Description
Hioki CM4001-90 – Leakage Clamp Meter (600 A AC) with Wireless Adapter

- Maximum AC current = 600 A
- Maximum DC current = N/A
- Maximum AC voltage = N/A
- Maximum DC voltage = N/A
- True RMS = Yes
Hioki clamp-on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. Use the CM4001 to easily clamp within crowded cables in order to reduce work time and improve safety. With guaranteed accuracy from 0.60 mA to 600.0 A, the CM4001 provides a one-stop solution for a variety of applications. A built-in comparator function also helps you find issues much faster.
Wireless support. Wireless communication capability for even greater convenience.
With Wireless Adapter Z3210 included. It transfers measurements to your smartphone or tablet and allows you to quickly create reports with field photos and drawings.


Instantly create reports by a free app (GENNECT Cross)
GENNECT Cross, a free app designed specifically for use with Hioki measuring instruments, lets you check and manage measurement results and create reports.
The software provides a range of functionality that helps manage data in the field, including photographing measurement sites, placing measurement results on photographs, and saving handwritten memos.
Perform everyday maintenance work more safely and easily
- Slim jaws simplify measurements within crowded cables, improve efficiency and reduce work time
- Filter function eliminates unwanted noise to let you measure close to the 50 Hz/60 Hz fundamental frequency
- White backlight, measured value hold, and auto power-off features add convenience
- [AUTO HOLD] function automatically holds the measured value for use in difficult places to see the display
Support for troubleshooting and diagnostics
- The CM4001 retains maximum, minimum, and average [MAX/MIN/ AVG] RMS current values to make it easier to analyze potential problems
- Waveform peak value measurement [PEAK] capture intermittent or transient events
- Inrush current measurement [INRUSH] captures the starting current up to 150 ms from the trigger to help locate equipment startup problems and contributes to a preventive maintenance log for future reference
Clamp Meters/Clamp Meters Template | |
|---|---|
| True RMS | Yes |
| Maximum Current AC | 600 A |
| Maximum Conductor Size | 0.94 IN |
| Resistance | No |
| Capacitance | No |
| In-Rush Current | No |
Product General Attributes | |
| Warranty | 3 YEARS |
| Warranty Details | Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year, Product warranty period is 3 years |
| Product Weight | 0.25 LBS |
| Product Height | 6.3 IN |
| Product Length | 1.06 IN |
| Product Width | 1.46 IN |
| Shipping Weight | 0.28 LBS |
| Battery Type | AAA |
| Power Supply Voltage | Battery Powered |
| Country of Origin | Japan |








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