Hioki CM4373 User Manual

EN
AC/DC CLAMP METER
Instruction Manual
June 2016 Revised edition 2
CM4371A961-02 16-06H
CM4371
CM4372
CM4373
CM4374
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Hioki CM4373 Specifications

General

Model	CM4373
Category	Clamp Meter
True RMS	Yes
Bluetooth	Yes
Continuity	Yes
Diode	Yes
Display	LCD
Safety Standards	CAT IV 600 V, CAT III 1000 V
Type	Digital
AC Voltage	1000 V
DC Voltage	1000 V
Resistance	60.00 MΩ
Operating Temperature	-25 °C to 65 °C
Power Supply	2 x AA batteries

Summary

Safety Notes

DANGER

Warns about potential injury or death due to mishandling and the need to understand instructions.

Protective Gear Warning

Advises using insulated protective wear like gloves and boots and a safety helmet for electrical work.

Usage Notes

Exceeding Measurement Ranges Danger

Warns against exceeding measurement ranges, which can damage the instrument or cause injury.

Wet Conditions Warning

Warns against getting the instrument wet or using it with wet hands to avoid electric shock.

Insert/Replace Batteries

Inspection Before Measurement

Pre-measurement Checks

Current Measurement

Manual Hold / Auto Hold

Switching Ranges

Filter Function

MAX/MIN/AVG/PEAK Measurement

Measuring MAX/MIN/AVG/PEAK Values

Simultaneous DC Current/Voltage Peak Values

Rush Current (INRUSH) Measurement

Measuring Rush Current

Other Measurement Functions

Bluetooth® Communications (CM4372, CM4374)

Installing GENNECT Cross App

Pairing App with Clamp Meter

Details the steps for pairing the GENNECT Cross app with the clamp meter.

Repairs, Inspections, and Cleaning

Troubleshooting Instrument Issues

Lists common symptoms and their verification or solution steps for troubleshooting.

Understanding Error Displays

Lists common error codes displayed by the instrument and their corresponding solutions.

Specifications

Accuracy Specifications and Measurement

Details guaranteed accuracy periods, temperature/humidity effects, and measurement methods.

Accuracy Table

AC Current Accuracy Details

Lists accuracy for AC current measurements across different ranges and frequency conditions.

DC Voltage Accuracy Details