SF810I
Uvisor™ SF810i pairs superior flame detection with operational safety for demanding industrial applications. It's engineered for multi-fuel combustion systems, with advanced UV, IR, UVIR and Pyro sensor options, robust design and smart Modbus or Profibus connectivity.
OVERVIEW
Uvisor™ SF810i delivers safe, reliable flame detection with integrated signal processing for simplified installation and reduced hardware.
Designed for multi-fuel applications, it delivers precise combustion control, minimizes emissions, and prevents costly shutdowns. Compatible with Flame Explorer™ and Profibus for real-time diagnostics and proven performance in the toughest environments.
KEY BENEFITS
Uvisor™ SF810i delivers safety, efficiency, and seamless integration for modern combustion systems. Combining multi-fuel flexibility, advanced UV/IR sensors and rugged design with smart connectivity and reliable flame detection.
Multi-fuel flexibility
Handles a wide range of fuels for diverse industrial applications.Advanced sensor technology
Delivers precise flame detection and discrimination with UV, IR, UVIR, and Pyro sensor options.Enhanced safety
Reduced risk of burner failure and plant shutdowns with reliable flame monitoring.Smart connectivity
Delivers seamless communication with control systems through an integrated Modbus RTU or Profibus DP.Robust design
Cooling options for high-temperature conditions ensure reliable results in the harshest environments.Low maintenance and high reliability
Minimized downtime and lifecycle costs with proven durability.Technical specifications
| Property | Value |
| Optical sensor technology | IR versions: Si photodiode Spectral response peak @ 920nm PYRO version: Si-Si dual IR color photodiode2 920nm
1Si and SiC photodiodes signals can be processed individually or both combined as per burner |
| Measured temperature range | 800°C to 1800°C (1472° F to 3272°F) @ +/-1% absolute accuracy1 1SF810i-PYRO only |
| Power supply voltage | 24 VDC (-25%, +20% = 18 to 29 VDC) |
| Power supply current | 150mA typical |
| Power consumption | 3.6W typical, 4W max |
| Inrush current | 6A peak, 2ms settling time |
| FFRT | Flame Failure Response Time: 0.2s to 4s |
| Flame pull-in time delay | 0 to 10 s |
| Flame Relay | Contacts: 1 NO, for each relay |
| Safe Relay | 240 VAC / 1.5A cycles ≥100,000 240 VDC / 100 mA 30 VDC / 300mA Minimum load 10mA, 5 VDC |
| Analog outpu | 4 to 20 mA (R load <= 500) Galvanically isolated Precision: +/-5% f.s. |
| Digital inputs, 24 VDC | Nr. 2 digital inputs (opto coupled), to allow selection of one out of four different sets of parameters; return signal common to both inputs. Nominal voltage 24Vdc (5 mA typical) Max Voltage 36 VDC Off: < 5 VDC On: > 18 VDC |
| Communication ports* | Two, redundant, RS-485 serial channels configurable in PROFIBUS DP-V1 or Modbus RTU protocols. PROFIBUS DP-V1: max speed 12 Mbit/s Modbus RTU: max speed 115.200 bit/s |
| Local configuration interface | 4 push-button (UP, DOWN, LEFT, RIGHT) 3-digits LED display |
| Air source for lens cleaning | From clean ambient air |
| Air flow for lens cleaning | LOS (Line Of Sight) versions: 115 l/min (4 SCFM) Excessive contaminants might require a flow up to 400 l/min (14 SCFM) FOC (Fiber Optic Cable) versions: 400 l/min (14 SCFM) |
| Minimum cleaning air pressure | LOS (Line Of Sight) versions: 20mm H2O (1" W.C.) above the max wind box pressure measured at the “Y” connection inlet. FOC (Fiber Optic Cable) versions: 400mm H2O (12" W.C.) above the max wind box pressure measured at the “Y” connection inlet. |
| Maximum fiber optic continuous operating |
482° C (900° F) for VL and IR fiber optic cables 350° C (662° F) for UV and dual sensor UVIR fiber optic cable |
| Housing mounting thread | 1" NPT male |
| Cable entry thread | 3/4" NPT female (N/A for connectorized versions |
| Electrical connections (terminal versions) |
Removable terminals with screws Allowable cable section: AWG24-AWG12, 0.2-2.5mm2 for Relay contacts (J1 connector) AWG28-AWG16, 0.08-1.5mm2 for all other terminals |