Overview
The Honeywell LG1093AA44 is part of the LG1093 UV Flame Monitor System, built for industrial power generation and gas turbine applications. It detects ultraviolet radiation in hydrocarbon flames and delivers dependable protection for equipment in demanding environments. This flame sensor has been proven across power plants, offshore operations, and shipboard systems for more than 35 years.
Sensor Technology
The LG1093AA44 uses a Geiger-Mueller-type phototube to sense UV radiation between 1800 and 2600 angstroms. It is solar blind, meaning sunlight interference does not affect its performance. In addition, the sensor tolerates black body radiation, ensuring accurate monitoring in challenging industrial conditions.
Performance and Reliability
The Honeywell LG1093AA44 reacts in just 0.1 seconds, allowing operators to quickly identify flame status. It supports a 10,000-hour MTBF and offers a two-year shelf life. With over one billion operating hours in field use, it has demonstrated exceptional reliability.
Key Features
- High sensitivity with rapid 0.1-second response
- Compatible amplifiers with 28 Vdc, 20–35 Vdc, or 115 Vac input
- Supports long-distance installation up to 1000 feet
- Explosion-proof option approved by Factory Mutual
- Certified for European safety standards, including ATEX and EMC directives
- Qualified for use in GE turbines
Technical Specifications
| Specification | Details |
|---|---|
| Mounting Interface | 3/4 inch internal NPT thread |
| Control Panel Connection | Teflon shielded cable with 1 inch external conduit thread |
| Operating Temperature | -40°F to +350°F (-40°C to +177°C) |
| Window Pressure Rating | 150 psig at 400°F |
| Response Time | 0.1 seconds |
| Sensor Type | Geiger-Mueller phototube, UV detection 1800–2600 Å |
| MTBF | 10,000 hours |
| Shelf Life | 2 years |
| Distance Capability | Up to 1000 feet between sensor and amplifier |
| Certifications | Factory Mutual Explosion-Proof, CE Mark, ATEX 94/9/EC, EMC 89/336/EEC |
Cable Options
The Honeywell LG1093AA44 is available with different cable lengths to suit installation requirements:
- LG1093AAx4: 16 ft (4.9 m)
- LG1093AAx5: 42 ft (12.8 m)
- LG1093AAx6: 61 ft (18.6 m)
Applications
The LG1093AA44 Flame Sensor is trusted in power generation, offshore platforms, shipboard power systems, and GE turbines. Its fast detection, explosion-proof certification, and wide operating range make it a reliable choice for critical industrial monitoring.
Details
| Weight | 1.2 kg |
|---|---|
| Dimensions | 260 × 258 × 240 mm |
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