{"product_id":"honeywell-spxcdalmrfd-sensepoint-xcd-rfd-gas-detector-transmitter","title":"Honeywell SPXCDALMRFD Sensepoint XCD RFD Gas Detector Transmitter","description":"\u003ch3\u003e\u003cstrong\u003eProduct Introduction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0000ff;\"\u003eHoneywell SPXCDALMRFD\u003c\/span\u003e\u003c\/strong\u003e is a remote transmitter from the \u003cstrong\u003eSensepoint XCD RFD Series\u003c\/strong\u003e. It interfaces with remotely installed catalytic or infrared flammable gas sensors. The transmitter supports Honeywell 705 and 705HT sensor types.\u003c\/p\u003e\n\u003cp\u003eIts three-wire architecture provides a configurable \u003cstrong\u003e4-20mA output\u003c\/strong\u003e for industrial gas monitoring systems. An optional \u003cstrong\u003eRS485 Modbus RTU interface\u003c\/strong\u003e enables digital communication with compatible controllers. Three programmable relays provide additional alarm and fault signaling.\u003c\/p\u003e\n\u003cp\u003eThe transmitter features a backlit LCD and non-intrusive magnetic controls. Operators can configure parameters and perform calibration without opening the enclosure. Its remote sensor arrangement supports installation distances up to \u003cstrong\u003e30 meters (100 feet)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe SPXCDALMRFD suits industrial plants, process facilities, and hazardous-area gas detection applications. Its enclosure options support demanding industrial installation environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSPXCDALMRFD\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensepoint XCD RFD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRemote Flammable Gas Detector Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Sensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHoneywell 705 and 705HT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\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\u003cstrong\u003eMaximum Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 W at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThree-wire 4–20mA, source or sink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Communication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485, Modbus RTU (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 × 5A at 250VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNormally open or normally closed; energized or de-energized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFault Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.0mA to below 1.0mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInhibit Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0–20.0mA during configuration or user settings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverrange Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.0mA maximum overrange indication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal Wire Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5–2.5mm² (20–13 AWG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLM25 epoxy-painted aluminum alloy or 316 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall or pole mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Entries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × 3\/4-inch NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Entry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4-inch NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Sensor Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 30m (100ft), subject to sensor and cable requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIngress Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAluminum Enclosure Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 1.9kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStainless Steel Enclosure Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 4.9kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eSignal Output and Detection Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSPXCDALMRFD\u003c\/strong\u003e transmits sensor-related gas detection signals to the plant control system. Its 4–20mA output supports standard industrial analog input channels.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormal Measurement:\u003c\/strong\u003e The 4–20mA range represents the configured gas measurement range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault Monitoring:\u003c\/strong\u003e Output below 1.0mA indicates a fault condition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration Status:\u003c\/strong\u003e The output enters its specified inhibit range during configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverrange Indication:\u003c\/strong\u003e A 22.0mA signal indicates maximum overrange.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Signaling:\u003c\/strong\u003e Three relays support configurable external alarm and control circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The transmitter's measurement range, resolution, sensitivity, and linearity depend on the connected sensor. Confirm these values against the selected 705 or 705HT sensor documentation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCorrect installation ensures reliable gas monitoring and stable signal transmission. Follow the approved project drawings and Honeywell installation instructions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Position:\u003c\/strong\u003e Install the transmitter on a rigid wall or suitable mounting pole.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Placement:\u003c\/strong\u003e Position the remote sensor near the potential gas release point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Connection:\u003c\/strong\u003e Keep the sensor cable within the specified 30-meter maximum distance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Provide a stable 16–32 VDC supply with sufficient power capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Wiring:\u003c\/strong\u003e Connect the three-wire 4–20mA circuit according to the source or sink configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Follow the approved grounding and shielding requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Entries:\u003c\/strong\u003e Use compatible 3\/4-inch NPT cable glands and suitable sealing components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Wiring:\u003c\/strong\u003e Verify contact ratings before connecting external alarm loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Areas:\u003c\/strong\u003e Follow the applicable installation rules and certified wiring methods.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCommissioning and Maintenance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe transmitter provides local configuration through its LCD and magnetic interface. Technicians can perform routine adjustments without removing the enclosure cover.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommissioning Procedure:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eVerify the transmitter model and connected sensor compatibility.\u003c\/li\u003e\n\u003cli\u003eInspect the enclosure, cable glands, terminals, and mounting hardware.\u003c\/li\u003e\n\u003cli\u003eCheck the supply voltage against the specified operating range.\u003c\/li\u003e\n\u003cli\u003eConfirm the selected 4–20mA source or sink configuration.\u003c\/li\u003e\n\u003cli\u003eConfigure the alarm relays and communication parameters.\u003c\/li\u003e\n\u003cli\u003eVerify the LCD status and fault indications.\u003c\/li\u003e\n\u003cli\u003ePerform sensor calibration using the approved calibration procedure.\u003c\/li\u003e\n\u003cli\u003eTest analog output, relay operation, and Modbus communication when installed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance Recommendations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInspect the enclosure for corrosion, damage, or moisture ingress.