LG1093AA44

Overview

The Honeywell LG1093AA44 is a UV flame sensor from the LG1093 series, designed for gas turbine flame monitoring systems. It detects hydrocarbon flame UV radiation and provides reliable flame/no‑flame indication for industrial combustion applications.

General Information

• Model: LG1093AA44

• System: Honeywell LG/EG flame monitoring system

• Application: Gas turbines for power generation and compressors

• Sensor Type: Geiger Mueller phototube

Functional Characteristics

• Detection Range: 180–260 nm UV spectrum

• Solar Blind: Yes, tolerant to black body radiation

• Response Time (Flame Present): 0.1 sec typical

• Response Time (Flame Loss): 0.2 sec max

• Shelf Life: 2 years

• MTBF: 10,000 h, >1 billion operating hours

Electrical Characteristics

• Amplifier Compatibility: EG1033 modules only

  • EG1033AA: Transistor open collector

  • EG1033AB/AC: Relay contacts (SPDT)

• Supply Voltage: 28 VDC, 20–35 VDC, 115 VAC

• Operating Distance: Up to 330 m (1000 ft) sensor to amplifier

Environmental Conditions

• Temperature Range: −40…176 °C

• Approvals: CE (EMC 89/336/EEC, LVD 73/23/EEC), ATEX (EEx d IIA T3 / IIC T3, Zone 1 & 2), Factory Mutual (Class I, Div 1 & 2, Groups B, C, D)

Physical Characteristics

• Mounting: 3/4 in internal NPT

• Cable: Teflon shielded, 1 in external conduit thread

• Viewing Window: Rated 10 bar (150 psi)

• Cable Length: 16 ft (4.9 m)

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