Tenmars TM-191 EMF Meter


The Tenmars TM-191 EMF Meter measures electromagnetic fields of extremely low frequencies (ELF) of 30Hz to 300Hz. It is capable of measuring the electromagnetic field radiation intensity that is produced fro electric transmission equipment, and power lines.


  • Switch between the display of Micro-Tesla and Mini-Gauss is available.
  • Data Hold (HOLD), Bmaximum (MAX) HOLD function.
  • Range display (20, 200, 2000).
  • Low battery and Overload indication.

Authorised Australian Distributor


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SKU: TENMARS TM-191 Categories: , Tags: ,

Tenmars TM-191 EMF Meter Applications

  • Instrument is capable of measuring the electromagnetic field radiation intensity that is produced from electric transmission power line equipment.
  • Useful in servicing microwave ovens, air conditioners, refrigeration equipment, computer monitors, and video/audio devices.

Magnetic Field Units

  • Tesla (T), Gauss (G), mini-Gauss (mG), or micro-Tesla (µT)
  • 1T = 10000G, 1µT = 10mG, 1G = 1000mG
Tenmars TM-191 EMF Meter Specifications
Display 3-1/2 digit LCD, maximum reading 1999
Measuring Range 200mG, 2000mG, 20µT, 200µT
Resolution 0.1mG, 1mG, 0.01µT, 0.1µT
Frequency Response 30Hz to 300Hz
Sensor Single Axis
Accuracy ±(2.5% + 6dgt) at 50/60Hz
Sample Rate 2.5 times/second
Power Supply Battery 9 volt, NEDA 1604, IEC 6F22, or JIS 006P
Battery Life 200 hours Approx.
Operating Temperature/Humidity 5°C to 40°C, Humidity below 80% R.H.
Dimensions 130mm (L) x 56mm (W) x 38mm (D)
Weight 180g Approx.
Ordering Information
Model Name Description
Tenmars TM-191 EMF Meter
Included accessories: User’s manual, 9 volt battery and carrying case
Weight .5 kg


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