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Rosemount
Rosemount 975UR Ultraviolet Infrared Flame Detector
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Parámetros clave
Approvals
ATEX; IECEx; FM; CSA; other regional Ex approvals per PDS
Sensing
Combined ultraviolet (0.185–0.260 µm) and infrared (4.3–4.8 µm) flame detection for hydrocarbon fires
Response Time
Ultra-fast response under 20 ms for flash fires (typical selectable settings)
Detection Range
Typical gasoline/n-heptane detection on the order of ~28 m (93 ft) per PDS
Field Of View
Approximately 100° horizontal × 95° vertical (per product documentation)
Outputs
Relays, 4–20 mA, HART, RS-485 Modbus
| Parámetro | Valor |
|---|---|
| Approvals | ATEX; IECEx; FM; CSA; other regional Ex approvals per PDS |
| Sensing | Combined ultraviolet (0.185–0.260 µm) and infrared (4.3–4.8 µm) flame detection for hydrocarbon fires |
| Response Time | Ultra-fast response under 20 ms for flash fires (typical selectable settings) |
| Detection Range | Typical gasoline/n-heptane detection on the order of ~28 m (93 ft) per PDS |
| Field Of View | Approximately 100° horizontal × 95° vertical (per product documentation) |
| Outputs | Relays, 4–20 mA, HART, RS-485 Modbus |
| Power | 18–32 Vdc nominal supply |
| Optics | Heated optics to reduce condensation/icing effects |
| Enclosure | Rugged flame-detector housing for hazardous industrial areas |
| Diagnostics | Built-in self-test / BIT features per 975 family |
| Special Features | Selectable UV, IR, or combined sensing logic; part of Rosemount 975 flame detector family |
| Product Type Note | 975UR UV/IR variant; distinct from 975MR multispectrum IR (SKU 43516 in-flight) |