{"product_id":"xnxxsm1ss-nitric-oxide-sensor-honeywell-modbus-rtu-output","title":"XNXXSM1SS Nitric Oxide Sensor | Honeywell Modbus RTU Output","description":"\u003ch2\u003e\u003cstrong\u003eHoneywell XNXXSM1SS Smart Sensor with Modbus Output for NO Detection\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Type:\u003c\/strong\u003e Isolated RS485 with Modbus RTU protocol.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaud Rate:\u003c\/strong\u003e Selectable from 1200 to 19.2K baud.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Nodes:\u003c\/strong\u003e Supports up to 254 XNX compatible transmitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e RS485+, RS485-, and Drain terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Matches Foundation Fieldbus module capabilities (optional).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExclusivity:\u003c\/strong\u003e Mutually exclusive with relays and Foundation Fieldbus options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eGas Detection Specifications (NO, Nitric Oxide)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Gas:\u003c\/strong\u003e Nitric Oxide (NO).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDefault Range:\u003c\/strong\u003e 100 ppm (full scale not selectable).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Detectable Limit:\u003c\/strong\u003e 3 ppm for low-level NO detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration Gas Range:\u003c\/strong\u003e 30% to 70% of full scale; default cal point 50 ppm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e T50 under 15 seconds, T90 under 30 seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2 ppm delivers precise and reliable readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOperating Temperature \u0026amp; Environment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e Operates from -20°C (-4°F) to 55°C (131°F).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrochemical Sensor:\u003c\/strong\u003e Provides stable NO-specific response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Resists humidity and minor temperature fluctuations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterference Protection:\u003c\/strong\u003e Built-in filters minimize cross-gas effects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs this a brand new, original module?\u003c\/strong\u003e Yes, we stock only brand new, original \u003cstrong\u003eHoneywell XNXXSM1SS\u003c\/strong\u003e modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo you have stock available?\u003c\/strong\u003e Yes, we maintain ample stock for immediate shipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I use this module with relays simultaneously?\u003c\/strong\u003e No, the Modbus option is mutually exclusive with relays and Foundation Fieldbus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many transmitters can connect to one network?\u003c\/strong\u003e Up to 254 XNX compatible transmitters on a single Modbus network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the default NO calibration point?\u003c\/strong\u003e The default cal point is 50 ppm (30-70% of range).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the T90 response time for NO?\u003c\/strong\u003e Under 30 seconds for 90% of final reading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturn policy?\u003c\/strong\u003e We support 30-day returns for unused items in original packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContact Information Inquiries:\u003c\/strong\u003e \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e , \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e (WhatsApp).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePartner NexAuto Technology Limited:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":46900237697185,"sku":"XNXXSM1SS","price":228.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/XNXXSM1SS.jpg?v=1787131331","url":"https:\/\/www.autonexcontrol.com\/products\/xnxxsm1ss-nitric-oxide-sensor-honeywell-modbus-rtu-output","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}