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REED GU-3001 Electromagnetic Field (EMF) Meter

Model: GU-3001

REED GU-3001 Electromagnetic Field (EMF) Meter-

Downloads: manual datasheet
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Measures AC and DC magnetic fields in milliGauss (mG) or microTesla (µT).

REED GU-3001 Offers

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
  • 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 AAA Batteries or AC Adapter (optional)
PC Connectivity USB Cable (optional)
Software   SW-U801-WIN Software (optional)
Software OS Compatibility 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)

What's included with the REED GU-3001

  • Electromagnetic Field Meter
  • Hard Carrying Case
  • Uniaxial Magnetic Probe
  • Batteries

Ideal Applications for the REED C-383

  • Microwave oven
  • Air conditioner
  • Refrigeration
  • Computer monitor
  • Video/Audio device

Click on a category to view a selection of compatible accessories with the REED GU-3001 Electromagnetic Field (EMF) Meter.

REED CA-05A Medium Soft Carrying Case

Model: CA-05A

Features a main instrument compartment and a side pouch for accessories.

REED AP-9VA-110V AC Adapter

Model: AP-9VA-110V

For use with REED SD Series Dataloggers and Scales.

REED SW-U801-WIN Data Acquisition Software

Model: SW-U801-WIN

For use with REED SD Series Dataloggers, GU-3001 and TQ-8800.


Model: USB-01

For use with the REED SD Series Dataloggers, GU-3001 and TQ-8800.

REED R1500 Lightweight Tripod

Model: R1500

Expandable up to 56" and features an add-on adapter capable of mounting instruments without a tripod mount. The R1500 is a convenient accessory for any data logging instrument setup for long-term continuous monitoring.

Calibration Lab
When you purchase a REED product it comes included with a one year warranty. We back our products.