The Gassonic MM0100 has just released the next generation of ultrasonic gas leak detection. The Gassonic Observer has a unique built-in acoustic self-test function to ensure that the microphone is functioning optimally. If the detector should fail the detector will instantly give an error signal on the 4…20 mA analogue output in the DCS system as well as on the digital communication interface of the detector. The Gassonic Observer is addressable through the RS485 serial communication interface, which makes it possible to set up and adjust the detectors from the distance possibly lowering the maintenance costs significantly. The device is designed in solid stainless steel. It is Atex and UL/ULC approved for hazardous environments on- and offshore. Unlike traditional detectors (Open Path and Point Detection) the ultrasonic gas leak detection technology is not affected by changing wind directions or fast dilution of the gas cloud. The ultrasonic gas leak detectors instantly detect gas leaks as small as 0.1 kg/s in a radius up to 10 m from the leak source.