Siemens 40/40U-122SF

DescriptionThe UV Flame Detector (Series 40/40U) detects hydrocarbon-based fuel and gas fires; invisible hydrogen flames, and fires from hydrides, ammonia, silane and other organics. Model 40/40U-122SF has considerable durability and weather-related resistance, and is comprised of the following: heated window (eliminating condensation and icing); Highway Addressable Remote Transducer (HART) capabilities (for digital communications, low-power requirements), and a compact, lighter design). Be advised Model 40/40U-122SF should not be exposed to UV radiation sources, such as: welding, sparks, and electric arcs. Otherwise, false alarms will occur. Specifically, Model 40/40U-122SF is comprised of the following: 4-20mA (SINK) wiring; a Normally Closed (N.C) FAULT relay, and Normally Open (N.O) ALARM relay. Model 40/40U 122SF has a maximum operating temperature of 185?F (85?C). It is stainless-steel by design, and has a 3/4-inch National Pipe Thread (NPT) Taper. This product is Factory Mutual Approved, as well as SIL2 (TUV) Approved to IEC 61508.