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Home > DETECT * PROFESSIONAL >
Measuring EMFs in
ELECTRICAL ENVIRONMENTS






ELF-3851A
- ELF and VLF Monitor 5Hz-100kHz


This meter meets all TCO requirements for AC Electric and Magnetic Field measurements. Tremendous sensitivity and highly linear over 4 selectable frequency ranges which allows for determination of ELF compared to VLF readings, ultra-low frequencies down to 5 Hz, and a special filter for 16 Hz typically associated with electric trains.

Includes both an AC voltage output (to analyze frequency information or use a headset to hear the corresponding audio frequencies) and a DC output (for long term monitoring with a recording device), Geiger counter style audio output, auto power off, and integrated battery check.

Frequency range choices:
  • 5 Hz 100 kHz (full bandwidth)
  • 16 Hz (electric trains)
  • 50 Hz 100 kHz (ELF + VLF)
  • 2 kHz 100 kHz (VLF only)
Display Range: AC Magnetic
Range 1: 0-200 nT (2 mG)
Resolution 1: 0.1 nT (0.001 mG)
Range 2: 0-2000 nT (20 mG)
Resolution 2: 1 nT (0.01 mG)
Accuracy: 2%

Display Range: AC Electric
Range 1: 0-200 V/m
Resolution 1: 0.1 V/m
Range 2: 0-2000 V/m
Resolution 2: 1 V/m
Accuracy: 2%

Other features:
  • Single axis 3 digit LCD display
  • Power consumption: 15-20 mA.
  • Power: 8-hour rechargeable 9V battery (standard size) included, AC power supply/charger, and ground cord.
  • Manual in English and German.
  • Two-year warranty.


Price: 341.00
excl. VAT (Rest of the World)

409.20
incl. VAT (our United Kingdom customers)

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