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Tenmars TM-194 Microwave Oven Leakage Detector


This meter is applied to measuring electromagnetic fields of 2.45GHz (microwave frequency). It has a measuring range from 50MHz to 3.5GHz.

RF Field Strength Meter…Microwave Detector
High Frequency: 50MHz to 3.5GHz


  • 3-3/4 digit LCD…maximum reading 3999.
  • Single axis.
  • Measure High Frequency RF electromagnetic fields, produced from electric transmission equipment, mobile phones, Wireless LAN(Wi-Fi) and Microwave ovens.
  • Auto Power off. (30 seconds).
  • Function Keys: Min/Max, Hold, Zero, and Frequency key.
  • RF power density: 0.010 to 2.700mW/cm2.
  • Built-in alarm setting.


  • Microwave oven leakage detection.
  • Electromagnetic fields, produced from electric transmission equipment.
  • Mobile phone base station, Antenna, and field strength evaluation.
  • Cell phone and radio transmitter power outputs.
  • Wireless camera detection, Wi-Fi wireless and LAN installations.
  • EMF safety evaluations.

Authorised Australian distributor


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SKU: TENMARS TM-194 Categories: , Tags: ,
Display 3-3/4 digit LCD, maximum reading 3999
Resolution 0.001mW/cm2
Frequency Response 50MHz to 3.5GHz
Sensor Single Axis
Accuracy ±2dB of reading at 2.45GHz ±50MHz
Sample Rate 2.5 times/second
Overload ‘OL’ displayed
Operating Temperature/Humidity 0°C to 50°C; below 80% R.H.
Storage Temperature/Humidity -20°C to 60°C; below 75% R.H.
Power Supply 9 volt Alkaline battery
Battery Life approx. 100 hours
Dimensions 130mm (L) x 56mm (W) x 38mm (D)
Weight 170g approx.
Ordering Information
Model Name Description
Tenmars TM-194 Microwave Oven Leakage Detector
Included accessories: User’s manual, battery, and Carrying case.
Weight .2 kg


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