General Monitors Gassonic Observer-H Ultrasonic Gas Leak DetectorThe Gassonic Observer-H Ultrasonic Gas Leak Detector from General Monitors is for gas-leak detection in pressurized systems. The detector features HART communications, Modbus with single- and block-transfer modes, Emerson AMS Intelligent Device Manager support, and event-logging. The detector is ATEX, IECEx, FM and CSA hazardous-area- certified and SIL 3 suitable. Designed for failsafe operation, the detector features an advanced stainless-steel microphone and also has a Senssonic integrated acoustic self-test, which verifies the integrity of the instrument’s electric circuit and microphone every 15 minutes. It features stainless steel, AISI 316L explosion-proof housing, offering corrosion-resistance in harsh environments. – generalmonitors.com