Description
Hydrophone Calibrator Type 4229 is designed to calibrate HBK Hydrophones Type 8100, 8101, 8103 and 8105. The hydrophone calibrator provides a quick and easy method to calibrate sound measuring systems employing HBK Hydrophones, in air.
If required, sound pressure levels produced in the couplers can be monitored by a 1/2-inch microphone, giving a calibration accuracy of within 0.3 dB. The hydrophone calibrator is compact and battery operated, suitable for both field and laboratory use.
- Calibration of HBK Hydrophones with Type 8106 specifically, requiring Coupler WA-0658
- Calibration of sound measuring systems employing Microphones Type 4133, 4134, 4189 and 4190
- Field calibration
- Reference standard





