Hioki CM4373-50 AC/DC Clamp Meter Slim Jaw Model
Hioki clamp meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CM4373-50 is a 2000 A True RMS clamp meter that features stronger jaws, 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 2000 V (*1) is ideal for the clamp maintenance inspections of electrical and solar power equipment.
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Key Features
• CAT IV 600 V, CAT III 1000 V
• When using P2000: CAT III 2000 V, CAT IV 1000 V
• Measure DC voltages of up to 2000 V (*1) for open voltage inspections of solar panels
• Simultaneously measure inrush current in RMS and crest values
• Easily transfer measurement data to your smartphone or tablet by using our free app GENNECT Cross or to an Excel® file (*2)
• Harmonic analysis from 1st to 30th order with GENNECT Cross (*2)
• Automatic AC/DC function helps boost work efficiency
| 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 45 – 66 Hz: ±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 1000 V (When using P2000: 600.0 V to 2000 V) |
| 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. ±0.003 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. ±0.013 V (at 6 V) |
| Resistance range | 600.0 Ω to 6.000 MΩ, 5 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 |
| Harmonic levels | [With Z3210 installed] Voltage/Current harmonic levels up to 30th, Content factor, Total harmonic distortion ratio *Harmonics can be displayed with our free app GENNECT Cross. |
| Other functions | DC power, Continuity check, Diode check, Automatic AC/DC detection, Pass/fail judgement function of DC A and DC V, Max/Min/Average/PEAK MAX/ PEAK MIN value display, Low-pass filter function, Display value hold, Auto hold, Back light, Auto-power save, Buzzer sounds, Zero-adjustment, etc. |
| Dustproof, waterproof | IP54 (While in storage, or when measuring the current an insulated conductor. Do not use when wet.) |
| Power supply | LR03 Alkaline battery ×2 Continuous use: 40 hr (without Z3210 installed), 24 hr. (with Z3210 installed and using wireless communications) Other conditions: 100 A AC measurement, backlight off, 23°C reference value |
| 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) |
| Included accessories | Test Lead L9300, Carrying Case C0203, LR03 Alkaline battery ×2, Instruction Manual×2, Operating Precautions ×1 |
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