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Extech Electro-Magnetic Field Meter Triple Axis (480826) Remote Probe

Model #: 480826

Condition: New

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The Extech 480826 EMF tester is a battery powered hend-held meter that measures and displays EMF in Gauss and Tesla units with a frequency bandwidth of 30 to 300Hz. The Extech 480826 EMF tester has three axis sensors allows for three component (XYZ) measurement coverage.

The Extech 480826 EMF tester is specifically designed to determine the magnitude of electromagnetic fields generated by power lines, computers electric appliances, televisions, and many other similar devices. The Extech 480826 EMF tester is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.

The triple axis Extech 480826 EMF tester comes complete with sensor with 3ft (930mm) cable, 9V battery, and hard carrying case.

  • Triple Axis EMF Tester ( X, Y, Z direction) electromagnetic field measurement
  • The EMF tester is designed to provide user a quick, reliable and easy way to measure electromagnetic field radiation levels around power lines, electrical appliances and industrial devices
  • Wide measuring ranges (3 ranges of µTesla or mGauss)
  • The EMF tester is a cost effective, hand-held instrument designed and calibrated to measure electromagnetic field radiation at wide bandwidths from 30 Hz to 300 Hz
  • Big digit LCD display
  • Data hold to freeze a displayed reading
  • Easy to use remote probe


Unit Range Resolution Basic Accuracy
µTesla 20µTesla 0.01 ±(4% + 3d)
2,00µTesla 0.1 ±(5% + 3d)
20,00µTesla 1.0 ±(10% + 5d)
mGauss: 200mGauss 0.01 ±(4% + 3d)
2,000mGauss 0.1 ±(5% + 3d)
20,000mGauss 1.0 ±(10% + 5d)

NOTE: 1 µTesla = 10 mGauss

  • Axis: (3) X, Y and Z direction
  • Bandwidth: 30 to 300Hz
  • Sampling time: approx. 0.4 seconds
  • Power: 1 9v battery
  • Power Consumption: approx. DC 2.7mA
  • Dimensions:
    • Meter: 7.6" x 2.6" x 1.2" (195 x 68 x 30mm)
    • Probe: 2.8" x 2.3" x 8.7" (70 x 58 x 220mm)
    • Cable length: 36"
  • Weight: 16.2 oz (460g) including probe & battery

Supplied with:

  • Remote sensor with 3ft (930mm) cable
  • 9V battery
  • Hard carrying case
  • Instruction manual
  • 1 year limited manufacturer's warranty

Download Users Manual (PDF format)

The effect of EMF exposure is a modern day concern. At the time of this writing, to the best of our knowledge, no standards or recommendations exist regarding limits of EMF exposure. Exposure limits of 1 to 3mG have been suggested by several international bodies. Until evidence suggests that there is not a health risk associated with EMF exposure, common sense would dictate that a practice of minimal exposure be exercised.

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