{"product_id":"spxcdalmhx-honeywell-sensepoint-xcd-fixed-h2s-transmitter","title":"SPXCDALMHX Honeywell Sensepoint XCD Fixed H2S Transmitter","description":"\u003ch3\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan style=\"color: #1673b1;\"\u003eHoneywell SPXCDALMHX\u003c\/span\u003e\u003c\/b\u003e is a fixed industrial gas detector from the \u003cb\u003eSensepoint XCD series\u003c\/b\u003e. It detects hydrogen sulfide (H₂S) in industrial environments. The unit combines a gas sensor, transmitter, local display, and configurable alarm outputs.\u003c\/p\u003e\n\u003cp\u003eThis model uses an electrochemical H₂S sensor. Its standard measurement range is \u003cb\u003e0–50 ppm\u003c\/b\u003e. Users can select a full-scale range from 10 to 100 ppm. The detector supports continuous gas monitoring in potentially hazardous areas.\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eLM25 aluminum enclosure\u003c\/b\u003e provides mechanical protection for industrial installation. Its M20 cable entry supports compatible electrical connections. The integrated LCD displays gas readings and operating status. Magnetic switches allow configuration without opening the enclosure.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBrand\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModel\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eSPXCDALMHX\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSeries\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSensepoint XCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProduct Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eFixed Industrial Gas Detector and Transmitter Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eTarget Gas\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHydrogen Sulfide (H₂S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSensor Technology\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrochemical (EC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eStandard Measurement Range\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0–50 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSelectable Full-Scale Range\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e10–100 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRange Adjustment Step\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDefault Calibration Point\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e25 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eResponse Time (T90)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than 50 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMeasurement Accuracy\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e±1 ppm under specified test conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Supply\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e16–32 VDC, 24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaximum Power Consumption\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7 W for electrochemical sensor versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAnalog Output\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e4–20 mA, selectable sink or source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDigital Communication\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485 Modbus RTU, optional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAlarm Relays\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2 programmable alarm relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFault Relay\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1 programmable fault relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRelay Rating\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e5 A at 250 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDisplay\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eTri-color backlit LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eConfiguration Method\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-intrusive magnetic switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEnclosure Material\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eLM25 aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCable Entry\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eM20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eIngress Protection\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSensor Operating Temperature\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eExtended Temperature Rating\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eConfirm the applicable certification and sensor limitations before installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperating Humidity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e20–90% RH continuous, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDimensions (L × W × H)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e99 × 164 × 225 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003eMeasurement Performance and Environmental Resistance\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe electrochemical sensor measures H₂S concentration in parts per million. Its default full-scale range is 50 ppm. The user can select other supported full-scale settings.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eResolution:\u003c\/b\u003e The selectable range adjustment step is 1 ppm. This value is not a separately specified display resolution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eResponse:\u003c\/b\u003e The specified T90 response time is less than 50 seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAccuracy:\u003c\/b\u003e Typical specification is ±1 ppm under defined calibration conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLinearity:\u003c\/b\u003e Consult the applicable sensor performance documentation for a separate linearity specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFrequency Response:\u003c\/b\u003e Not specified as a frequency-based measurement parameter. T90 defines the gas response time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature:\u003c\/b\u003e The H₂S electrochemical sensor operates from -20°C to +55°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHumidity:\u003c\/b\u003e Supports 20–90% RH continuous operation without condensation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnclosure Protection:\u003c\/b\u003e IP66 protects the enclosure against dust and powerful water jets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElectrical Noise:\u003c\/b\u003e Follow the manufacturer's grounding, shielding, and cable installation instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eInstallation Guidelines\u003c\/b\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cb\u003eMounting Location:\u003c\/b\u003e Select a position that represents the potential H₂S exposure area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting Orientation:\u003c\/b\u003e Follow the manufacturer's sensor orientation and installation requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMechanical Installation:\u003c\/b\u003e Use the integrated mounting plate for direct surface installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePipe Installation:\u003c\/b\u003e Use the optional bracket for compatible horizontal or vertical pipe mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCable Entry:\u003c\/b\u003e Use compatible M20 glands and suitable mechanically protected cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElectrical Supply:\u003c\/b\u003e Provide a stable 24 VDC nominal supply within the specified voltage range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSignal Wiring:\u003c\/b\u003e Match the 4–20 mA sink or source configuration to the receiving controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGrounding:\u003c\/b\u003e Follow the manufacturer's shielding and earthing recommendations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUnused Entry:\u003c\/b\u003e Seal unused cable entries with approved blanking plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinal Inspection:\u003c\/b\u003e Check wiring, enclosure sealing, and certification requirements before energizing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cb\u003eCommissioning and Maintenance\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eProper commissioning establishes reliable gas detection and alarm operation. Follow the approved site safety procedures and Honeywell technical manual.