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Rosemount
Rosemount 975HR Flame Detector
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Parámetros clave
Type
Multi-spectrum IR hydrogen flame detector — Rosemount 975HR (QuadSense)
Detection
Hydrocarbon and hydrogen flames; hydrogen to ~164 ft (50 m); hydrocarbons to ~300 ft (90 m)
Response Time
High-speed response under 50 ms
Sensors
Four IR bands (multi-spectrum QuadSense)
Sensitivity Levels
Six selectable sensitivity levels
Operating Temperature
−76 °F (−60 °C) to +185 °F (+85 °C)
| Parámetro | Valor |
|---|---|
| Type | Multi-spectrum IR hydrogen flame detector — Rosemount 975HR (QuadSense) |
| Detection | Hydrocarbon and hydrogen flames; hydrogen to ~164 ft (50 m); hydrocarbons to ~300 ft (90 m) |
| Response Time | High-speed response under 50 ms |
| Sensors | Four IR bands (multi-spectrum QuadSense) |
| Sensitivity Levels | Six selectable sensitivity levels |
| Operating Temperature | −76 °F (−60 °C) to +185 °F (+85 °C) |
| Outputs | HART; Modbus RS-485; relays / 4–20 mA (see RM) |
| Optics | Heated window (two-mode) against condensation/icing; IR BIT |
| Reliability | SIL3 compatible; ~150,000 hours MTBF (PDS) |
| Document | PDS 00813-0200-4976 Rev AE + Manual 00809-1400-4975 |