Benning 044684 | CM E1 earthing clamp for earth loop resistance & leakage current measurement

Manufacturer number: 044684

BENNING 044684 | CM E1, TRUE RMS earthing clamp for earth loop resistance and leakage current measurement.

  • Display range: 9,999
  • Basic accuracy: 1%
  • Current AC: 0.3 A… 35 A
  • Resistance: RE loop 0.025 Ω - 1500 Ω
  • Memory / data logger: HOLD, REC (116 measured values)
  • Measuring method: TRUE RMS
  • Pliers opening max .: 38 mm
  • Measurement category: CAT III 300 V

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Technical Data

Description

044684 | CM E1 earthing clamp for earth loop resistance & leakage current measurement

The Benning TRMS earthing clamp enables you to measure the earth loop resistance RE on multi-earthed earthing systems as well as the measurement of leakage, leakage and load currents from 0.3 mA - 35 A using the TRUE RMS measurement method.

Industrial environments in particular require TRUE RMS measuring instruments for the precise and signal form independent display of the measured values.

The CM E1 measuring clamp has an excitation winding and sensor winding. The excitation winding induces a current flow in the enclosed earth conductor via a constant alternating voltage U (f = 3.333 kHz). The sensor winding measures the induced current flow. The CM E1 measures (calculates) the resistance of the entire earth loop Rs = U / I.

This spikeless ground measurement offers you several advantages. It is not necessary to disconnect the earth conductor or set probes / auxiliary earth electrodes. The measurement can therefore be carried out both quickly and safely for the tester and the electrical system.

Typical fields of application are electrical systems with parallel ground connections, overhead line networks with Masterder, lightning protection systems on buildings, street lighting, telecommunications and wind energy.

Product features:

  • Precise thanks to TRUE RMS true RMS measurement method
  • Optical and acoustic alarm function if the earth resistance is too high
  • Large measuring clamp diameter of 38 mm
  • Measured value memory / data logger for 116 measurements
  • Automatic calibration during start-up
  • Measurement category CAT III 300 V
  • Supplied in a robust protective case and reference resistance loop

Lieferumfang

  • BENNING CM E1
  • Carrying case with shoulder strap
  • Reference resistance loop
  • 9 V block battery (IEC 6 LR61)
  • operation manual

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About the Manufacturer

Benning
Benning today offers a comprehensive range of high-quality testing, measuring, and safety devices that meet the standards and practical needs of professional users. The high quality standards of these devices are designed to meet the requirements of professional users.

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