HNR-series Needle Hydrophone
The HNR Series needle hydrophones are excellent sensors for laboratory use in high intensity ultrasonic field mapping, with pinpoint access and good spatial resolution. Due to their high sensitivity these hydrophones are commonly operated without amplification.
Key Features and Benefits
- Piezoceramic sensing element
- Needle shape with low reflection profile
- High sensitivity
- Integral cable with BNC connector
- Various apertures available
Related Products
The HNR Series needle hydrophones are excellent sensors for laboratory use in high intensity ultrasonic field mapping, with pinpoint access and good spatial resolution. Due to their high sensitivity these hydrophones are commonly operated without amplification.
| HNR-0500 | HNR-1000 | ||
|---|---|---|---|
| Frequency range (±6dB) | 0.25 to 10 MHz | ||
| * EOC Nominal Sensitivity [dB re 1V/μPa] | -258 | -248 | |
| * EOC Nominal Sensitivity [nV/Pa] | 126 | 398 | |
| Acceptance angle (-6dB at 5 MHz) | 30° | 15° | |
| Capacitance | 200 pF | ||
| Max. Operating Temperature | 50 °C | ||
* EOC ("end of cable") is the open-circuit output sensitivity of the hydrophone. Calibration with an amplifier can be determined from the gain and input impedance of the amplifier.
Provided with traceable calibration 1-20 MHz at 50 KHz intervals. For other calibrations available visit our web site.
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Related Resources
HNR Hydrophones Data Sheet
Get technical specs and information on the HNR Series Hydrophones by Onda.