U1 - Acoustimeter AM-11 - OPEN BOX

Was: $349.00
Now: $289.00
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Acoustimeter AM-11 - OPEN BOX - FINAL SALE

*Limited 30 Day Warranty, No Exchanges, Repair Only - Shipping Not Included*

Easy to Use With a Wide RF Measurement Range 

Includes an extended frequency range which measures radio frequency / microwave radiation (200 MHz – 8.0 GHz).

Also includes audio signal analysis, LCD displays peak and average values, Led indicators displays a quick visual of RF intensity.

The Acoustimeter AM-11 is a reliable, user friendly RF meter which enables you to make quick and informed decisions regarding the level and source of radio frequency signals in your environment.

It comes equipped with two series of graduated LED lights and an OLED display offering precise measurements with a lower update speed, giving you time to take note of the readings.

"Assess the RF in your environment" - buy an Acoustimeter from SLT.


  • Displays peak, peak hold, and average levels of radio frequency electromagnetic fields, covering the spectrum from 200MHz all the way up to 8GHz (8000MHz) which covers the frequencies used by most modern communication systems
  • Peak exposure levels in V/m
  • Peak hold levels in V/m
  • Average exposure levels in µW/m2
  • A digital read out down to 0.02 V/m or 1uW/m2
  • An audio output which aids with source identification
  • Sound demodulation may be heard at RF levels below 0.02 V/m
  • The 2 line OLED display offers high accuracy with a lower update speed, giving you time to take note of the readings.
  • Typically 15 hours on two standard alkaline batteries

Additional Features:

  • A speaker which allows you to determine, with a small amount of practice, what type of device is creating the levels that are present. Sound samples are available to help you identify what type of signal your Acoustimeter is measuring. The sounds made by different transmitters can change with time, so these are meant as a rough guide only. If you are subject to a number of sources of RF, the sounds may intermingle and be less easily identified.


  • Acoustimeter
  • 2x AA Alkaline
  • Comes with its own carry bag
  • Internal antenna
  • 5 year Manufacturers Warranty
  • User Manual

Case Dimensions:

  • Interior Dimensions: L=20cmx W=10cm x H=6cm
  • Exterior Dimensions: L=22cmx W=12cm x H=7cm
Frequency Range of Meter:
200 MHz – 8 GHz ± 6 dB ± 0.02 V/m
Peak Range:
Peak Display: 0.02 to 6.00 volts per metre [ V/m ]
Peak LED’s: 0.02, 0.03, 0.05, 0.07, 0.1, 0.2, 0.3, 0.5, 0.7, 1, 1.5, 2, 3, 4.5,6 [V/m]
LED Scale Points: (peak LEDs updated approximately every 0.1 seconds)
Average Ranges:
Average Display: 1 to 100 000 microwatts per square metre [μW/m2]. The Average reading is a true mathematical time-averaged reading of about the last 1000 samples
Average LED’s: (calculated as the average 1024 samples measured every 0.35 seco
Short PCB Monopole antenna
±6 dB
190mm x 102mm x 33mm (LxWxD)
Approx. 280 grams excluding batteries and carrying bag
Material of Case:
Battery Life:
Power Draw: 105 mA at 3 volts (2 x AA Alkaline or Rechargeable cells @ 1.2 - 1.5V)
Battery Life: Typically 15 hours on two new 1500 mAhr AA alkaline cells
‘Low battery’ detection is indicated

1 Review

  • 3
    U1- Acoustimeter AM-11

    Posted by John Lieberman on 2nd Nov 2021

    I primarily purchased the AM-11 to get an accurate read out of V/m for the updated 5G routers, cell phones and cell masts....up to 8 GHz. It performs this function well replacing my old Tri-Field Meter....which is capped at 2.5 GHz. However, I wished it provided a peak/peak hold for RF rather than just the 'average'. This would have allowed a cross comparison to the Safe and Sound Pro 2.

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