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Multi Measuring Instruments

M-104+ Mini AC Leakage Current Clamp Tester

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SKU:
M-104
Weight:
85.00 Grams

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Description

M-104+ Mini AC Leakage Current Clamp Tester

The M-104+ Mini AC Leakage Current Clamp Tester is a compact handheld instrument designed for measuring AC leakage current, with four measurement ranges of 30 mA, 300 mA, 30 A, and 150 A. Its 33 mm current transformer (CT) opening and lightweight 85 g construction make it suitable for measurements where instrument size and portability are important.

The M-104+ features a 3.5-digit LCD, a data hold function for retaining readings, and a measurement accuracy of ±2% of reading ±5 digits under specified reference conditions. It is a low-cost model without core shielding, an important consideration when evaluating the instrument for a particular measurement requirement.

Accuracy Specifications

Conditions: 23°C ± 5°C, 80% RH or less (50/60 Hz).

Function Range Resolution Accuracy
AC Current (50/60 Hz) 30 mA 0.01 mA ±2% rdg ± 5 dgt
300 mA 0.01 mA ±2% rdg ± 5 dgt
30 A 0.01 A ±2% rdg ± 5 dgt
150 A 0.01 A ±2% rdg ± 5 dgt

Key Features –M-104+ Mini AC Leakage Current Clamp Tester

  • Four AC Current Measurement Ranges: 30 mA, 300 mA, 30 A, and 150 A.
  • 33 mm CT Opening: Compact current transformer opening for conductor access.
  • Measurement Accuracy: ±2% of reading ±5 digits at 50/60 Hz under specified reference conditions.
  • Data Hold Function: Retains measured values on the LCD for convenient reading.
  • Compact, Lightweight Design: 54 × 152 × 23 mm dimensions and approximately 85 g weight.

Documents

Instruction Manual: e-ma-M-104+.pdf

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Additional Information

Measuring method:
Dual slope integration mode
Accuracy:
See accuracy specifications in description tab
Display:
3.5 digit LCD, max. reading of 3200
Measuring ranges:
AC 30 mA/300 mA/30 A/150 A
Inside diameter of CT:
φ33mm
Withstanding voltage:
AC 2000V/1 minute
Over range indication:
"OL" mark on LCD
Data hold indication:
"DH" mark on LCD
Low battery indication:
"Battery" icon on LCD
Sampling rate:
2 times/sec
Operating temperature:
0~40℃, < 80%RH (without condensation)
Storage temperature:
-10~60℃, < 70%RH (without condensation)
Power supply:
1.5V (LR-44 or SR-44) battery×2
Dimension:
54(W)×152(H)×23(D)mm
Accessories:
Soft case, Batteries, Instruction manual
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