Welcome to Pettersson Elektronik

Pettersson Elektronik proudly presents the new

 BatSound® Touch software

The perfect companion to the M500 USB Ultrasound Microphone! 


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BatSound Touch is a sound recording and analysis software which provides high-resolution real-time
spectrograms and is very easy to use with touch screen Windows tablet PCs. It has resizable text and buttons to facilitate operation on devices with virtually any screen size.

Of course, BatSound Touch is compatible with the popular M500 USB microphone. A Windows tablet PC with BatSound Touch and the M500 makes an easy to use and powerful bat detector with real-time audio as well as real-time spectrogram.

BatSound Touch can also be used on computers without a touch screen. 


Pettersson Elektronik is a company specialized in electronic equipment for detection and analysis of bioacoustic ultrasonic signals. With our Ultrasound Detectors, or bat detectors, you can listen to the ultrasonic calls from bats, a great aid in identifying different species. We also supply analysis software for sound analysis on personal computers. 





"First off, I'd like to thank you for making such high quality bat detectors. Recently, I placed a D500X using external battery power near a river to monitor bat foraging activity and was unable to return to the site for several days. During that time, the river unexpectedly flooded and the detector was completely submerged in muddy water for at least 2-3 days. After swimming into the river to retrieve it, I open the battery and CF card compartments and poured a significant amount of water from the detector. I then placed everything in a bag of rice for a couple days to dry out. I am not sure how it's possible but I'm pleased to tell you that the D500X not only survived with seemingly no loss in functionality, but it apparently continued to record while submerged in water! Barring hitting it with a hammer, I'm not sure a detector could be tested to a further extreme. I've also used this detector to successfully record bats in sub-freezing temperatures and multiple rain storms without issue. If any resulting issues arise in the detectors functionality I will let you know but regardless the D500X detector has far surpassed expectations. Thanks again."

– Josiah J. Nelson, Gillam Bat Lab NDSU, Fargo, ND, USA