to turn the flashlight on. Release the button to turn the flashlight off.

AUTO POWER OFF

The auto off feature will turn the meter off after 15 minutes.

REPLACING THE BATTERY

1. Remove the bottom cover and secure the screw.

2. Replace old battery with fresh Two 1.5V AAA type battery.

3. Replace the bottom cover and secure the screw.

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