Stainless Steel UV, FM Hydrocarbon & Non-Hydrocarbon Fires, indoor applications, Nonlatching Alarm LED, FM, cFM, CSFM for C1, D1, Groups B,C,D (2) 3/4 NPT.

SS4-AUV2
While retaining all the features of the standard SS4-A2, the SS4-AS2 is optimized for the detection of ethanol, methanol, hydrogen and natural gas with a range up to 60 ft. range and a field of view of 120°, the UV only Version, SS4-AUV2, is for indoor applications where UV sources such as welding are not present.

Features
• Senses solar-blind ultraviolet band
• Built-in test for optical “through the lens” testing
• Utilizes long-life, ruggedized UV Sensors
• Detects hydrocarbon and non‑hydrocarbon based fires
• Wide field-of-view and solar-blind
• Adjustable Detector sensitivity
• Microcomputer based algorithms: FirePic™, Snapshot™ and UV Plot
• Wide temperature range of operation
• Compatible with standard approved fire alarm panels
• Explosion-proof housing
• Time programmable alarm verification
• FM, ATEX mark approvals