\u003c\/li\u003e\n\u003cli\u003eCheck terminal connections and cable gland sealing periodically.\u003c\/li\u003e\n\u003cli\u003ePerform sensor zero and span calibration at approved intervals.\u003c\/li\u003e\n\u003cli\u003eTest alarm relays and fault signaling during scheduled inspections.\u003c\/li\u003e\n\u003cli\u003eVerify Modbus communication and controller readings when applicable.\u003c\/li\u003e\n\u003cli\u003eRecord calibration results and maintenance activities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility and System Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell SPXCDALMRFD\u003c\/strong\u003e operates as a remote transmitter within a compatible Sensepoint XCD gas detection arrangement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Compatibility:\u003c\/strong\u003e Designed for remotely mounted Honeywell 705 and 705HT flammable gas sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLC\/DCS Integration:\u003c\/strong\u003e The 4–20mA output connects to compatible analog input channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Integration:\u003c\/strong\u003e Optional RS485 Modbus RTU supports compatible communication systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Integration:\u003c\/strong\u003e Three relay outputs support external alarm and control interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Compatibility:\u003c\/strong\u003e The system requires a 16–32 VDC supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCheck the sensor type, wiring arrangement, communication option, and firmware requirements before replacement. Do not assume direct compatibility with other Sensepoint transmitter variants.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEnclosure and Environmental Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe transmitter supports industrial environments through its enclosure design and specified operating limits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e -40°C to +65°C transmitter operating range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngress Protection:\u003c\/strong\u003e IP66 enclosure protection against dust and powerful water jets under specified test conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Version:\u003c\/strong\u003e LM25 epoxy-painted aluminum alloy construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Steel Version:\u003c\/strong\u003e 316 stainless steel construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Wall or pole mounting options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eVerify chemical exposure, ambient temperature, and hazardous-area requirements before selecting the enclosure material.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCertifications and Compliance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe supplied product information identifies ATEX, IECEx, and cCSAus hazardous-area certification options for the Sensepoint XCD platform.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eATEX hazardous-area certification.\u003c\/li\u003e\n\u003cli\u003eIECEx hazardous-area certification.\u003c\/li\u003e\n\u003cli\u003ecCSAus certification.\u003c\/li\u003e\n\u003cli\u003eClass I, Division 1 application suitability, subject to the exact certified configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSelection Note:\u003c\/strong\u003e Confirm the transmitter nameplate, enclosure variant, certificate number, and regional approval requirements before installation. Certification details can vary by product configuration.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging and Included Components\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe standard product identification is \u003cstrong\u003eHoneywell SPXCDALMRFD Transmitter Only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 × SPXCDALMRFD remote gas detector transmitter.\u003c\/li\u003e\n\u003cli\u003eStandard product enclosure in the ordered material configuration.\u003c\/li\u003e\n\u003cli\u003eManufacturer identification and product labeling.\u003c\/li\u003e\n\u003cli\u003eAdditional accessories or documentation, subject to the confirmed supply configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The remote gas sensor, mounting accessories, cable glands, and connection cables are not confirmed as standard inclusions. Please verify the final package contents before ordering.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the primary function of the Honeywell SPXCDALMRFD?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SPXCDALMRFD serves as a remote transmitter for compatible flammable gas sensors. It processes sensor signals and provides analog, relay, and optional digital outputs to control systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Which gas sensors are compatible with this transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis model supports remotely installed Honeywell 705 and 705HT flammable gas sensors. Confirm the exact sensor technology and connection requirements before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can the transmitter operate without a remote gas sensor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This transmitter requires a compatible remote sensor for gas measurement. It does not independently detect flammable gases.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: How can engineers diagnose an unexpected 0mA output?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFirst, measure the DC supply at the transmitter terminals. Then inspect the sensor wiring, terminal connections, and fault indications. An output below 1.0mA indicates a fault condition under the specified output scheme. Check the sensor and configuration before replacing the transmitter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What should technicians check when the 4–20mA signal remains abnormal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompare the transmitter output with the configured sensor range. Check for inhibit conditions, wiring resistance, incorrect source or sink settings, and sensor calibration errors. Also verify the receiving PLC or DCS input configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6: How should buyers select between aluminum and stainless steel enclosures?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoose LM25 aluminum for suitable general industrial environments. Consider 316 stainless steel for applications requiring greater material resistance to corrosive exposure. Evaluate the actual chemicals, installation conditions, and project specifications before selection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ7: Can the SPXCDALMRFD communicate with a PLC or DCS through Modbus?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The optional RS485 Modbus RTU interface supports digital integration with compatible controllers. Confirm the communication option, baud rate, address, and register mapping during system design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ8: What should buyers confirm before ordering a replacement transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCheck the complete model number, sensor compatibility, enclosure material, output configuration, and communication requirements. Also verify hazardous-area approvals and terminal arrangements. These checks help prevent wiring and integration problems during commissioning.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":68045553565878,"sku":"SPXCDALMRFD","price":314.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/SPXCDALMRFD-3.jpg?v=1794452325","url":"https:\/\/www.plcsparehub.com\/products\/honeywell-spxcdalmrfd-sensepoint-xcd-rfd-gas-detector-transmitter","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}