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ACM-2103 Clamp Meter

Measurement range: ACA, DCA, ACV, DCV, Ohms, Diode, Hz, capacitance, duty cycle, continuity beeper. Over-input: Indication of "1" or "-1". Sampling Time: Approx. 0.35 second. Battery: DC 9V battery, heavy duty or Alkaline type, 006P, MN1604 (PP3) or equivalent. Power Consumption: Approx. DC 5mA. Operating Temp.: 0°C to 50°C (32°F to 122°F). Operating humidity: Less than 80% RH. Max. jaw open size: 2.36in/60mm Dia.

Manuals: 
User's Manual (2.26 Mb)

AKTAKOM ACM-2103 is 2 in 1 instrument: 2000 A clamp meter + digital multimeter.

Features

  • Meet IEC 1010 CATIII 1000V safety requirement
  • True rms reading for ACV & ACA measurement
  • 4000 counts, auto range, multi-functions for ACA, DCA, ACV, DCV, Ohms, capacitance, Hz, diode, duty cycle and continuity check
  • LSI circuit provides high reliability and durability
  • Wide ranges (2000A, 400A) clamp on current measurement both for ACA & DCA
  • 4 ranges (400uA, 4000uA, 40mA, 400mA) direct current input measurement both for ACA & DCA
  • Overload protection circuit is provided for all ranges
  • Data hold, relative key, back light
  • Compact & heavy duty ABS and fireproof plastic case

Specifications

General specifications

Display: 15mm (0.6") LCD, 4 digits, Max. indication 5000 (frequency range)
Measurement range: ACA, DCA, ACV, DCV, Ohms, Diode, Hz, capacitance, duty cycle, continuity beeper
Polarity: Automatic Switching, "-" indicates negative polarity
Current Sensor: Hall effect sensor

Zero adjustment:

  • DCA: Push bottom adjustment
  • Other ranges: Automatic adjustment

Over-input: Indication of "1" or "-1"
Sampling Time: Approx. 0.35 second
Battery: DC 9V battery, heavy duty or Alkaline type, 006P, MN1604 (PP3) or equivalent
Power Consumption: Approx. DC 5mA
Operating Temp.: 0°C to 50°C (32°F to 122°F)
Operating humidity: Less than 80% RH.
Max. jaw open size: 2.36in/60mm Dia.

Electrical specifications (23±5°C)

Function Range Resolution Accuracy Overload Protection
DC/AC voltage 400mV (DC only) 0.1mV ±(0.5%+2d) AC/DC 1000V
4V 0.001V DCV: ±(1%+2d) ACV: ±(1.2%+5d)
40V 0.01V
400V 0.1V
1000V 1V
DC/AC current (Direct input) 400uA 0.1uA ±(1.2%+5d) AC/DC 500mA (Fuse)
4000uA 1uA
40mA 0.01mA
400mA 0.1mA
DC/AC current (Clamp on) 400A 0.1A ±(2%+5d) AC/DC 2000A/1000V
2000A 1A ±(2%+8d)

Remarks:

  • True rms measurement both for ACV, ACA function.
  • Input impedance for ACV & DCV range is 10 Mega ohm
  • ACA, ACV frequency response is from 45 to 1KHz
  • ACA, ACV specifications are tested on sine wave 50/60 Hz

Function Range Resolution Accuracy Overload Protection
Ohms 400 ohm 0.1 ohm ±(1%+5d) AC/DC 400V
4 Kohm 1 ohm
40 Kohm 10 ohm
400 Kohm 100 ohm
4 Mohm 1 Kohm ±(2%+2d)
40 Mohm 10 Kohm ±(3.5%+5d)
Capacitance 50nF 10pF ±(3%+5d) AC/DC 400V
500nF 100pF
5uF 0.001uF
50uF 0.01uF
Frequency (>5V) 5Hz 0.001Hz ±(1%+5d) AC/DC 1000V
50Hz 0.01Hz
500Hz 0.1Hz
5KHz 1Hz
50KHz 0.01KHz
100KHz 0.1KHz
Duty cycle 1% to 99% 0.1%

Diode: Short/non conductance, good/defect test

Continuity: If measuring assistance is less than 10 ohm, the beeper will sound

Dimensions: 10x2.9x1.5in/255x73x38mm

Weight: 0.85lb/380g (including battery)

Accessories

Standard accessories

  • Operation manual
  • Test lead (red & black)

Optional accessories

  • Carrying case
  • EMF Adapter
  • Light Adapter
  • Anemometer Adapter
  • Pressure Adapter
  • Sound Adapter
  • Tachometer Adapter
  • High Voltage Probe

Controls of ACM-2103 Clamp Meter

AC Current Measurement

Clamp on:

  • Select "Function rotary switch" to the "2000A" position then push "FUNC" button, the display will show "~"
  • Press the "Trigger" to open the "Current Sensor Jaws" and clamp on the measure conductor only.

Consideration:
a. Recommend use the "auto range" mode typically. However if push the "Range button" will hold the range.
b. For safety reason, please insert the "Terminal rubber cover" for protection.

