Pettersson D500X Ultrasound Detector/Recorder MK II
Pettersson D500X Ultrasound Detector/Recorder MK II

D500X Ultrasound Detector/Recorder MK II

€1.999,00 Incl. tax
Article number: MKII
Availability: Out of stock
Delivery time: 2-3 business days

The D500X Ultrasound Detector/Recorder MK II is as easy to use and provides the same features as the classic D500X MK I, with the following exceptions:

  • It does not include an internal microphone. Instead it ships with an external microphone which is either directly connected to the microphone jack or through an extension cable. The microphone jack is an XLR type so no adapter cable is required.
  • It is powered by 4 C type batteries which last roughly three times longer than the AA batteries used in the classic D500X.
  • The jack for external power is a standard 2.5 mm DC power jack for easy connection.

The D500X Ultrasound Detector/Recorder MK II is an ultrasound recording unit intended for long-term, unattended recording of bat calls. In contrast to time expansion bat detectors, the D500X records full-spectrum ultrasound in real time with virtually no gaps between recordings. The recorder is equipped with four slots for CF cards, which typically makes it possible to leave the unit in the field for more than a month. The triggering system allows the device to automatically start recording as a sound is detected.

The recording length can be selected in steps from 0.3 up to 20 seconds. In order not to fill the card too fast at locations with high activity, a minimum time between two recordings can be applied. The recorder is normally operated in a low-power mode with no pre-trigger (i.e. the recording starts as the sound exceeds the chosen threshold level), but both pre-and post-trigger functions are available in the standard (not low-power) mode. The D500X Ultrasound Detector/Recorder MK II stores the bat calls in time stamped wav files.

The D500X Ultrasound Detector/Recorder MK II comes in a soft protective case with hooks to hang from a tree.

Specifications D500X Ultrasound Detector/Recorder MK II

Type: Direct, high-speed recording
Microphone: Advanced electret, jack for external microphone
Frequency range: 15 – 190 kHz (500 kHz sampling rate, high-pass filter enabled)
Connections: External microphone, external trigger, external DC supply
Timer: Four on/off periods per day
Batteries: 4 x AA size, Alkaline or NiMH recommended
External DC supply: 5.5-8 V, typically ca. 200 mA (average, when recording), depends on CF card type and number of CF cards
Size: 165 x 170 x 53 mm, excl. connectors etc.
Weight: 1.3 kg incl. batteries and front panel cover

 Recording system

ADC resolution: 16 bits
Anti-aliasing filter: Yes, 8th order, 190 kHz cut-off frequency
Sampling rates: 44.1, 300, 500 kHz (optimized for 500 kHz)
Recording length: 0.3, 0.5, 1, 2, 3, 5, 10, 20 sec or manual recording
Recording medium: CF card, 4 slots


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