SPXCDALMFX: fixed catalytic monitoring from 0 to 100%LEL

The Honeywell SPXCDALMFX is a complete Sensepoint XCD fixed detector configured for flammable gas measurement using catalytic sensor technology. Honeywell ordering information identifies this model with a 0-100%LEL range, an LM25 aluminum-alloy enclosure and M20 cable entry.

Unlike a transmitter-only spare, SPXCDALMFX includes the detector and flammable catalytic sensing configuration. It is intended for permanently installed industrial gas detection points that connect to a plant alarm or control system.

Verified model configuration

Where a catalytic LEL detector fits

Catalytic detectors are widely used where combustible gases or vapors could accumulate and sufficient oxygen is present for the sensing principle to operate. Typical locations include process areas, compressor or pump zones, fuel handling, chemical production, storage areas and other industrial spaces identified by a formal gas-hazard assessment.

Gas response and calibration depend on the target gas. A detector calibrated to methane can respond differently to other combustible gases, so the responsible gas-detection engineer must confirm the calibration gas, correction factors, alarm thresholds and suitability for the actual atmosphere.

Sensepoint XCD operating advantages

• Clear local status: the backlit display provides gas reading, alarm and fault information at the detector.

• Non-intrusive operation: magnetic-switch interaction supports configuration and maintenance without opening the enclosure.

• Industrial integration: standard analog output and alarm relays support connection to suitable control systems.

• Serviceable platform: replaceable sensor components support planned maintenance of installed detection points.

Important application checks

Catalytic sensors can be affected by oxygen-deficient atmospheres and exposure to catalyst poisons or inhibitors such as silicones, lead compounds, sulfur compounds and certain halogenated materials. Detector selection, installation, bump testing and calibration frequency must follow Honeywell's current manual and the site's approved maintenance procedure.

SPXCDALMFX RFQ checklist

1. Required quantity and delivery country.

2. Confirm 0-100%LEL catalytic detection.

3. State the target gas and calibration requirement.

4. Confirm LM25 enclosure and M20 entry.

5. Provide the existing nameplate for replacement orders.

6. List required approvals, outputs, weather protection and calibration accessories.

Availability, exact approval configuration and lead time are confirmed in the formal quotation. A nameplate photo and application details help prevent confusion with infrared, toxic, oxygen or transmitter-only Sensepoint XCD variants.