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Rosemount
Rosemount 975HR Multi-spectrum Infrared Hydrogen Flame Detector
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المعاملات الرئيسية
Output
Multiple outputs; HART and RS-485 Modbus configuration
Approvals
SIL3 compatible; Hazardous area worldwide certifications (per PDS)
Detection Type
Multi-spectrum infrared (QuadSense) optimized for hydrocarbon and hydrogen flames (975HR)
Detection Range Hydrogen
Hydrogen plume fire detection to 164 ft (50 m) at highest sensitivity
Detection Range Hydrocarbon
Hydrocarbon pan-fire detection per PDS Table 1 (975HR column; family up to 300 ft / 90 m on 975MR)
Response Time
High-speed response under 50 ms; flash-fire capable
| المعامل | القيمة |
|---|---|
| Output | Multiple outputs; HART and RS-485 Modbus configuration |
| Approvals | SIL3 compatible; Hazardous area worldwide certifications (per PDS) |
| Detection Type | Multi-spectrum infrared (QuadSense) optimized for hydrocarbon and hydrogen flames (975HR) |
| Detection Range Hydrogen | Hydrogen plume fire detection to 164 ft (50 m) at highest sensitivity |
| Detection Range Hydrocarbon | Hydrocarbon pan-fire detection per PDS Table 1 (975HR column; family up to 300 ft / 90 m on 975MR) |
| Response Time | High-speed response under 50 ms; flash-fire capable |
| Spectral Bands | Multi-IR QuadSense bands for hydrocarbon and hydrogen discrimination |
| Sensitivity Levels | Multiple field-configurable sensitivity settings |
| Operating Temperature | −76 to +185 °F (−60 to +85 °C) |
| Enclosure | Rugged flameproof/explosion-proof housing; heated optics options |
| Mtbf | 150,000 hours MTBF claimed |
| Special Features | Built-in optical integrity test; event log; FS-HR-975 flame simulator compatible; SIL3 compatible |
| Form Factor | Fixed flame detector for oil & gas, chemical, hydrogen, and industrial fire detection |
| Family | Rosemount 975 (975MR / 975HR / 975UF / 975UR) |