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Sensor Technology SQ26-08

Wideband hydrophone for professionals
  • Sensor Technology SQ26-08
  • Sensor Technology SQ26-08

This hydrophone is a general purpose hydrophone ideal for whale watching, full audio-band signal detection, and mobile underwater recording. This hydrophone has a slick & compact design. It is manufactured by Sensor Technology in Canada.The SQ26-08 (and its related sensor SQ26-05) must be used with a recording device or preamplifier that has a bias powered (plug-in-power) microphone input. A custom adapter allows to directly power the internal preamp, to be used with systems not providing the bias power.Applications: Kayaking, Recreation, Tourism, Environmental science, General cetacean research, Educational outreach programs, Contact microphone, Geophone, Capturing the sounds of the natural underwater environment for eco-art, Adding underwater sound to video recordings.Frequency Range [kHz]: 0.030 to 30 and overTransducer Sensitivity* [dB, re 1V/µPa]: -194Preamplifier Gain [dB]: 25Effective Sensitivity (Transducer Sensitivity + Preamplifier Gain) [dB, re 1V/µPa]: -169SPL Equiv. Self Noise at 1kHz [dB, re 1µPa]: to be determinedPower Requirement [Vdc]: 2 to 5RMS Overload Acoustic Pressure [dB, re 1µPa]: 154Maximum Operating Depth [m]: 100Operating Temperature Range [ºC]:-25 to 60Dimensions [mm]: 70 L x 32 dia.Shielded Cable Length [m]: standard cable includes 3.5mm stereo miniJack to a microphone inputDirectionality: omnidirectional below 10kHzBattery / Connector box: N/A - powered by most of the plug-in powered microphone inputs, such as the Zoom F1. Voltages must be below 5VDC.AVAILABLE as a custom SQ26-05-CST with the same sensor, same preamp, additional weight in a plastic shell, robust cable up to 50m for special purposes.


SQ26-08-30m cable


SQ26-08-10m cable




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