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInitial Configuration:\u003c\/b\u003e Confirm the H₂S sensor type and selected measurement range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eZero Calibration:\u003c\/b\u003e Perform zero calibration under the specified gas-free conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpan Calibration:\u003c\/b\u003e Apply certified H₂S calibration gas at the recommended concentration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAlarm Testing:\u003c\/b\u003e Verify both alarm levels and the fault relay response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Testing:\u003c\/b\u003e Check the 4–20 mA signal at the receiving control system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisplay Inspection:\u003c\/b\u003e Confirm gas readings and status indications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRoutine Maintenance:\u003c\/b\u003e Schedule bump tests and calibration according to site requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSensor Replacement:\u003c\/b\u003e Replace the sensor cartridge when performance or service-life limits require it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eMaintenance advantage:\u003c\/b\u003e Magnetic configuration switches reduce routine access requirements. Plug-in sensor construction also simplifies replacement work.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eSystem Compatibility\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePLC Systems:\u003c\/b\u003e Connect through a compatible 4–20 mA analog input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDCS Systems:\u003c\/b\u003e Integrate gas concentration and alarm signals into distributed control systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Monitoring Panels:\u003c\/b\u003e Use programmable relays for external alarm and fault indication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModbus Networks:\u003c\/b\u003e Use the optional RS485 Modbus RTU interface when the required communication option is installed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Systems:\u003c\/b\u003e Provide a compatible regulated DC supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCheck input impedance, analog signal configuration, relay ratings, communication options, and wiring requirements before integration. The standard SPXCDALMHX ordering code does not include the optional Modbus suffix.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eCertification and Compliance\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eATEX:\u003c\/b\u003e Applicable certified hazardous-area protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIECEx:\u003c\/b\u003e International explosion-protection certification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKTL:\u003c\/b\u003e Korean certification option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePA:\u003c\/b\u003e Chinese product approval designation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGB:\u003c\/b\u003e Chinese explosion-protection standard designation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Rating:\u003c\/b\u003e IP66 enclosure protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eVerify the actual product nameplate and certificate scope before installation. Hazardous-area suitability depends on the complete equipment configuration and site classification.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003ePackage Contents\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × \u003cb\u003eHoneywell SPXCDALMHX\u003c\/b\u003e Sensepoint XCD transmitter and H₂S sensor kit.\u003c\/li\u003e\n\u003cli\u003eStandard mounting and connection components supplied with the ordered configuration.\u003c\/li\u003e\n\u003cli\u003eProduct identification and applicable documentation, subject to the supplied package.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOptional accessories, calibration gas equipment, mounting brackets, and communication modules require separate confirmation.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ1: What gas does the Honeywell SPXCDALMHX detect?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIt detects hydrogen sulfide (H₂S) using an electrochemical sensor. Its standard measurement range is 0–50 ppm.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ2: Can SPXCDALMHX detect methane or combustible gases?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This model is configured for H₂S detection. Select a methane-specific catalytic or infrared model for combustible gas monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ3: Does SPXCDALMHX support Modbus RTU communication?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eModbus RTU is an optional communication feature. Confirm the installed hardware and ordering suffix before planning an RS485 connection.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ4: What should engineers check when replacing an existing Sensepoint XCD detector?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eCheck the gas type, sensor technology, enclosure material, cable entry, certification, supply voltage, and output configuration. Matching the Sensepoint XCD series alone does not guarantee direct interchangeability.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ5: How should buyers select the correct Sensepoint XCD model?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eStart with the target gas and required measurement range. Then verify sensor technology, hazardous-area certification, enclosure material, cable entry, and control-system interfaces. For H₂S applications, confirm the required alarm thresholds and calibration requirements before ordering.\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eOrdering and Supply Information\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProduct:\u003c\/b\u003e Honeywell Sensepoint XCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e SPXCDALMHX\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCondition:\u003c\/b\u003e New \u0026amp; Original in Factory Packing\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e Factory Warranty: 12 Months\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShipping:\u003c\/b\u003e FedEx, UPS, DHL available\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDelivery:\u003c\/b\u003e 24–48 hours shipping subject to stock confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eContact Global PLC Spare HUB for product quotations, availability, technical documentation, and replacement support.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":68045555925174,"sku":"SPXCDALMHX","price":156.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/SPXCDALMHX-3.jpg?v=1794452407","url":"https:\/\/www.plcsparehub.com\/products\/spxcdalmhx-honeywell-sensepoint-xcd-fixed-h2s-transmitter","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}