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Chauvin Arnoux CA41 and CA43 fieldmeters

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The Chauvin Arnoux CA41 and CA43 electrical field measurement meters offer an efficient solution to Electromagnetic Compatibility (EMC) assessment. The instruments measure electrical fields and help seek out radiation sources. They can be used to determine the emissivity of radiant equipment or to measure an ambient field in a sensitive environment.

The CA43 has additional data logging and storage facility. Logged data can be downloaded via RS232 using the software supplied.

Product Features

  • 2 model types
  • Document downloads

Instrument product options

1. Select a model (2 available)

Continue to select accessories

2. Select accessories

3. Select a calibration

4. Request a quote



CA41 and CA43:

  • Wide electric field measurement
  • Large bandwidth and frequency range
  • Configurable alarm threshold (High & Low)
  • EF2A isotropic probe as standard
  • Compact size and light weight design
  • CA41 supplied with hard carry case and battery
  • CA43 supplied with hard carry case PC adaptor, software and battery


CA41 and CA43:

Electric field measurement range      0.1 V / m to 200 V / m

RF field power density      0.1 to 2 m W / cm2

Bandwidth and frequency range      100 kHz to 2.5 GHz

Accuracy      0.7 V / m to 2 dB depending on range

Sensor      Isotropic

Crest      > 1 ms peak measurement

Data output      Analogue (CA41), digital optical RS232 (CA43)

Dimensions      216 mm x 72 mm x 37mm

Weight      350 g



CA 41 and CA 43 fieldmeters data sheet

  • Technical Document
  • PDF file
  • 6 MB

CA 41 fieldmeter user manual

  • Technical Document
  • PDF file
  • 5 MB

CA 43 fieldmeter user manual

  • Technical Document
  • PDF file
  • 2 MB
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