Overview
The Honeywell LG1093AA25 Flame Sensor provides reliable ultraviolet flame detection for industrial burners and combustion systems. It delivers fast response, long-term stability, and dependable operation in high-temperature environments. Moreover, its rugged construction helps engineers maintain safe combustion control, even in demanding energy or process applications. The sensor integrates easily with Honeywell control panels, allowing stable performance and consistent system diagnostics.
Specification
| Parameter | LG1093AA25 Specification |
|---|---|
| Mounting Interface | 3/4-inch internal NPT |
| Flange Dimensions | 1.73 in O.D. × 0.14 in width |
| Control Panel Connection | Teflon-shielded cable with 1-inch external conduit thread |
| Operating Temperature | –40°F to +350°F |
| Window Pressure Rating | 150 psig at 400°F |
| Special Certifications | Factory Mutual Explosion Proof Class I, Div 1 & 2, Groups B, C, D; CE Mark EMC Directive 89/336/EEC; ATEX Directive 94/9/EC II 2G; EEx d IIA T3 or EEx d IIC T3 |
| Cable Length Options | AAx4: 16 ft (4.9 m); AAx5: 42 ft (12.8 m); AAx6: 61 ft (18.6 m) |
FAQ
Q1: What is the primary function of the Honeywell LG1093AA25?
A1: It detects ultraviolet radiation from a stable flame, ensuring safe combustion monitoring.
Q2: Can the sensor operate in extreme temperatures?
A2: Yes, it operates from –40°F to +350°F, which supports harsh burner environments.
Q3: Is the LG1093AA25 suitable for hazardous locations?
A3: Yes, it carries FM explosion-proof certifications for Class I, Divisions 1 and 2.
Q4: What type of cable interface does this model use?
A4: It uses a Teflon-shielded cable with a 1-inch external conduit thread.
Q5: Does the sensor support long-distance mounting?
A5: Yes, multiple cable length options up to 61 ft provide flexible installation.
Q6: What pressure rating does the viewing window support?
A6: It withstands 150 psig at 400°F, making it suitable for pressurized burner chambers.
Manual/Datasheet PDF
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