Equipment  Bat Survey  Zero-Crossing Bat Detectors 

Zero-Crossing Bat Detectors

Zero-crossing is a type of frequency division system that counts every time a sound wave crosses an imaginary zero point and provides a frequency / time output. Zero--crossing detectors are primarily used to record bat calls for analysis with bioacoustics software and as they produce small file sizes are efficient with battery useage they can be left in the field unattended for long term monitoring. They only capture the loudest frequency at any one time, however, so harmonics are not recorded and the output does not contain amplitude information. 

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AnaBat Express Bat Detector
#211761 | Availability: In stock
NHBS Price: £834.00 inc VAT $1027/€961 approx
Anabat Walkabout
#221238 | Availability: In stock
NHBS Price: £1,599.00 inc VAT $1968/€1843 approx
Song Meter SM4BAT ZC Bat Detector
Price: £595.00 - £925.00
 
#225942 | Availability: In stock
NHBS Price: £595.00 inc VAT $732/€686 approx
#225943 | Availability: In stock
NHBS Price: £895.00 inc VAT £910.00 (Save £15.00) $1102/€1032 approx
227006 | Availability: Usually dispatched within 4 days Details
NHBS Price: £925.00 inc VAT £948.90 (Save £23.90) $1139/€1066 approx
Anabat SD2 Rev4 Bat Detector with Microphone
194428 | Availability: Usually dispatched within 1 week Details
NHBS Price: £1,794.00 inc VAT $2208/€2068 approx