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Multi Measuring Instruments

M-700 AC/DC Clamp Milliammeter (CE)

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SKU:
M-700
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Description

M-700 AC/DC Clamp Milliammeter (CE)

The M-700 AC/DC Clamp Milliammeter is a leakage current measuring instrument designed for low-current AC and DC measurements. It features a separate slide/hook-type current transformer (CT) with a 5 mm jaw opening, allowing current measurement without disconnecting the conductor.

The M-700 provides two DC measurement ranges of 100 mA and 1000 mA, and three AC ranges of 100 mA, 1000 mA, and 10 A. It offers a resolution of 0.01 mA on the 100 mA range and supports AC measurements at 45–65 Hz. The instrument also includes DC zero adjustment to support low-current measurements.

For integration with external recording equipment, the M-700 provides a DC analog output of 100 mV full scale for each measurement range. Its separate clamp sensor, LCD display, and data-hold function make it suitable for evaluating AC and DC leakage currents within its specified measurement limits.

Accuracy Specifications

Conditions: 23°C ± 5°C, less than 85% RH.

Function Range Measuring Range Resolution Accuracy
DC Current (DCA) 100 mA 0.1 to ±50.00 mA 0.01 mA ±1% rdg ± 5 dgt
±50.01 to ±99.99 mA 0.01 mA ±1% rdg ± 10 dgt
1000 mA 1 to ±300 mA 0.1 mA ±1% rdg ± 10 dgt
±300.1 to ±700 mA 0.1 mA ±2% rdg ± 10 dgt
±700.1 to ±999.9 mA 0.1 mA ±3% rdg ± 10 dgt
AC Current (ACA), 50/60 Hz 100 mA 0 to 99.99 mA 0.01 mA ±1% rdg ± 10 dgt
1000 mA 0 to 999.9 mA 0.1 mA ±1% rdg ± 10 dgt
10 A 0 to 9.999 A 0.001 A ±1% rdg ± 10 dgt

Additional DC Current Specifications:

  • Influence of terrestrial magnetism: Less than ±0.5 mA
  • Influence of magnetization: Less than ±0.5 mA by DC 1.5 A on/off
  • Influence of CT opening and closing: Less than ±0.7 mA
  • Maximum input current: DC 1.5 A

Additional AC Current Specifications:

  • Maximum input current: AC 20 A

Key Features –M-700 AC/DC Clamp Milliammeter (CE)

  • AC/DC Leakage Current Measurement: DC ranges of 100 mA and 1000 mA; AC ranges of 100 mA, 1000 mA, and 10 A.
  • High Measurement Resolution: 0.01 mA resolution on the 100 mA range for low-level leakage current measurements.

  • 5 mm Clamp Sensor: Separate slide/hook-type CT with a 5 mm jaw opening and 1.2 m cable.

  • Reduced Magnetic Interference: Terrestrial magnetism and magnetization influence specified at less than ±0.5 mA.

  • Analog Signal Output: DC 100 mV full-scale output for each measurement range, with an optional recorder cable.

Documents

Catalog: e_ca_m700.pdf

Instruction Manual: e-ma-m700.pdf

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Additional Information

Measuring method:
AC/DC leakage current
AC Conversion:
Average sensing rms reading
Accuracy:
See accuracy specifications in description tab
Display:
Max. 2000 count on LCD with annunciators
Current Consumption:
Approx. 9mA (Approx. 200 hours continuous use)
Option:
Cable for recorder
Jaw opening capability:
5mmφ
Over range indication:
"OL" mark on LCD
Data hold indication:
"DH" mark on LCD
Sampling:
1 time/sec. for DC and 6 times/sec. for AC
Withstanding Voltage:
AC 3700V/1 minute between CT and outer case
Safety standard:
IEC 61010-1, IEC61010-2-032 CATâ…¡ 600V or CATâ…¢ 300V
Analog signal output:
DC 100mV full scale to each range (Output impedance: less than 10kΩ)
Operating Temperature:
0~50℃, < 85%RH (without condensation)
Storage Temperature:
-10~60℃, < 70%RH (without condensation)
Low battery indication:
"Battery" mark on LCD
Auto power off:
Approx. 10 minutes after last switch operation (Auto power off function can be released by the switch)
Power supply:
LR6, AM-3 or AA size battery×4
Power consumption:
36mW
Battery life:
Approx. 60 hours continuous
Size:
Main unit:78(W)×155(H)×32(D)mm, Approx. 280g || 19(W)×133(H)×28(D)mm CT (CTP-05DC):1.2m lead, Approx. 100g
Accessories:
Carrying case, Batteries, Instruction manual
CT type:
Slide/Hook type
Limitation of circuit voltage:
Less than AC/DC 600V
Measuring ranges:
DC 100mA/1000mA, AC 100mA/1000mA/10A (45Hz~65Hz)
Zero adjustment:
For DC current range by "0 ADJ" switch
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