AC/DC CLAMP METER CM4375
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Easily Get Into Tight Spaces
Innovative Jaw Provides Remarkable Accessibility
Inrush Current Measurement Accuracy Guaranteed
Key Features
- CAT IV 600 V, CAT III 1000 V
When using P2000: CAT III 2000 V, CAT IV 1000 V - Automatic AC/DC function helps boost work efficiency, Measure up to 1000 A
- Easily get into tight spaces between cables thanks to thin sensor structure
- Simultaneously measure inrush current in RMS and crest values
- Measure DC voltages of up to 2000 V (*1) for open voltage inspections of solar panels
- 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 P2000. The clamp meter itself is capable of measuring up to 1000 V DC.
- *2:Wireless Adapter Z3210 is necessary.
LKR 93,490
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Hioki clamp on meters are best-in-class measuring devices incorporating Hioki’s expertise in current sensing technology. The CM4375 is a 1000A 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 -25°C to 65°C operating temperature range and 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 1700 V (*1) is ideal for the clamp maintenance inspections of electrical and solar power equipment.
CAT IV 600 V, CAT III 1000 V
Made for Real-World Situations Uncompromising Design
Panel overcrowding is commonly found in many power distribution breakers and termination boxes. The newly designed thin sensor gets into even the most limited spaces. Eliminate the issues of trying to find the right wire or forcing the clamp around thick cables.
Damage-resistant jaws! Guaranteed for 30,000 open-close cycles
The new and improved design features stronger jaws (the current sensor portion of the instrument) and a dramatic boost in the duration of the warranty from 10,000 to 30,000 open-close cycles to ensure the instrument will provide even more years of reliable use. The CM4375, CM4376, CM4141 and CM4142 deliver the dual functionality of ease of clamping and resistance to damage.
Inrush (Rush current): Assess transient currents at motor startup
The CM4000 Series can simultaneously measure inrush current in RMS as well as maximum crest values at motor startup and for welding currents.
The clamp meters automatically detect the duration of the inrush current (which can range from several dozen milliseconds to several hundred milliseconds) and measure the current during that interval, enabling them to yield more accurate measurements than standard clamp-on meters whose measurement interval is fixed to 100 ms.
Use the inrush current feature for motor installation and maintenance to prevent circuit breakers from tripping, especially with high efficiency motors that have inrush current many times greater than the steady-state current of the motor.
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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: ±1.3% rdg. ±0.3 A (at 30.1 A – 900.0 A) |
| Crest factor | 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 | 0.0 VA to 1700 kVA (Automatically switched based on voltage range), Basic accuracy: ±2.0% rdg. ±20 dgt. |
| DC Voltage range | 600.0 mV to 1700 V (*1), 5 ranges, Basic accuracy: ±0.5% rdg. ±0.5 mV (at 600 mV) |
| AC Voltage range | 6.000 V to 1000 V, 5 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, 5 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) |
| 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 |
| Other functions | 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 | IP54 (Storage or measurement of current of an insulated conductor) |
| Interface | N/A |
| Power supply | LR03 Alkaline battery ×2, Continuous use: 40 hr (Backlight OFF) |
| 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, 330 g (11.6 oz) |
| Included accessories | Test Lead L9207-10, Carrying Case C0203, LR03 Alkaline battery ×2, Instruction Manual ×1 |
- *1:Your instrument can be used to measure voltages in excess of 1000 V DC if and only if both of the following conditions are satisfied:
- 1. The circuit under measurement is isolated from the commercial power grid.
- 2. The circuit under measurement is isolated from ground.
- e.g.: When measuring the no-load voltage of an ungrounded PV panel
- Do not use the instrument with circuits whose terminal-to-ground voltage exceeds 1000V. Doing so may result in electric s
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• Ergonomic over-molded body gives convenient one-hand operation
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• Accurate reading with True RMS
60/600/1000A auto-ranging
• Long battery life
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