Which Bat DetectorWhat type of Bat-detector?
BioQuip offer four basic types of bat detector: " Heterdyne detector " Frequency Division detector " Combined detector " Time expansion detector
Heterodyne Bat Detectors These are the most popular form of bat detector, and we offer a range of models to suit all budgets. They have a tuning control knob, which allows you to tune into the frequency of the bat that you want to listen to. They are simple to use, and relatively cheap, and although you can only listen to one frequency at a time, the record of this frequency can assist you in determining the species of bat that you are listening to. The BatBox IIID and Explorer 105, Observer 101 and 103 from Ciel are all Heterodyne Bat Detectors. The CDP 102 is the first unit in the new Ciel range of devices designed specifically for professionals working in the field of bat monitoring and conservation. It is a stereo heterodyne device with the ability to monitor two separate frequencies simultaneously.
Frequency Division Bat Detectors Frequency division detectors, are great starter units, as there is no need to tune the units, and there should therefore be no need to ever miss a bat again. They are great for making recordings from with a mini-disc recorder or an MP3 recorder for play back and analysis. (Click here for details of sound recording equipment) The Ciel Observer 205 FD is frequency division detector
Combined Bat Detectors Dual Bat Detectors combine the functions of both a heterodyne detector and a frequency division detector in one unit, to give the best of both worlds when search and listening to bats - so whilst you are listening at one frequency you can still record the full range for later playback and analysis. The Bat Box Duet is the most popular (and expensive) of the models we offer. The Observer Dual is a less expensive alternative.
Professional Detectors At the top end of the price range the Bat Box Griffin offers Time Expansion monitoring and recording all in a single unit.
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