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Trifield Electromagnetic Meter 3-Axis EMF Detector – USA

  • Measures AC (artificial) magnetic fields rapidly. (Does not measure DC of static fields, such as the Earth Field. Click here for other magnetic meters).
  • Measures AC electric fields rapidly, such as from overhead power lines or improperly grounded equipment. Can locate wiring in walls (using the 100XE version).
  • Measures major RF/microwave sources such as leakage from microwave ovens, or the field near cell towers. (Note that wireless internet transmitters and individual cell phone are designed to emit very little power and usually are well below international RF exposure threshold. Consequently, the Trifield Meter will only detect these if very near the source.)
  • Detects the three types of electromagnetic pollution: AC magnetic fields, AC electric fields, and radio/microwaves.
  • AC magnetic and electric fields are 3-axis, allowing quick accurate readings regardless of meter orientation.
  • Two magnetic ranges cover 0.2-100 milligauss.
  • This is sufficiently sensitive to detect the background field almost anywhere (except far from civilization), while measuring up to very strong AC fields.
  • Electric range covers 5-1000 V/m (or .5-100 kV/m with original version of the Trifield Meter)
  • Radio/microwave covers 10 to 1000 microwatts/square cm which includes the maximum permissible public exposure levels in all countries.
  • Operates about 40 hours on replaceable standard 9V battery, has a low battery indicator.
  • Analog (needle-type) display has very fast response time compared to digital. (However, AlphaLab also manufactures digital meters.)
  • SPECIFICATIONS: Trifield Meter Model 100XE
  • AC Magnetic Fields:(3-axis; shows true magnitude)
  • Frequency Range:40 Hz – 100 KHz (see frequency weighting)
  • Accuracy @ 60 Hz (50 Hz):+/- 20% of reading
  • Range/Resolution (@ 60 Hz or 50 Hz):100 milligauss / 0.2 milligauss
  • Standard Version Frequency Weighting: *Sensitivity is proportional to frequency from 40 Hz to 500 Hz; flat from 500 Hz to 2000 Hz*Sensitivity is inversely proportional to frequency from 2K Hz to 100K Hz
  • Flat Frequency Version:+/- 20% from 50 Hz to 500 Hz; inverse frequency above 500 Hz
  • AC Electric Fields:(3-axis; however, note that E-field is affected by the body position)
  • Frequency Range:40 Hz – 100 K Hz (see frequency weighting)
  • Accuracy @ 60 Hz (50 Hz):+/- 30% of reading
  • Range/Resolution:1000 V/m / 5 V/m (Original Version: 100 KV/m / 0.5 KV/m)
  • Frequency Weighting:Same as magnetic (above).
  • Radio Microwave:1 Axis (detects E-field)
  • Frequency Range:50 MHz – 3000 MHz (3 GHz
  • )Range/Resolution:1 mW/cm2 / 0.01 mW/cm2
  • Accuracy:½ x to 2 x of reading
  • Meter Size:5.0 x 2.6 x 2.4 in; 129 x 67 x 62 mm
  • Weight:8 oz
  • Battery:9 volt alkaline (~ 40 hour life) / “Low Battery” indicator

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