BENNING CM 2-1
The BENNING CM 2-1 is a digital clamp multimeter for measurements on electrical installations and other professional tasks where measurements need to be taken without breaking the circuit. With the current clamp, you can measure AC and DC current directly around a conductor, and the instrument can also be used for general voltage, resistance, and function measurements.
This makes it practical for quick and safe troubleshooting, service, and control. It measures current from 10 mA to 400 A and AC/DC voltage from 100 µV to 600 V. The TRUE RMS function is relevant when the signal is not perfectly clean and sinusoidal, as it makes the measurement more reliable. Additionally, it features continuity testing, diode testing, capacitance measurement, frequency measurement, and memory functions such as HOLD, MAX/MIN, and ZERO.
A few details are worth noting for practical use. The jaw opening is 27 mm, allowing it to enclose many common conductors, and the 800 Hz low-pass filter is designed for pulsed motor drives. AutoV makes it easier to detect whether AC or DC voltage is being measured, and the non-contact voltage indicator with LCD/buzzer helps with quick checks of live conductors.
As a measuring instrument, it is specified for an accuracy of 0.5% and with measurement categories CAT IV 300 V and CAT III 600 V.
Typical Applications
- Troubleshooting electrical installations
- Control measurements in service and maintenance
- Measuring current on conductors without interrupting the installation
- Testing voltage, continuity, diodes, resistance, frequency, and capacitance
Specifications
- Manufacturer: BENNING
- MPN: 044689
- TRUE RMS digital clamp multimeter
- AC/DC Current: 10 mA to 400 A
- AC/DC Voltage: 100 µV to 600 V
- Resistance: up to 40 MΩ
- Frequency: 0.01 Hz to 50 kHz
- Capacitance: 1 nF to 10 mF
- Continuity test and diode test
- HOLD, MAX/MIN, and ZERO
- Jaw opening: 27 mm
- Basic accuracy: 0.5%
- Measurement category: CAT IV 300 V and CAT III 600 V
- AutoV for automatic AC/DC voltage detection
- Low-pass filter (HFR 800 Hz) for pulsed motor drives
- Non-contact voltage sensor with LCD/buzzer
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