Verifies the operation and calibrates certain Gassonic ultrasonic gas leak detectors
Although Gassonic detectors do not require regular maintenance, the Gassonic 1701 Ultrasonic Calibration Unit can be used to satisfy the requirements for regular plant maintenance. Compared to traditional detection methods, a calibration gas is not needed for testing the functionality of the devices. The unit requires no electrical connection to the gas leak detector, as it is simply placed over the sensor head of the gas leak detector.
To simulate the distinct ultrasound made by pressurised gas leaks, the unit generates an amplitude sweep of band-limited white noise through a water-resistant piezo loudspeaker. When the gas leak detector registers this noise, an optical link in the unit interacts with the detector and controls the test, as well as the calibration sequence.