Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CM4375-50 is a 1000 A AC/DC True RMS clamp meter that features a uniquely designed slim jaw that lets you easily get into the narrow gaps between cables in crowded electrical distribution boxes without fear of damaging the cables or the clamp meter. The broad IP54 dustproof and waterproof enclosure to enable professionals to work quickly in challenging situations including the development, repair, and maintenance of equipment and devices such as electric vehicles. Additionally, the high-voltage DC measurement capability of up to 2000 V (*1) is ideal for the clamp maintenance inspections of electrical and solar power equipment.
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-40.0°C to 400.0°C, add temperature probe accuracy to basic accuracy of ±0.5% rdg. ±3.0°C
Other functions
Continuity check, Diode check, Automatic AC/ DC detection, DC current and DC voltage polarity detection function, MAX/MIN/AVG/ PEAK MAX/PEAK MIN value display, Low-pass filter function, Display value hold, Auto hold, Backlight, Auto power save, Buzzer sound, Zero-adjustment
Dustproof, waterproof
IP54 (Storage or measurement of current of an insulated conductor)
Power supply
LR03 Alkaline battery ×2
Continuous use: approx. 40 hr (without Z3210 installed), approx. 20 hr. (with Z3210 installed and using wireless communications)
Other conditions: 100 A AC measurement, backlight off, 23°C reference value
Core jaw diameter
φ34 mm (1.34 in)
Smallest dimension of jaw cross-section
9.5 mm (0.37 in) (Range value of 44 mm (1.73 in) from the tip of the jaw)
Dimensions and mass
65 mm (2.56 in) W × 242 mm (9.53 in) H × 35 mm (1.38 in) D mm, 350 g (12.3 oz)
Included accessories
Test Lead L9300, Carrying Case C0203, LR03 Alkaline battery ×2, Instruction Manual ×2, Operating Precautions ×1
