Hioki
Hioki CM4001
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Find on AmazonModel: CM4001
CM4001 standalone, wireless adapter not included
Important limit: AC current only; it cannot measure DC current, so it is not a general-purpose DC clamp
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Compare versions and packagesSpecifications checked November 5, 2026. Full product details
Carrying case C1022, wrist strap Z7063, instruction manual, operating precautions, 1x LR03 alkaline battery
Hioki CM4001 AC Leakage Clamp Meter
A slim-jaw AC leakage clamp meter with guaranteed accuracy from 0.60 mA to 600.0 A, built to clamp into crowded wiring and find earth leakage that trips GFCIs and RCDs.
Recorded product: CM4001 standalone, wireless adapter not included.
These are different products. Check their specifications separately.
Meter only; the Wireless Adapter Z3210 is not included.
Buyers who only need a leakage clamp without wireless logging.
Same meter with the Z3210 Bluetooth adapter in the box.
Buyers wanting wireless event recording of intermittent trips.
Purchase links appear where the exact offer is verified. Confirm the named model, quantity and accessories before ordering.
| AC current range | 60.00 mA / 600.0 mA / 6.000 A / 60.00 A / 600.0 A, 5 ranges (40 Hz to 1 kHz, True RMS) |
|---|---|
| Basic accuracy | 45-66 Hz: ±1.5% rdg. ±5 dgt (60.00 mA to 6.000 A); ±2.5% rdg. ±5 dgt (60.00 A to 600.0 A) |
| Guaranteed accuracy range | From 0.60 mA to 600.0 A |
| Frequency range | 40.0 Hz to 999.9 Hz |
| Crest factor | 4.5 (4000 counts or less); 3 (over 4000 and up to 6000 counts) |
| Filter function | Cutoff frequency 180 Hz ±30 Hz when filter is on (-3 dB) |
| Comparator function | Threshold-based pass/fail judgement with red backlight and audio alerts to locate leakage faster |
| Other functions | Max/Min/Avg recording, AC inrush function, data hold, backlight, auto power off |
| Harmonic analysis | Current harmonic levels up to 30th order, content factor and total harmonic distortion with the optional Z3210 wireless adapter |
| Display | Display refresh rate 5 times per second |
| Wireless | Bluetooth via optional Wireless Adapter Z3210; readings transfer to the free GENNECT Cross app or directly into an Excel template |
| Power supply | 1x LR03 alkaline battery; 32 hours continuous use (16 hours with Z3210 wireless in use) |
| Core jaw diameter | φ24 mm (0.94 in.) |
| Dimensions and mass | 37 mm W × 160 mm H × 27 mm D, 115 g (4.1 oz) |
| Included accessories | Carrying case C1022, wrist strap Z7063, instruction manual, operating precautions, 1x LR03 alkaline battery |
From manufacturer documentation, checked November 5, 2026. Spotted an error? Tell us.
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