{"product_id":"honeywell-2108b2001-searchpoint-optima-plus-gas-detector","title":"Honeywell 2108B2001 Searchpoint Optima Plus Gas Detector","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 2108B2001\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e2108B2001\u003c\/strong\u003e Infrared Gas Detector, operates as a dedicated hardware component for continuous hydrocarbon gas concentration measurement within Searchpoint Optima Plus safety monitoring systems.\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\u003e2108B2001\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\u003eUK \/ As specified on hardware label\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.14 lbs (1.88 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Searchpoint Optima Plus explosion-proof housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal (18 to 32 VDC operational range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eDual-wavelength compensated optical infrared\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e4-20 mA HART loop protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003e316 stainless steel enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP66 \/ IP67\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 2108B2001 optical assembly utilizes a dual-wavelength infrared measuring system that actively calculates gas absorption ratios while suppressing environmental drift. Measurement telemetry outputs directly via a 4-20 mA HART loop protocol interface, allowing simultaneous analog level reporting and digital diagnostic queries from central Safety Instrumented Systems (SIS) or DCS controllers. Internal power regulation and signal conditioning circuits provide galvanic channel-to-channel isolation, preventing ground loops and transient electrical interference from corrupting critical alarm thresholds.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the 2108B2001 process internal self-diagnostics and optical window contamination?\u003c\/p\u003e\n\u003cp\u003eA: The onboard microprocessor continuously monitors infrared beam intensity and optical path clarity, outputting a dedicated fault signal or HART diagnostic message if window obscuration exceeds pre-programmed operational limits.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 2108B2001 gas detector interface with 24 VDC industrial control loops?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit is powered by a standard 24 VDC nominal supply line and integrates directly into standard 4-20 mA analog control loops.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThread the 316 stainless steel detector body into an approved explosion-proof junction box using correct NPT or metric conduit entries with minimum 5-thread engagement.\u003c\/li\u003e\n\u003cli\u003eAlign the optical head downward or horizontally to prevent dust, condensation, and rain accumulation on the hydrophobic optical weather protection cap.\u003c\/li\u003e\n\u003cli\u003eConnect shielded 3-core cable to the terminal enclosure, securing the cable braid\/shield to the chassis earth terminal at one end only to prevent ground loops.\u003c\/li\u003e\n\u003cli\u003ePerform zero-point calibration verification using clean air or target gas verification adapters after physical installation and electrical warm-up.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53207788847413,"sku":"2108B2001","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/2108B2001.png?v=1784791687","url":"https:\/\/www.5gplc.com\/products\/honeywell-2108b2001-searchpoint-optima-plus-gas-detector","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}