{"product_id":"honeywell-lg1093aa46-lg1093-flame-sensor","title":"Honeywell LG1093AA46 LG1093 Flame Sensor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eMonitoring hydrocarbon flames in heavy-duty gas turbine environments is the primary function of the Honeywell LG1093AA46 ultraviolet (UV) flame sensor. This industrial-grade Geiger-Mueller type sensor phototube detects radiation specifically in the 180 to 260 nm spectrum, rendering it completely solar-blind and highly tolerant to black-body radiation. Engineered for compatibility with EG1033 amplifier modules, this sensor serves as a critical safety component on General Electric and GE-licensee gas turbines. The assembly features a robust viewing window rated for high pressure and is equipped with an integrated, Teflon-shielded cable to withstand extreme thermal and mechanical stresses in power generation and compressor applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHighly Selective UV Detection:\u003c\/strong\u003e Uses a Geiger-Mueller phototube sensitive only to the 180 to 260 nm band to prevent false signals from hot turbine metal surfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Response Times:\u003c\/strong\u003e Typical flame-present recognition within 0.1 seconds and a maximum flame-loss shutdown response of 0.2 seconds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRugged Enclosure:\u003c\/strong\u003e Features a high-pressure viewing window rated up to 10 bar (150 psi) and 3\/4-inch internal NPT mounting connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Distance Transmission:\u003c\/strong\u003e Supports cable runs up to 330 meters (1000 feet) from the sensor to the remote EG1033 amplifier module.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHazardous Location Approvals:\u003c\/strong\u003e Certified for explosion-proof environments with ATEX\/CE and Factory Mutual (FM) ratings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eGeneral Electric (and GE licensee) industrial gas turbines.\u003c\/li\u003e\n  \u003cli\u003ePower generation turbine flame monitoring systems.\u003c\/li\u003e\n  \u003cli\u003eHeavy mechanical-drive pipeline compressors.\u003c\/li\u003e\n  \u003cli\u003eHazardous area combustion processes requiring Class I, Division 1 protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eHoneywell\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eLG1093AA46\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSensor Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eGeiger-Mueller phototube (UV)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSpectral Sensitivity Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e180 to 260 nm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOperating Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-40 to 176 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eFlame Present Response Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.1 seconds typical\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eFlame Loss Response Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.2 seconds maximum\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eWindow Pressure Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e10 bar (150 psi)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMechanical Connection\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3\/4-inch internal NPT\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eConduit Connection\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1-inch external conduit thread\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eIntegrated Cable\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e61 feet (approx. 18.6 meters), Teflon shielded\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOEM Cross Reference\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eGE 261A1812P15\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eReliability Profile\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e10,000 hours MTBF; 2-year shelf-life\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eExplosion Protection\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eATEX (EEx d IIC T3, Zones 1 \u0026amp; 2), FM (Class I, Div 1 \u0026amp; 2, Groups B, C, D)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe LG1093AA46 is physically and electrically interchangeable with standard GE part number 261A1812P15. It must be paired with Honeywell EG1033 series controller modules to process the phototube output. Note that this standard UV sensor is \u003cstrong\u003enot compatible with GE\/NP DLE (Dry Low-NOx) gas turbines\u003c\/strong\u003e. DLE turbines produce different flame emission signatures and require pre-selected, specialized UV sensors not available under standard Honeywell commercial designations.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe internal Geiger-Mueller tube will degrade rapidly if operated continuously above its maximum limit of 176 degC. In high-ambient compartments, proper cooling air or isolation mounts should be implemented to protect the internal optics. Additionally, because oil mist, soot, and heavy moisture absorb UV light in the 180 to 260 nm band, even minor window contamination can severely decrease sensitivity, resulting in false flame-out alarms despite an active combustion profile. Periodic inspection of the 10-bar rated optical window is critical.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe sensor's integral Teflon-shielded cable must be routed through dedicated, grounded metal conduit. Avoid running the high-sensitivity signal cable adjacent to high-voltage ignition transformer leads or heavy motor power lines to prevent EMI-induced false flame indications. Ensure the cable shield is tied directly to the designated instrument ground at the EG1033 amplifier side only; do not ground the shield at both ends to prevent ground loops.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0 0 0.5rem 0;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eDe-energize the entire turbine ignition and control system before starting installation. This device is installed in potentially explosive environments. Ensure all conduit seals are properly poured and certified explosive-proof threads are fully engaged to maintain ATEX\/FM safety compliance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; color: #2d3748;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"margin: 0; padding-top: 0.2rem;\"\u003eInspect the 3\/4-inch internal NPT mounting thread on the turbine casing or sight pipe. Ensure it is clean, free of carbon deposits, and correctly aligned with the primary flame zone.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"margin: 0; padding-top: 0.2rem;\"\u003eVerify that the sensor's quartz viewing window is completely clean. Use an approved industrial optical solvent if grease or particulate matter is present.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"margin: 0; padding-top: 0.2rem;\"\u003eThread the sensor onto the mounting pipe. Apply a high-temperature, anti-seize compound strictly to the external threads of the mounting pipe, ensuring no material contacts the viewing window.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cp style=\"margin: 0; padding-top: 0.2rem;\"\u003eConnect the 1-inch external conduit thread to the flexible protection conduit. Route the 61-foot Teflon-shielded cable to the junction box or cabinet housing the EG1033 amplifier module.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52679453901163,"sku":"LG1093AA46","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/lg1093aa46-zjg2jcemfof_2f8ffbec-ca76-40e6-802c-0e5129895cee.jpg?v=1765958444","url":"https:\/\/www.plcprotech.com\/ms\/products\/honeywell-lg1093aa46-lg1093-flame-sensor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}