Hioki
Hioki CM4373-50
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Find on AmazonModel: CM4373-50
CM4373-50 standalone, wireless adapter not included
Important limit: DC voltage above 1000 V needs the optional P2010 high-voltage probe
Confirm condition, quantity and included accessories on the retailer’s listing.
Compare versions and packagesSpecifications checked November 5, 2026. Full product details
Test Lead L9300, Carrying Case C0203, 2x LR03 alkaline batteries, instruction manual ×2, operating precautions
Hioki CM4373-50 AC/DC Clamp Meter (2000 A)
A True RMS 2000 A AC/DC clamp meter with IP54 storage protection and a wide range of DMM functions, aimed at EV, solar and heavy-equipment maintenance work.
Recorded product: CM4373-50 standalone, wireless adapter not included.
Meter plus the DC High Voltage Probe P2010 and Wireless Adapter Z3210.
Solar work needing 2000 V DC open-voltage checks.
These are different products. Check their specifications separately.
Meter only; the Wireless Adapter Z3210 is not included.
Buyers who only need a clamp meter without wireless logging.
Same meter with the Z3210 Bluetooth adapter in the box.
Buyers who want app logging and Excel direct input.
Purchase links appear where the exact offer is verified. Confirm the named model, quantity and accessories before ordering.
| 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 (600 A range) |
| DC+AC current range | 600.0 A / 2000 A (10 Hz to 1 kHz, True RMS) |
| DC voltage range | 600.0 mV to 1000 V; with optional probe P2010, 600.0 V to 2000 V |
| AC voltage range | 6.000 V to 1000 V, 4 ranges (15 Hz to 1 kHz, True RMS) |
| Resistance range | 600.0 Ω to 6.000 MΩ, 5 ranges |
| Capacitance range | 1.000 μF to 1000 μF, 4 ranges |
| Frequency range | 9.999 Hz to 999.9 Hz, 3 ranges |
| Temperature (K) | -40.0 to 400.0 °C with optional K-type probe |
| Inrush current | Simultaneously measures RMS and crest values at motor startup; the meter detects the inrush duration itself |
| Crest factor | 600.0 A range: 3 or less; 2000 A range: 2.84 or less |
| Other functions | DC power, continuity check, diode check, automatic AC/DC detection, Max/Min/Average/PEAK MAX/PEAK MIN display, low-pass filter, display hold, auto hold, backlight, auto power save, buzzer, zero adjustment |
| Harmonic analysis | Voltage/current harmonic levels up to 30th order with the optional Z3210 wireless adapter and the free GENNECT Cross app |
| Wireless | Bluetooth via optional Wireless Adapter Z3210; transfers readings to a smartphone or tablet, or directly into an Excel template |
| Dustproof and waterproof | IP54 while in storage; IP20 during voltage measurement in completely dry conditions with the jaw closed |
| Power supply | 2x LR03 alkaline batteries; 40 hours continuous use (24 hours with Z3210 wireless in use) |
| Core jaw diameter | φ55 mm (2.17 in); jaw 92 mm W × 18 mm D |
| Dimensions and mass | 65 mm W × 250 mm H × 35 mm D, 530 g (18.7 oz) |
| Included accessories | Test Lead L9300, Carrying Case C0203, 2x LR03 alkaline batteries, instruction manual ×2, operating precautions |
From manufacturer documentation, checked November 5, 2026. Spotted an error? Tell us.
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