HIOKI CM4373 AC/DC CLAMP METER is the 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.
CAT IV 600 V, CAT III 1000 V
Key Features
• 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
Basic Specifications
DC Current : 600.0 A/2000 A, Basic accuracy: ±1.3% rdg. ±0.3 A (600 A range)
AC Current : 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 : 600.0 A/2000 A (10 Hz to 1 kHz, True RMS), Basic accuracy: ±1.3% rdg. ±1.3 A (at 600 A)
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 Voltage : 6.000 V to 1000 V, 4 ranges, Basic accuracy: ±1.0% rdg. ±7 dgt.
Resistance : 600.0 O to 600.0 kO, 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.
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
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 : 92 mm (3.62 in) W×18 mm (0.71 in) D, f55 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