CM4371-50
https://rcce.com/CM4371-50
When technicians work in electrical maintenance, solar inspection, troubleshooting, and industrial service, they need more than a basic clamp meter. They need a tool that combines measurement capability, safety, and field-ready convenience. The Hioki CM4371-50 AC/DC Clamp Meter is designed for exactly that kind of work, offering True RMS 600 A AC/DC current measurement, broad DMM functionality, and high safety ratings for demanding applications. Hioki presents the CM4371-50 as a clamp meter built for tough situations, with CAT IV 600 V and CAT III 1000 V safety performance.
One of the CM4371-50’s biggest advantages is its versatility in the field. In addition to current measurement, it supports DC voltage up to 1000 V, AC voltage up to 1000 V, resistance, capacitance, frequency, temperature, continuity, and diode testing. Hioki also includes automatic AC/DC detection, helping users work more efficiently when checking live systems.
The CM4371-50 is also well suited for motor startup and transient current assessment. Hioki states that it can simultaneously measure inrush current in RMS and crest values, allowing users to evaluate startup behavior more accurately than standard clamp meters with fixed measurement intervals. This can be especially useful for motors, welders, and other equipment with changing load profiles.
For solar and high-voltage DC inspection work, the CM4371-50 offers additional flexibility. When paired with the optional DC High Voltage Probe P2010, Hioki says the meter can measure DC voltages up to 2000 V, making it suitable for open-voltage inspections of photovoltaic systems and other high-voltage DC environments.
Another strength is digital workflow support. With the optional Wireless Adapter Z3210, users can transfer data to smartphones or tablets using GENNECT Cross, send readings directly into Excel templates, and perform simple harmonic analysis up to the 30th order through the app. These functions help improve reporting efficiency and make the meter more useful for maintenance teams that need documented results.
For electricians, maintenance teams, solar technicians, and industrial service professionals, the Hioki CM4371-50 offers a practical combination of safety, portability, and measurement capability. Its rugged design, wide function set, and optional wireless connectivity make it a strong choice for modern field measurement work.
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