Overview
The ABB SF810INT-FOC-UV-T-L is a remote UV flame detection probe from the Uvisor™ SF810 series, designed for advanced burner supervision in industrial combustion systems. It features a fiber-optic detection cable inside a protective guide pipe, enabling the UV sensor head to remain outside extreme heat zones while maintaining a clear optical path to the flame. This makes it especially effective for corner-fired boilers, tilting burners, and installations with limited line-of-sight.
The detector uses a silicon carbide (SiC) UV photodiode, providing fast response, excellent resistance to background radiation, and long operational life compared to traditional UV tubes. Powered by 24 VDC, it includes an adjustable sensitivity control for tuning performance to specific burner characteristics. Engineers rely on it for continuous flame monitoring and safety interlocking in demanding industrial environments.
Technical Data
| Parameter | Specification |
|---|---|
| Product Type | UV Flame Detection Probe |
| Model Number | SF810INT-FOC-UV-T-L |
| Weight | 0.5 kg |
Typical Applications
The SF810INT-FOC-UV-T-L is used in safety-critical burner management systems, such as:
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Coal-fired power plants — corner-fired, opposed-wall, and tilting burners
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Refineries & petrochemical furnaces
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Waste-to-energy incinerators
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Cement kilns & rotary furnaces
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Biomass & gas-fired industrial boilers
Its remote UV sensing, rugged design, and high signal integrity ensure reliable flame discrimination even in dusty, vibrating, or high-radiation environments.
FAQ
Q: Why use a fiber-optic flame detector?
→ It protects the sensor from extreme heat while maintaining a clear optical path for accurate detection.
Q: Does it work without direct line-of-sight?
→ Yes. The fiber-optic cable allows indirect routing around obstacles or angled burner throats.
Q: How fast does it detect flame loss?
→ It responds in <200 ms and provides flame failure signaling in <1 second for rapid burner trip actions.
Q: What adjustments are available?
→ A built-in 0–100% sensitivity potentiometer enables tuning for different fuels and flame intensities.
Q: What industries commonly deploy this model?
→ Power generation, petrochemical, cement manufacturing, and waste-to-energy facilities.
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