Hioki CM4375-50 AC/DC CLAMP METER
True RMS 1000 A AC/DC Clamp Meter
Easily Get Into Tight Spaces - Innovative Jaw Provides Remarkable Accessibility
Key Features and Functions
- CAT IV 600 V, CAT III 1000 V
- When using P2010: CAT III 2000 V, CAT IV 1000 V
- Easily get into tight spaces between cables thanks to thin sensor structure
- Measure DC voltages of up to 2000 V (*1) for open voltage inspections of solar panels
- Automatic AC/DC function helps boost work efficiency, Measure up to 1000 A
- 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)
*1:When using the optional DC High Voltage Probe P2010. The clamp meter itself is capable of measuring up to 1000 V DC.
*2:Wireless Adapter Z3210 is necessary.
Documents and Software:
Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CM4375-50 is a 1000 A AC/DC True RMS clamp meter that features a uniquely designed slim jaw that lets you easily get into the narrow gaps between cables in crowded electrical distribution boxes without fear of damaging the cables or the clamp meter. The broad IP54 dustproof and waterproof enclosure to enable professionals to work quickly in challenging 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 inspection of solar PV system.
Basic specifications
DC Current range | 1000 A, (Max. display 999.9 A) , Basic accuracy: ±1.3% rdg. ±0.3 A (at 30.1 A - 999.9 A) |
AC Current range | 1000 A (Max. display 999.9 A, 10 Hz to 1 kHz, True RMS), Basic accuracy 45-66 Hz: ±1.8% rdg. ±0.3 A (at 30.1 A - 900.0 A) |
Crest factor | 1000 A range: 1.5 |
DC+AC Current range | 1000 A (DC, 10 Hz to 1 kHz, True RMS), Basic accuracy DC, 45-66 Hz: ±1.3% rdg. ±1.3 A (at 30.1 A - 900.0 A) |
DC Power range | 0.000 kVA to 1000 kVA (When using P2010: 0 kVA to 2000 kVA) (Automatically switched based on voltage range), Basic accuracy: ±2.0% rdg. ±20 dgt. |
DC Voltage range | 600.0 ?V to 1000 V (When using 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), 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) |
Electrostatic capacity 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°C to 400.0°C, add temperature probe accuracy to basic accuracy of ±0.5% rdg. ±3.0°C |
Harmonic levels | [With Z3210 installed] Voltage/Current harmonic levels up to 30th, Content factor, Total harmonic distortion ratio |
Other functions | Continuity check, Diode check, Automatic AC/ DC detection, DC current and DC voltage polarity detection function, MAX/MIN/AVG/ PEAK MAX/PEAK MIN value display, Low-pass filter function, Display value hold, Auto hold, Backlight, Auto power save, Buzzer sound, Zero-adjustment |
Dustproof, waterproof | IP20 (Voltage measurement in a completely dry condition. When jaw closes) |
Power supply | LR03 Alkaline battery ×2 |
Core jaw diameter | φ34 mm (1.34 in) |
Smallest dimension of jaw cross-section | 9.5 mm (0.37 in) (Range value of 44 mm (1.73 in) from the tip of the jaw) |
Dimensions and mass | 65 mm (2.56 in) W × 242 mm (9.53 in) H × 35 mm (1.38 in) D mm, 350 g (12.3 oz) |
Included accessories | Test Lead L9300, Carrying Case C0203, LR03 Alkaline battery ×2, Instruction Manual ×2, Operating Precautions ×1 |
Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CM4375-50 is a 1000 A AC/DC True RMS clamp meter that features a uniquely designed slim jaw that lets you easily get into the narrow gaps between cables in crowded electrical distribution boxes without fear of damaging the cables or the clamp meter. The broad IP54 dustproof and waterproof enclosure to enable professionals to work quickly in challenging 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 inspection of solar PV system.
Basic specifications
DC Current range | 1000 A, (Max. display 999.9 A) , Basic accuracy: ±1.3% rdg. ±0.3 A (at 30.1 A - 999.9 A) |
AC Current range | 1000 A (Max. display 999.9 A, 10 Hz to 1 kHz, True RMS), Basic accuracy 45-66 Hz: ±1.8% rdg. ±0.3 A (at 30.1 A - 900.0 A) |
Crest factor | 1000 A range: 1.5 |
DC+AC Current range | 1000 A (DC, 10 Hz to 1 kHz, True RMS), Basic accuracy DC, 45-66 Hz: ±1.3% rdg. ±1.3 A (at 30.1 A - 900.0 A) |
DC Power range | 0.000 kVA to 1000 kVA (When using P2010: 0 kVA to 2000 kVA) (Automatically switched based on voltage range), Basic accuracy: ±2.0% rdg. ±20 dgt. |
DC Voltage range | 600.0 ?V to 1000 V (When using 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), 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) |
Electrostatic capacity 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°C to 400.0°C, add temperature probe accuracy to basic accuracy of ±0.5% rdg. ±3.0°C |
Harmonic levels | [With Z3210 installed] Voltage/Current harmonic levels up to 30th, Content factor, Total harmonic distortion ratio |
Other functions | Continuity check, Diode check, Automatic AC/ DC detection, DC current and DC voltage polarity detection function, MAX/MIN/AVG/ PEAK MAX/PEAK MIN value display, Low-pass filter function, Display value hold, Auto hold, Backlight, Auto power save, Buzzer sound, Zero-adjustment |
Dustproof, waterproof | IP20 (Voltage measurement in a completely dry condition. When jaw closes) |
Power supply | LR03 Alkaline battery ×2 |
Core jaw diameter | φ34 mm (1.34 in) |
Smallest dimension of jaw cross-section | 9.5 mm (0.37 in) (Range value of 44 mm (1.73 in) from the tip of the jaw) |
Dimensions and mass | 65 mm (2.56 in) W × 242 mm (9.53 in) H × 35 mm (1.38 in) D mm, 350 g (12.3 oz) |
Included accessories | Test Lead L9300, Carrying Case C0203, LR03 Alkaline battery ×2, Instruction Manual ×2, Operating Precautions ×1 |