EMFields Measuring Equipment - The Acoustimeter
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It is currently not possible to order from overseas via the site. If you are based overseas (or simply wish to order by phone), please contact the sale office on +44 (0)1353 778814 to place your order. Alternatively, for overseas customers, you can email us on info@emfields.org with your order, and we will raise a PayPal invoice for you. This can help if the time difference makes it difficult to phone within our working hours. We aim to dispatch most products within 2 days of receiving your paid order.
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The AcoustimeterFeedback from our customers has been that the MW1 and the A-COM have been very successful in helping them realise the extent of their exposure to the electrosmog that surrounds them. Many of our customers said they would also like an instrument more sensitive than the COM and which gave actual readings rather than just the volume of sound. The Acoustimeter is the result of 4 years of research and development - the time was lengthened when the new WiFi frequencies and modulations were introduced which meant that we needed to expand the range that the Acoustimeter could reliably measure. The Acoustimeter is a user-friendly accurate RF measurement instrument which provides LED light and LCD text display peak, peak hold, and average levels of radio frequency electromagnetic fields, covering the spectrum from TETRA all the way up to and beyond the latest 5.6 GHz WiFi and WiMax frequencies. It has a digital readout which is sensitive to 0.02 V/m and a sound output enabling you to hear the signal modulation. These features make the instrument the most useful one available to even those with severe electrosensitivity. To hire: £35 per week (please telephone 01353 778814 to arrange) » What's the difference between peak and average exposure and what does it mean? |
The Acoustimeter - Further Information
Example sound files
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The Acoustimeter has been designed to enable you to make a quick and informed judgement regarding the level and nature of microwave signals in your environment. It is a broadband instrument that accurately measures the totality of the radiation in the range 200 MHz to about 8000 MHz (8 GHz), which covers the frequencies used by most modern communication systems encountered in our everyday environment. The Acoustimeter was designed using the experience gained from many years of practical RF and microwave measurements.
The readings are shown on both an LCD display and two series of graduated LED lights. The LEDs update rapidly, and allow you to quickly gauge the levels in an area and find any hot-spots. The LCD display offers high accuracy with a lower update speed, giving you time to take note of the readings. It also has a speaker (and audio output socket for headphones or to feed to an audio recorder), allowing you to determine, with a small amount of practice, what type of device is creating the levels that are present. Sound samples are available on on this page to help you identify what kind of signal your Acoustimeter is measuring.
Technical specifications
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Conversion between V/m and W/m2 for continuous (CW) signals
V/m
µW/m2
To convert W/m2 to mW/cm2 divide by 10.
To convert W/m2 to mW/m2 multiply by 1,000.
To convert µW/m2 to W/m2 divide by 1,000,000 (1 million).