There are only two types of ultrasonic leak detectors on the market today.
The first type is Microphone sensor ultilise Moving Metal Diagphram design which require Frequent Calibration and periodic replacement of parts.
The latest Ultrasonic sensor development using Floating piezo ceramic design which made of high chemical resistance materials suitable for all kind of Environments with IP67 Rated . The new design sensor typically calibrated for Life after Factory Configuration, required with No Maintenance .
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