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Active Bat Detectors

Passive Wildlife Recorders - Acoustics & Bats

Analysis Software

Detector Accessories

Austbat Harp Traps & Wildlife Camera Traps

The newest version of the omnidirectional ultrasonic microphone.

Versatile and affordable, recording bats in all weather.

The US-O V3 is the newest iteration of our popular omnidirectional ultrasonic microphone. It features improved weather resistance and better frequency response when compared to previous versions of the microphone. This means you will benefit from higher reliability and be able to detect bats at greater distances.

The omnidirectional microphone is versatile and affordable. Our most popular microphone for recording bats in all weather. The ability to attach directly to the detector or via a cable means that you can make the most of your detector and microphone placement, avoiding echoes off hard surfaces.

  • Easy to use, weatherproof and robust
  • Includes one acoustic microphone
  • You can choose additional microphones to record ultrasonic or stereo acoustic in one deployment
  • Microphones are user-replaceable
  • Lasts for 50 nights (full spectrum ultrasonic) or 350 hours recording time (acoustic) on 4 AA batteries*
  • Built-in GPS
  • Stand-alone detector, no phone required for setup
  • Built-in temperature sensor
  • Automatic schedules for easy deployment, or create your own custom schedule
  • Transect mode available
  • Analyse recordings with free software Insight
  • Headphone output to check microphone performance
External Dimensions 194 x 123 x 50mm (7.64 x 4.84 x 1.97 inches)
Weight 430 grams (15.3oz.) without batteries
Power Requirements 4 AA batteries
Battery Life 50 nights ultrasonic / 350 hours acoustic with 4 AA batteries*
Memory 1 x SDHC/SDXC memory card (up to 1TB)
Audio Output Headphone jack for frequency division output (ultrasonic) and stereo reproduction (acoustic)
Frequency Range 20Hz up to 140kHz (depending on microphone)
Housing Shrub green, weatherproof and shockproof (IP67) with tripod mount
GPS Built-in (daily GPS fixes, transect mode - GPS fix every second)
File Output Full spectrum (.wav), zero crossing (.zc), GPS track (.gpx) and temperature sensor log (.csv)
Sample Rates 500, 384, 320, 192, 96, 48, 44.1, 32, 22.05 ksps
Channels 2 channels. Stereo/Mono acoustic or mono ultrasonic. Not simultaneous acoustic and ultrasonic
Display OLED
Warranty Recorder: 2 years, microphones: 1 year
Includes Acoustic microphone with wind sock, magnetic lanyard for checking status
Optional Accessories Low-profile ultrasonic microphone, additional low-profile acoustic microphone, lockable security box, flexible-gooseneck microphone extender
*Ultrasonic battery life estimations based on 10% bat activity at 25°C and 10 hour nights recording at 320ksps using 4 alkaline AA batteries. Acoustic battery life estimations based on continuous mono recording at 32ksps using 4 alkaline AA batteries.

Omni-directional Ultrasonic Microphone US-O V3

Product Code: AAAB012 V3

AU$299.00

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Omni-directional Ultrasonic Microphone US-O V3