Safe & Sound Pro II Radiofrequency meter (digital) - Building Biology
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Healthy Home Store

Safe & Sound Pro II Radiofrequency meter (digital)


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The Safe and Sound Pro II RF Meter is a compact, simple to use omnidirectional meter that accurately measures emissions from cell phones, base stations, smart meters and wireless devices.

Watch the Video HERE.


  • Detection range: 400 MHz to 7.2 GHz (effective 200 MHz to 8 GHz)
  • Power density range: below 0.5 µW/m² up to 2,000,000 µW/m²
  • Accuracy +/- 6dB
  • Sound analysis to assist with source identification
  • Adjustable volume control
  • Max hold
  • Max reset button
  • OLED display that is easy to read
  • Peak Hold (maximum instantaneous radiofrequency signal level emitted)
  • Updates 20 times per second (better than 5 microseconds response time)
  • USB power jack for continuous monitoring
  • Small, durable and compact handheld design (65mm X 90mm X 21mm)
  • Low EMF emissions, designed for the Electrically Hypersensitive person in mind
  • Battery operated (2 x AA) – >15 hour battery life with speaker on
  • Two year warranty (warranty doesnot cover meter damaged as a result of misuse, dropped, applying weight to digital screen…)


Acurate meter that measures radiofrequency radiation emitted from wireless devices including:

  • Smart meter
  • Mobile base stations (towers)
  • Mobile phone
  • Cordless phones
  • Wireless routers (both 2.4 and 5 GHz)
  • Bluetooth devices
  • Baby monitors
  • Airport radar
  • Microwave oven leakage detection


Keep the unit 30 cm from your body. Turn the unit on and wait 10 seconds for the unit to calibrate, then scan the area by moving the meter from side to side (to measure RF signals from all directions). The Building Biology limit is 10 uW/m². For more information regarding the sources of radiofrequencies in the home, read Healthy Home Healthy Family.

Digital display:

  • Peak hold is the maximum instantaneous radiofrequency signal level emitted
  • Max is the highest measure peak value since the meter was turned on (max value is held until the power is turned off)
  • Avg is the time average signal power

Traffic light signal:

  • Slight: green flashing light (1 uW/m²)
  • Slight: green light (1 to 10 uW/m²)
  • Moderate: yellow light (10 to 100 uW/m²)
  • High: orange light (100 to 1,000 uW/m²)
  • Extreme: red light (1,000 to 10,000 uW/m²)
  • Extreme: red light flashing (10,000 to 100,000 uW/m²)
  • Extreme: red light fast flashing (> 100,000 uW/m²)
Additional Information
Weight 0.8659021 kg
Dimensions 9 × 2.5 × 14.7 cm