The Rosemount 975HR Multi-Spectrum Infrared Hydrogen Flame Detector is specifically designed for the detection of hydrocarbon and hydrogen flames. It detects hydrocarbon-based fuel and gas fires at long distances with a high immunity to false alarms. The Rosemount 975HR Flame Detector is a durable and weather resistant hydrogen flame detector. This flame detector includes a heated window to eliminate condensation and icing, HART™, lower power requirements and a compact lighter design.
Communication Protocol: Optional HART™ communications on the 0-20 mA analog current (FSK) - used for maintenance, configuration changes and asset management, available in mA source output wiring options. RS-485 Modbus compatible communication link that can be used in computer controlled installations
Ambient Temperature: Operating & Storage: -76 °F to +185 °F (-60 °C to +85 °C)
Enclosure Rating: Stainless Steel 316L with electro polish finishHeavy duty copper free aluminum (less than 1%), polyurethane painted
Mounting: Stainless Steel 316L with electro polish finish
Dimensions: Flame Detector 4"x 4.6"x 6.18"(101.6 x 117 x 157 mm)
Weight: Flame Detector (stainless steel 316L) 6.3 lb (2.9 kg)Flame Detector (aluminum) 2.8 lb (1.3 kg)Tilt mount 2.5 lb (1.1 kg)
Certifications/Approvals: strong>ATEX and IECEx:Ex II 2 G DEx db eb op is IIC T4 GbEx tb op is IIIC T110 °C Db(Ta -50°Cto+85°C) IP66/68FM/FMCClass I, Division 1, Groups B, C, and D, T4AClass II, III, Division 1, Groups E, F, and G, T4AClass I, Division 2, Groups A, B, C, and D, T4Ta = -50°C to +85°CType 6P, IP66/68 2 m for 45 minutesCSA/US:Class I, Division 1, Groups B, C, and D, T4Class II, III, Division 1, Groups E, F, and G, T4Class I, Division 2, Groups A, B, C, and D, T4Ta = -50 °C to +85 °CType 6P; IP 66/68 2 m for 45 minutesTR CU (EAC):1 Ex db eb op is IIC T4 Gb XEx tb op is IIIC T110°C Db X(–55°C Ta +85°C)Performance:EN 54-10 (VdS)FM 3260Reliability:Designed to meet IEC 61508 - SIL 3 (TÜV)Marine:MED "Wheelmark" (DNV)
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