Electromagnetic Field Meter

Reed GU-3001 Electromagnetic Field Meter

REED GU-3001 Electromagnetic Field Meter

This EMF meter detects DC and AC magnetic fields. It measures in milliGauss (mG) or microTesla(µT)

This Electromagnetic Field (EMF) Meter measures both AC and DC magnetic field in milliGauss and microTesla with a uniaxial Hall effect sensor. Optional accessories include a tripod and AC adapter for continuous long-term monitoring. Optional PC software also allows a user to track live measurements.


  • Measures AC and DC magnetic fields milliGauss (mG) or microTesla (µT)
  • N pole/ S pole indicator
  • Data hold and Max/Min functions
  • Zero adjustment button for relative measurements
  • Large, easy-to-read LCD display
  • Optional PC software features live tracking via USB connection
  • Tripod mount for long-term monitoring
  • Low battery indicator and auto shut off

REED GU-3001 Specifications

Measuring Ranges -3000 to 3000mG, -300 to 300µT
Frequency Response AC/DC: 40Hz to 10KHz
Sensor Type Uniaxial magnetic probe
Accuracy ±(2% + 2mG)
Resolution -199.9 to 199.9mG: 0.1mG
≥200 or ≤-200mG: 1mG
-19.9 to 19.9µT: 0.01µT
≥20 or ≤-20µT: 0.1µT
General Specifications
Display 4-Digit LCD Display
Data Hold Yes
Min Yes
Max Yes
Sampling Time Approx. 1 sec
Auto Shut-off Yes (after 10 mins/off)
Kick Stand Yes
Tripod Mountable Yes
Low Battery Indicator Yes
Power Supply 6 x AAA batteries or AC Adapter (optional)
PC Connectivity USB Cable (optional)
Software   SW-U801-WIN Software (optional)
Software OS Compatability Windows XP / Vista / 7
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature 14 to 140°F (-10 to 60°C)
Operating Humidity Range 10-80%
Dimensions Meter: 6.8 x 2.7 x 1.7" (173 x 68 x 42mm)
Probe: 7 x 1.1 x 0.7" (177 x 29 x 17mm)
Weight Meter: 12.3oz (350g)
Probe: 2.8oz (78g)
Other products by Reed Instruments

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GU-3001Electromagnetic Field Meter
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