Hioki AC/DC CLAMP METER CM4373

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Hioki AC/DC CLAMP METER CM4373

Hioki clamp meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CM4373 is a 2000A True RMS clamp meter that features stronger jaws, broader -25℃ to 65℃ operating temperature range and IP54 dustproof and waterproof enclosure to enable professionals to work quickly in tough 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 1700 V is ideal for the clamp maintenance inspections of electrical and solar power equipment.

Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)

DC Current 600.0 A/2000 A, Basic accuracy: ±1.3% rdg. ±3 dgt.
AC Current 600.0 A/2000 A (10 Hz to 1 kHz, True RMS), Basic accuracy: ±1.3% rdg. ±3 dgt.
DC Voltage 600.0 mV to 1500 V, 5 ranges, Basic accuracy: ±0.5% rdg. ±3 dgt.
AC Voltage 6.000 V to 1000 V, 4 ranges (15 Hz to 1 kHz, True RMS), Basic accuracy: ±0.9% rdg. ±3 dgt.
DC+AC Current 600.0 A/2000 A (10 Hz to 1 kHz, True RMS), Basic accuracy: ±1.3% rdg. ±13 dgt.
DC+AC Voltage 6.000 V to 1000 V, 4 ranges, Basic accuracy: ±1.0% rdg. ±7 dgt.
Resistance 600.0 Ω to 600.0 kΩ, 4 ranges, Basic accuracy: ±0.7% rdg. ±5 dgt.
Electrostatic capacity 1.000 μF to 1000 μF, 4 ranges, Basic accuracy: ±1.9% rdg. ±5 dgt.
Frequency 9.999 Hz to 999.9 Hz, Basic accuracy: ±0.1% rdg. ±1 dgt.
Continuity check Continuity threshold [ON]: 25Ω±10 Ω (Buzzor sound, red LED), Continuity threshold [OFF]: 245 Ω±10 Ω, Response time: 0.5 ms or more
Diode Open terminal voltage: DC2.0 V or less, Short-circuit current: 200 μA, forward connection: 0.15 V to 1.8 V
Temperature (K) -40.0 to 400.0 ˚C, add temperature probe accuracy to basic accuracy of ±0.5% rdg. ±3.0 ˚C
Voltage detection Hi: 40 V to 600 V AC, Lo: 80 V to 600 V AC, 50/60 Hz
DC Power Display range switching: 0.000 VA to 3400 kVA, Accuracy: ±2.0% rdg. ±20 dgt.
Crest factor [600.0 A range] 500.0 A or less: 3; greater than 500.0 A and less than or equal to 600.0 A: 2.5
[2000 A range] 1000 A or less: 2.84; greater than 1000 A and less than or equal to 2000 A: 1.42
Other functions Automatic AC/DC detection, Plus/Minus judgement function of DC A, DC V, Max/Min/Average/PEAK MAX/ PEAK MIN value display, Filter function, Display value hold, Auto hold, Back light, Auto-power save, Buzzer sounds, Zero-adjustment
Dustproof, waterproof Grip: IP54 (when measuring an insulated conductor only), Jaw (the current sensor portion of the instrument)/ barrier: IP50 *Risk of electric shock from the conductor being measured increases when wet.
Display Update rate: 5 times/s (excluding electrostatic capacity, frequency, and temperature)
Power supply LR03 Alkaline battery ×2, Continuous use 45 hr (Backlight OFF)
Core jaw diameter 92 mm (3.62 in) W×18 mm (0.71 in) D, φ55 mm (2.17 in)
Dimensions and mass 65 mm (2.56 in) W×250 mm (9.84 in) H×35 mm (1.38 in) D mm, 530 g (18.7 oz)
Accessories TEST LEAD L9207-10, CARRYING CASE C0203, LR03 Alkaline battery ×2, Instruction Manual ×1
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  • Hioki AC/DC CLAMP METER CM4373