Description
The Honeywell LG1093AA25 is a UV flame sensor designed for industrial applications, particularly in power generation and gas turbine installations. It detects ultraviolet radiation emitted by hydrocarbon flames, ensuring reliable flame monitoring and combustion control. This sensor is widely used in shipboard power generation, pumping stations, and industrial furnaces.
Specifications
- Detection Technology: Geiger-Mueller-type phototube
- Spectral Response: 1800 - 2600 angstroms (solar blind)
- Mounting Interface: 3/4 inch internal NPT
- Control Panel Connection: Teflon shielded cable with one-inch external conduit thread
- Operating Temperature: -40°F to +350°F (-40°C to +177°C)
- Window Pressure Rating: 150 psig at 400°F
- Cable Length: 42ft (12.8m)
- Response Time: Typically <200 ms
- Material: Stainless steel (1.4571) in some variants
- Power Supply: DC voltage from an amplifier (260 - 350VDC)
- Output: Frequency output (275 sec⁻¹ ± 25 sec⁻¹) or current loop (4-20mA DC)
- Approvals: May include CE, CSA, ATEX certifications
- Pressure Rating: Up to 300 psig at high temperatures
Features
- High sensitivity with fast response time (0.1 sec typical)
- Amplifiers support multiple voltage requirements: 28 Vdc, 20-35 Vdc, and 115 Vac
- Operating distances up to 1000 feet, sensor to amplifier
- Available with Factory Mutual approval for explosive atmospheres
- CE mark for EMC 89/336/EEC, LVD 73/23/EEC, and ATEX Explosive Atmosphere 94/9/EC compliance
- Qualified component for General Electric turbines
