The D500X From Pettersson Elektronik
After completing extensive research on the D500X From Pettersson Elektronik, I'd like to share some of my findings (and opinions).
Many, if not most of those involved in any kind of bat research, are usually in need of a good passive monitoring system for bats. A unit that may be deployed in any number of locations - Including right in the middle of woodland areas. A device which may be deployed deep in a forest, if needed. Without having to worry about: wind, rain, and other variables having a negative effect on the equipment.
In my opinion, if someone is going to put forth the time and effort to begin a project; they will probably want to use the very best equipment they can. Most passive monitoring projects are inherently major undertakings. I've recently become very familiar with the in's & out's of passive monitoring for bats. Especially, in the varied field of Bat Research. After reading the protocol, execution, and results of major bat monitoring projects: It's clear that the D500X is a top contender. In fact, it may very well be, the best passive monitoring solution available. It has been used in many studies.
If you spend some time finding, and then searching through scientific/research-type documents: You can find many projects, studies, and theses where the D500X was used. Even studies which, in addition, went as far as including comparisons of the equipment used - For example, many of these individuals or teams were utilizing the D500X along with other detectors (in the same price ranges).If you cannot afford the D500X, then the absolute next best possible choice, is theSM2BAT+, from Wildlife Acoustics.
What can I say about the Pettersson D500X?
If you're looking for a static full spectrum recorder to leave out on site, the Pettersson D500X, the Anabat Swift, the Elekon Batlogger C and the Wildlife Acoustics SM4BAT FS are the ones to consider.
All units record bat calls very efficiently, but the main consideration is going to be deployment times. The Batlogger C can last for 5 nights with the single included battery or 10 nights with the optional additional battery. The D500X can last for 5 nights (Mk I) or 14 nights (Mk II). The SM4BAT FS and Anabat Swift can last for up to 30 nights.
My choice would be the Anabat Swift or the SM4BAT FS, for their longer deployment times, though the Batlogger C is pretty cool.
With all of these units you'll also get a free bat calls book worth £35: either British Bat Calls by Jon Russ, Social Calls of the Bats of Britain and Ireland by Neil Middleton et al, Bats of Britain & Europe by Christian Dietz & Andreas Kiefer, Is That a Bat? by Neil Middleton or a £35 voucher.
I want you to be 100% happy with your purchase so call me on 0333 9000 927 for advice.
Recorders to be left out on site and producing full spectrum files.
Hand-held recorders that can record full spectrum files and most of them log GPS co-ordinates.
Hand-held recorders that can record birds, frogs and other audible species. Some also record bats.
Comment from a client:
"My bat detector microphone failed during a dawn survey and knew that I had a group of dusk surveys starting in two days time. I was not in a good place as I did not have a spare, but my equipment was less than a year old.
After my survey I contacted Martin by email and he called me back on the same day, a few hours later, after a quick nap. He told me he did not have a part in stock, but had already contacted the supplier on my behalf.
The next day I received a replacement part, free of charge and express delivered from Switzerland. I thought it was amazing, and could not believe it was resolved so quickly.
Due to Martin's exceptional service I was good to go with the surveys, and I really would like to thank Martin and Wildlife Countryside Services for making the dusk surveys happen."