HIOKI CM4373 AC/DC CLAMP METER

SPECIFICATIONS HIOKI CM4373 AC/DC CLAMP METER

Measurement Specifications

DC Current range: 600.0 A/2000 A, Basic accuracy: ±1.3% rdg. ±0.3 A (600 A range)

AC Current range: 600.0 A/2000 A (10 Hz to 1 kHz, True RMS), Basic accuracy: ±1.3% rdg. ±0.3 A (at 600 A)

Crest factor:

600.0 A range: 3 or less,

2000 A range: 2.84 or less

DC+AC Current range: 600.0 A/2000 A (10 Hz to 1 kHz, True RMS), Basic accuracy DC, 45-66 Hz: ±1.3% rdg. ±1.3 A (at 600 A)

DC Voltage range: 600.0 mV to 1500 V (*1), 5 ranges, Basic accuracy: ±0.5% rdg. ±0.5 mV (at 600 mV)

AC Voltage range: 6.000 V to 1000 V, 4 ranges (15 Hz to 1 kHz, True RMS), Basic accuracy 45 – 66 Hz: ±0.9% rdg. ±0.013 V (at 6 V)

DC+AC Voltage range: 6.000 V to 1000 V, 4 ranges, Basic accuracy DC, 45 – 66 Hz: ±1.0% rdg. ±0.023 V (at 6 V)

Resistance range: 600.0 Ω to 600.0 kΩ, 4 ranges, Basic accuracy: ±0.7% rdg. ±0.5 Ω (at 600 Ω)

Capacitance range: 1.000 μF to 1000 μF, 4 ranges, Basic accuracy: ±1.9% rdg. ±0.005 μF (at 1 μF)

Frequency range: 9.999 Hz to 999.9 Hz, 3 ranges, Basic accuracy: ±0.1% rdg. ±0.003 Hz (at 9.999 Hz)

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

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

General Specifications

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.

Power supply: LR03 Alkaline battery ×2, Continuous use 45 hr (Backlight OFF)

Core jaw diameter:  φ55 mm (2.17 in), Jaw dimension: 92 mm (3.62 in) W×18 mm (0.71 in) D

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

Introduction Hioki 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 (*1) is ideal for the clamp maintenance inspections of electrical and solar power equipment.

CAT IV 600 V, CAT III 1000 V

Key Features: Hioki CM4373

– Multiple measurement functions such as current, voltage, resistance, frequency, and voltage detection

– Simultaneously measure inrush current in RMS and crest values

– Damage-resistant jaws (current sensor) provide even more years of reliable use.

– Expanded -25 °C to 65 °C operating temperature range

– IP54 dustproof and waterproof enclosure *Jaws (current sensor portion): IP50

– Automatic AC/DC function helps boost work efficiency

– Remain alert to hazards with a red backlight and beeping tone

– Measure DC voltages of up to 1700 V

Hioki Brand

Established in 1935, HIOKI E.E. CORPORATION (TSE: 6866) has grown to become a world leader in providing consistent delivery of test and measuring  instruments through advanced design, manufacturing, and sales and services. By offering over 200 main products characterized by safety andquality while meeting an expansive range of applications, we aim to contribute to the efficiency and value of our customers’ work in research and development, production and electrical maintenance.