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A simple, inexpensive heterodyne bat detector will open your ears to the inaudible world of bats. Simply hold the microphone skyward and if necessary, tune to a frequency of interest, usually between 25-40 kHz.
The detector will transform high frequencies into sounds humans can hear. Sooner or later you will hear a bat approaching, which will sound like a relatively constant series of "clicks" to us.
The calls (or clicks as we hear them) may speed up so fast they sound like a "zipper" closing for just a moment. This is a "feeding buzz" generated when a bat makes an attempt to catch prey. The calls speed up to sound like a "zipper" because a bat must increase it's calls from ~10 calls per second to an amazing ~200 call per second in order to catch a moving target.
Watch Scout in the following as she introduces a simple bat detector, and uses it in total darkness to search for bats emerging from of Mammoth Cave, the longest cave in the world.
A great advantage of heterodyne detectors like the D100 is that they are more sensitive; the D100 has dual microphones. They pick up bats at further distances than FS, FD, or ZC tech. They work out of the box; no fussing with smart devices, computers, or menus.
This wicked smart HET tunes itself to the strongest bat frequency in your environment, and also suppresses low frequency noise for a clear sound. The unique stereo version creates a "surround sound" experiance when using headphones.
This heterodyne detector features a very accurate backlit digital display allowing you to tune into your target frequency with the most precision.
Since 1998 Bat Conservation and Management has conducted endangered species surveys for business, industry, and agencies. We specialize in advancing bat acoustic monitoring technology and techniques; conducting professional training workshops for wildlife biologists just getting their start with bats; and providing fully tested equipment and survey gear for the professional bat worker. We also assist with solving bat/human conflicts and bats in buildings problems.
Information on contacts, hours, sales tax, international shipping, and return policies can be found in our very general Knowledge Base.
For answers to common product questions, see the Q&A forum at the bottom of any product page. However, questions on a specific order should be directed to firstname.lastname@example.org
Please visit our growing Learning Center containing batty resources for all levels of interest. You will find great info and videos on public health concerns, equipment, bat houses, and more.