Overview
The Honeywell LG1093AA26 is a high-performance ultraviolet (UV) flame sensor designed for industrial combustion systems. It reliably detects UV radiation emitted by flames and provides a robust signal to flame-monitoring amplifiers. Engineered to withstand extreme conditions, the sensor operates in very high or low temperature environments. Moreover, its stainless steel construction and long cable options make it well-suited for demanding installations. Therefore, it supports continuous, safety-critical flame detection for gas turbines, boilers, and other combustion applications.
Specification
| Parameter | Specification |
|---|---|
| Model / Part Number | LG1093AA26 |
| Detection Method | Ultraviolet (UV) flame detection |
| Mounting Interface | 3/4″ internal NPT |
| Control Panel Connection | Teflon-shielded cable with 1″ 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 Options | • AAx4: 16 ft (4.9 m)• AAx5: 42 ft (12.8 m)• AAx6: 61 ft (18.6 m) |
| Spectral Sensitivity | ~190–290 nm (UV region) |
| Typical Response Time | < 200 ms |
| Electrical Requirements | 260–350 VDC power from compatible amplifier (e.g., EG1033) |
| Certifications | • FM: Explosion Proof Class I, Div 1 & 2, Groups B, C, D• ATEX II 2G EEx d IIA/IIC T3• CE Mark (EMC 89/336/EEC) |
FAQ
Q1: What detection technology does the LG1093AA26 use?
A1: It uses ultraviolet (UV) sensing to detect flame presence, enabling accurate and fast flame signal generation.
Q2: Can the sensor operate in extreme conditions?
A2: Yes, it supports a wide temperature range from –40°F to +350°F, suitable for harsh industrial environments.
Q3: What mounting standard does it use?
A3: It mounts via a 3/4″ internal NPT thread, simplifying installation on burner nozzles or ports.
Q4: Are there long cable options?
A4: Yes, the sensor supports cable lengths of 16 ft, 42 ft, or 61 ft for flexible positioning.
Q5: Does it meet safety certifications for explosive atmospheres?
A5: Yes, it is FM explosion-proof (Class I, Div 1 & 2) and ATEX certified (II 2G, EEx d, IIA / IIC).
Q6: What power supply does the sensor require?
A6: It requires a 260–350 VDC supply from a compatible Honeywell amplifier like the EG1033.
Manual/Datasheet PDF
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