RS-FS9009-03 (RS-FS-9009-03) – GE Reuter-Stokes FTD 325 UV Flame Detector
Product Overview
RS-FS9009-03 (also known as RS-FS-9009-03, FTD 325, part number 124T5712P0001) is a dry-type UV flame detector manufactured by GE / Reuter-Stokes (Baker Hughes). It provides reliable, high-speed flame monitoring for industrial combustion systems, used in power, oil & gas, and petrochemical plants.

Product Overview
RS-FS9009-03 (also known as RS-FS-9009-03, FTD 325, part number 124T5712P0001) is a dry-type UV flame detector manufactured by GE / Reuter-Stokes (Baker Hughes). It provides reliable, high-speed flame monitoring for industrial combustion systems, used in power, oil & gas, and petrochemical plants.
Key Features
- UV Spectrum Detection: 185–265 nm solar-blind UV, SiC solid-state sensor.
- Fast Response: <1 second for flame on/off detection.
- High Temperature Tolerance: Up to 325°C (617°F); no cooling required.
- Dual Output: 4–20 mA analog + relay contacts for alarm/shutdown.
- Adaptive Sensitivity: Compensates for lens contamination and aging.
- Harsh Environment Rated: IP66 enclosure; Class I Div 2 / ATEX Zone 2 approved.
- Compact & Rugged: Stainless steel body for long-term reliability.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | RS-FS9009-03 (RS-FS-9009-03) |
| Alias | FTD 325, 124T5712P0001 |
| Brand | GE / Reuter-Stokes (Baker Hughes) |
| Detection Principle | Solar-blind UV (185–265 nm), SiC sensor |
| Response Time | < 1 second |
| Operating Voltage | 18–32 VDC (24 VDC typical) |
| Output | 4–20 mA + relay (NO/NC) |
| Max Operating Temp | 325°C (617°F) |
| Protection Class | IP66 |
| Approvals | CE, UL, cUL, ATEX, IECEx |
| Dimensions | 127 mm (L) × 38 mm (OD) |
| Weight | ~1.4 kg (3.1 lbs) |
| Cable Length | Standard 5 m (custom lengths available) |
Applications
- Power Plants: Boiler, gas turbine, and HRSG flame monitoring.
- Oil & Gas: Refinery heaters, furnaces, and process burners.
- Petrochemicals: Reactor and incinerator flame safety.
- Industrial Furnaces: Steel, cement, and thermal processing systems.
Why Choose RS-FS9009-03
- Proven Reliability: Field-proven in thousands of industrial sites globally.
- No Cooling Needed: Saves installation and maintenance costs.
- False Alarm Immunity: Rejects visible light and thermal radiation interference.
- Easy Integration: Standard 4–20 mA and relay outputs connect to most DCS/PLC systems.
- Long Lifespan: Industrial-grade materials for extreme conditions.















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