{"product_id":"lg1093aa44-flame-sensor-honeywell","title":"LG1093AA44 Flame Sensor | Honeywell","description":"\u003cp\u003eConfigured for ultraviolet radiation detection and fast response signal generation in gas turbine flame monitoring systems, the \u003cstrong\u003eHoneywell LG1093AA44\u003c\/strong\u003e (\u003cstrong\u003eLG1093\u003c\/strong\u003e Flame Sensor) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eLG1093AA44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.0 kg (Shipping Weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3\/4 inch internal NPT mounting \/ 1 inch external conduit thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +176 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSensor head contains no active power supply (Passive GM tube)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpectral Range\u003c\/td\u003e\n\u003ctd\u003e180 nm to 260 nm (Ultraviolet spectrum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eViewing window rated for 10 bar (150 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Assembly\u003c\/td\u003e\n\u003ctd\u003eIntegral Teflon-shielded cable, 16 ft (4.9 m) length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlame Response Time\u003c\/td\u003e\n\u003ctd\u003eFlame Present: 0.1 sec typical; Flame Loss: 0.2 sec max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003eCompatible with EG1033 series amplifier modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 330 m (1,000 ft) sensor-to-amplifier distance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Approvals\u003c\/td\u003e\n\u003ctd\u003eATEX (EEx d IIA T3 \/ EEx d IIC T3, Zone 1 \u0026amp; 2), FM (Class I, Div 1 \u0026amp; 2, Groups B, C, D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe optical sensor assembly utilizes a solar-blind Geiger Mueller phototube engineered to isolate ultraviolet radiation signals in the 180 nm to 260 nm spectral band while ignoring infrared and black-body radiation background noise. Electrical channel-to-channel isolation between the optical sensing head and the associated EG1033 amplifier module prevents ground loop currents across the 330 m transmission line. This isolation structure preserves pulse frequency fidelity during high-speed signal processing and emergency trip execution within turbine control architectures.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What amplifier modules are compatible with the LG1093AA44 flame sensor?\u003c\/p\u003e\n\u003cp\u003eA: The sensor operates specifically with Honeywell EG1033 series amplifier modules (including EG1033AA transistor open-collector outputs, and EG1033AB or EG1033AC SPDT relay contact outputs).\u003c\/p\u003e\n\u003cp\u003eQ: Can the LG1093AA44 be installed on Dry Low NOx (DLE) gas turbines?\u003c\/p\u003e\n\u003cp\u003eA: No, standard LG1093 series sensors are not optimized for low-emissions combustors; DLE gas turbine applications require pre-selected sensor variants tailored for low UV intensity flames.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum pressure limit for the optical viewing window?\u003c\/p\u003e\n\u003cp\u003eA: The integrated optical viewing window is rated to withstand turbine sight-pipe combustion pressures up to 10 bar (150 psi).\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThread the sensor body onto the 3\/4 inch NPT sight pipe connection, ensuring a minimum of 5 full NPT thread engagements with high-temperature pipe sealant.\u003c\/li\u003e\n\u003cli\u003ePass the integral 16 ft Teflon-shielded cable through a 1 inch protective metal conduit to safeguard against physical abrasion and radiant heat.\u003c\/li\u003e\n\u003cli\u003eGround the cable shield drain wire strictly at the EG1033 amplifier terminal strip to eliminate circulating chassis ground loops.\u003c\/li\u003e\n\u003cli\u003eInspect and clean the sight glass window periodically using a non-abrasive solvent wipe to prevent soot buildup from attenuating UV light transmission.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53631678087477,"sku":"LG1093AA44","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/LG1093AA44.png?v=1790144685","url":"https:\/\/www.5gplc.com\/products\/lg1093aa44-flame-sensor-honeywell","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}