Multi Measuring Instruments
M-140 Mini AC Leakage Current Clamp Tester (CE)
- SKU:
- M-140
- Weight:
- 125.00 Grams
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.
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) |
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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