Direct input:

  • Connect BLACK test lead into "COM" terminal
  • Connect RED test lead into "μA, mA" terminal
  • If measure "μA" (400μA, 4000μA), select the "Function rotary switch" to the "μA" position then push the "FUNC" button, the display will show "~"
  • If measure "mA" (40mA, 400mA), select the "Function rotary switch" to the "mA" position then push the "FUNC" button, the display will show "~"
  • Open the circuit in which the current are to be measured. Now securely connect test lead in series with the circuit.

ACA Measurement

DC Current Measurement

Clamp on:

  • Select the "Function rotary switch" to "2000A" position then push the "FUNC" button, the display will show "="
  • Push the "DCA zero" button at least 2 seconds to let the display show "ZERO" value
  • Press the "Trigger" to open the "Current Sensor Jaws" and clamp on the measure conductor only.

Consideration:
a. Recommend use the "auto range" mode typically. However if push the "Range button" will hold the range.
b. For safety reason, please insert the "Terminal rubber cover" for protection.

Direct input:

  • Connect BLACK test lead into "COM" terminal
  • Connect RED test lead into "μA, mA" terminal
  • If measure "μA" (400μA, 4000μA), select the "Function rotary switch" to the "uA" position then push the "FUNC" button, the display will show "="
  • If measure "mA" (40mA, 400mA), select the "Function rotary switch" to the "mA" position then push the "FUNC" button, the display will show "="
  • Open the circuit in which the current are to be measured. Now securely connect test lead in series with the circuit.

DCA Measurement

DCV, ACV Measurement

  • Connect BLACK test lead into "COM" terminal
  • Connect RED test lead into "V" terminal
  • When measuring "DCV" select the "Function rotary switch" to the "V" position then push the "FUNC" button, the display will show "="
  • When measuring "ACV" select the "Function rotary switch" to the "V" position then push the "FUNC" button, the display will show "~"
  • When LCD shows the "AUTO" marker the meter is under the "auto range" mode, the meter will select the suitable measurement range automatically
  • Under the operation of "auto range" mode push the "Range button" will hold the range.

DCV MeasurementACV Measurement

Capacitance Measurement

  • Connect BLACK test lead into "COM" terminal.
  • Connect RED test lead into "" terminal.
  • Select the "Function rotary switch" to the "" position then push the "Function button" for display show "nF"
  • Zero adjustment:
    Due to the consideration of the existing "stray capacitance" of the internal circuit board or the test aliigator. For the 50 nF & 500 nF range, it should to make the zero adjustment procedures before make the measurement first. Open the input terminal & not connecting the measured capacitor, push the "REL. Button", the display will show zero value. Then connect the measuring capacitor again & make the measurement following.
  • For the capacitance measurement, the meter is always under the "auto range" mode, it will select the suitable measurement range automatically.

Capacitance Measurement

Resistance Measurement

  • Connect BLACK test lead into "COM" terminal
  • Connect RED test lead into "Ω" terminal
  • Select the "Function rotary switch" to the "Ω" position then push the "FUNC" button, the display will show "Ω"
  • When LCD shows the "AUTO" marker the meter is under the "auto range" mode, the meter will select the suitable measurement range automatically
  • Under the operation of "auto range" mode push the "Range button" will hold the range.

Resistance Measurement

Frequency and Duty Cycle Measurement

  • Connect BLACK test lead into "COM" terminal.
  • Connect RED test lead into "Hz" terminal.
  • Select the "Function rotary switch" to the "Hz" position then push the "Hz/% button" for display show "Hz".
  • For the FREQUENCY measurement, the meter is always under the "auto range" mode, it will select the suitable measurement range automatically.
  • For the Duty Cycle measurement all the measuring procedures are same as above except push the "Hz/%" for display show "%".

Frequency Measurement

Back light Operation

Push the " button" about two seconds continuously, the LCD back light lamp will turn on.

Continuity Check

  • Connect BLACK test lead into "COM" terminal.
  • Connect RED test lead into "Ω" terminal.
  • Select the "Function rotary switch" to the "" position then push the "FUNC. button" for display show "".
  • When the resistance value is less than 10Ω, the beeper sound will be generated.

Data Hold Operation

  • During the measurement, pushing the "Hold button" once a while will freeze the measured value & the LCD will indicate "H" symbol.
  • Push the " Hold Button " again to release the data hold function.

Diode Test

  • Connect BLACK test lead into "COM" terminal.
  • Connect RED test lead into "" terminal.
  • Select the "Function rotary switch" to the "" position then push the "FUNC. button" for display show "".
  • a. When connected with polarity as shown in Fig. below, a forward current flow is established and the approx. Diode Forward Voltage (VF) value in volt will appears on the display reading. If the diode under test is defective, ".000" or near ".000" value (short circuit) or "1" (open circuit) will be displayed.
    b. When connected as shown in Fig. below, a reverse check on the diode is made. If the diode under test is good," 1" will be displayed. If the diode under test is defective, ".000" or other numbers will be displayed. Proper diode testing should include both steps a. and b. above.


Test Diode

Relative Operation

  • During the measurement, the circuit will memorize the last measured values if push the "REL.Button" at once, then LCD will show zero value & a "REL" indicator.
  • The input measured values will deduct last measured values automatically, then show those new value on the display.
  • It will release the Relative Measurement function if push the REL. button at once again, at same time the "REL" marker will disappear.


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