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Multi Measuring Instruments

M-140 Mini AC Leakage Current Clamp Tester (CE)

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SKU:
M-140
Weight:
125.00 Grams

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Description

M-140 Mini AC Leakage Current Clamp Tester (CE)

The M-140 Mini AC Leakage Current Clamp Tester is a compact digital clamp meter designed to measure AC leakage current and AC current across four measurement ranges: 30 mA, 300 mA, 30 A, and 300 A. With a minimum resolution of 0.01 mA, it supports low-level leakage current measurements as well as higher AC current measurements.

The M-140 features a 40 mm CT jaw opening, a 3.5-digit LCD with a maximum reading of 3200, and a data hold function. Its compact dimensions of 64 × 162 × 23 mm and approximate weight of 125 g make it suitable for handheld measurements. The instrument is designed to minimize the influence of external magnetic fields and provides automatic power-off after approximately 10 minutes.

The tester conforms to IEC 61010-1 and IEC 61010-2-032, with safety ratings of CAT II 600 V and CAT III 300 V.

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 ±1.2% rdg ± 5 dgt
300 mA 0.01 mA ±1.2% rdg ± 5 dgt
30 A 0.01 A ±1.2% rdg ± 5 dgt
300 A 0.01 A 0–200 A: ±1.2% rdg ± 5 dgt
200–250 A: ±3.0% rdg ± 5 dgt
250–300 A: ±5.0% rdg ± 5 dgt

Key Features –M-140 Mini AC Leakage Current Clamp Tester (CE)

  • AC Leakage and Current Measurement: Four measurement ranges of 30 mA, 300 mA, 30 A, and 300 A.
  • High-Resolution Leakage Detection: 0.01 mA resolution for low-level AC leakage current measurements.
  • 40 mm CT Jaw Opening: Accommodates conductors up to 40 mm in diameter.
  • Reduced External Magnetic Field Influence: Designed to minimize interference from external magnetic fields.
  • Compact, Lightweight Design: Dimensions of 64 × 162 × 23 mm and approximate weight of 125 g.

Documents

Catalog: e_ca_m140.pdf

Instruction Manual: e-ma-m140.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 0~30mA/300mA, 30A/300A, 2 range manual
Auto power off:
Approx. 10 minutes later after power on
Withstanding voltage:
AC 3700V 1 minute max. (Between the core of CT and outer case)
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 (Digital display) 12 times/sec (Bar graph display)
Operating temperature:
0~40℃, < 80%RH (without condensation)
Storage temperature:
-10~60℃, < 70%RH (without condensation)
Power supply:
1.55V (SR-44, LR-44)×2
Dimension:
64(W)×162(H)×23(D)mm
Accessories:
Soft case:1 || Instruction manual:1 || Batteries LR-44(1.55V):2
E.M.C. standard:
EN 61326
Jaw opening capability:
40mmφ
Battery life:
Approx. 50 hours(LR-44)
Power consumption:
5mW
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