Gassonic Observer-H Ultrasonic Gas Leak Detector
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GASSONIC OBSERVER-H Ultrasonic Gas Leak Detector • Advanced stainless steel microphone • Instant detection of pressurized gas leaks; immune to gas dilution, windy conditions, or leak direction • Event logging • Stores fault, sound check, calibration, and alarm event history • HART and Modbus communication • Senssonic™ integrated acoustic self-test • Stainless steel AISI 316L explosion proof housing • One-person sound check and calibration with traceable portable test unit • Three digit LED display The Gassonic Observer-H Ultrasonic Gas Leak Detector detects leaks instantaneously from high-pressure systems. It responds to the airborne ultrasound generated from gas releases in open, well ventilated areas, where traditional methods of detection may be unsuitable or dependent on ventilation. Since the Gassonic Observer-H responds to the source of a gas release rather than the dispersed gas, it is unaffected by changing wind directions, gas dilution, and the direction of the gas leak. Further, with its wide coverage radius, it can supervise a relatively large area with a single device. The Gassonic Observer-H is immune to many false signals and can be configured to filter short timescale ultrasonic noise that can produce nuisance alarms. Frequencies below 25 kHz are removed by a high pass filter, effectively eliminating interference from audible and low frequency ultrasonic noise. At the same time, setting the alarm trigger level above the ultrasonic background noise ensures immunity to other noise sources. The result is a reliable method of detection, able to monitor environments with high levels of ultrasound such as turbine rooms and compressor stations. • Provides complete status and control capability in the control room • Provides full failsafe operation • Corrosion resistance in harsh environments • High reliability and trouble free maintenance • Displays actual sound pressure level and alarm indication The Gassonic Observer-H also features the Senssonic™ patented self-test for full failsafe operation. This self-test checks the electrical integrity of the device and microphone every 15 minutes and ensures the Observer-H is operational at all times. In addition, the ultrasonic gas leak detector is available with Modbus or HART to enable asset management and process improvement. Applications • Floating Production Storage and Offloading Vessels (FPSOs) • Gas Compressor and Metering Stations • Gas Storage Facilities • Gas Turbine Power Plants • Hydrogen Storage Facilities • LNG / GTL Trains • LNG Re-gasification Plants • Offshore and Onshore Oil and Gas Installations • Petrochemical Processing Plants • Refineries • Underground Gas Storage Facilities

Ultrasonic www.gassonic.com www.generalmonitors.com GASSONIC OBSERVER-H System Specifications Detector Type: Ultrasonic (acoustic) gas leak detector Detector Frequency Range: 25 kHz – 70 kHz Dynamic Range: Test Sound Source Frequency: 40 ± 3 kHz Test Sound Pressure: Detector Coverage*: 100 dB, 60 mm from sound source Very low noise areas (<58 dB) 1 3 - 2 0 m radius at leak rate = 0.1 kg/s Low noise areas (< 68 dB) 9 - 1 2 m radius at leak rate = 0.1 kg/s Response Time: Warranty: Electrical Classification: CSA/FM: ATEX/IECEx: Approvals: Accessories: High noise areas (< 78 dB) 5 - 8 m radius...