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Sensor Type
Tool Type
Electromagnetic Field (EMF) Detector
Auto-Shut Off
Battery Operated
LCD Display
Ease of Installation
Beginner (Installs < 10 minutes)
Extech Instruments
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Protect Yourself from Radiation and Electromagnetic Fields
Extech Instruments 480826 Triple Axis Electromagnetic Field Tester
Extech Instruments 480826 Triple Axis Electromagnetic Field Tester
Extech Instruments 480826 Triple Axis Electromagnetic Field Tester
Item# 90214
Price: Normally $309.99 
Hot Deal $255.28
Free shipping on orders over $175 - See Details


  • Three axis EMF measurement
  • Ideal for EMF measurements around power lines and electrical appliances
  • Wide measuring ranges (3 ranges of µTesla or mGauss)
  • Big digit LCD display for easy reading

Essential Info

The Extech 480826 Electromagnetic Field (EMF) Meter is a battery powered meter that measures and displays EMF in Gauss and Tesla units with a frequency bandwidth of 30 to 300Hz. The 3 axis sensor allows for three component (xyz) measurement coverage. This EMF Meter is specifically designed to determine the magnitude of electromagnetic fields generated by power lines, computers, electric appliances, televisions and many other similar devices. This meter is shipped fully tested and calibrated, with proper use, will provide years of reliable service.

  • Three axis (X, Y, Z direction) electromagnetic field measurement
  • Provides a quick and reliable measurement of electromagnetic field radiation
  • Wide ranges (3 ranges of µTesla or mGauss)
  • Calibrated to measure EMF radiation at wide bandwidths from 30Hz to 300Hz
  • Big digit LCD display
  • Data hold freezes reading on display
  • Easy to use remote probe
  • Record/Recall MIN, MAX readings

  • Manuals/Software

    What's Included

    1x - EMF Sensor
    1x - 3 Foot Cable
    1x - 9V Battery
    1x - Hard Carrying Case


    ManufacturerExtech Instruments
    Manufacturer Product No480826
    Display3-1/2 digit (2000 count) LCD
    Ranges and Resolution20µTesla (0.01) and 200mGauss (0.1)
    200µTesla (0.1) and 2000mGauss (1)
    2000µTesla (1) and 20,000mGauss (10)
    NOTE: 1µTesla=10 mGauss
    Accuracy (for 50/60Hz)± (4%FS + 3 digits) for 20µTesla and 200mGauss ranges
    ± (5%FS + 3 digits) for 200µTesla and 2000mGauss ranges
    Frequency Bandwidth30 to 300Hz
    Operating Temperature32 to 122°F (0 to 50°C)
    HumidityRH: 90% max. from 32 to 95°F (0 to 35°C)
    80% max. from 95 to 122°F (35 to 50°C)
    Power Source9V Battery (included)
    Power ConsumptionApprox. 2.7mA DC
    DimensionsMeter: 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)
    Sensor Cable Length3 Feet (1 Meter)
    Weight16.2 Ounces (460g) Including Probe and Battery
    Important notes:
    Only defective exchanges for identical item within 30 days of purchase. No other returns allowed on this item. For defective returns after 30 days, please contact the manufacturer.
    Manufacturer contact information: Extech Instruments Corp, Tel: (781) 890-7440 Ext 200



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