SPXCDUSNRXM
SPXCDUSNRXM is the Sensepoint XCD Infrared (dual-beam) methane complete transmitter, default 0-100%LEL, 316 stainless steel (UL), 2 × ¾″ NPT, UL. RS485 Modbus RTU.
Part-number matrix
| Segment | Meaning | This SKU |
|---|---|---|
| SPXCD | Sensepoint XCD series | SPXCD |
| A / U | Approval A=ATEX/IECEx/GB; U=UL | U |
| L / S | Enclosure L=LM25 aluminium; S=316SS | S |
| M / N | Entry M=M20; N=3/4″ NPT | N |
| RX | methane，Infrared (dual-beam) | RX |
| M | RS485 Modbus RTU | M |
Key specifications
| Target gas | CH₄ / methane |
|---|---|
| Principle | Infrared (dual-beam) |
| Default range | 0-100%LEL |
| User FSD window | 20.0–100.0%LEL |
| Resolution | 10%LEL |
| Output | 4–20 mA sink/source + Modbus RTU |
| Supply | 12–32 VDC (24 VDC nominal) |
| Power | 3.7 W |
| Enclosure | 316 stainless steel (UL) |
| Entries | 2 × ¾″ NPT |
| Display | Tri-colour backlight LCD |
| Relays | 3×5A@250VAC |
| Ingress | IP66 |
| Approvals | UL |
| Temperature | −40~+65 ℃ |
| Mass | approx. 3.7 kg |
Why this principle
Dual-beam IR sees methane’s absorption band, resists catalytic poisons and works in inert atmospheres.
Typical applications
Fixed-point leak monitoring into a controller/ESD on 4–20 mA. Magnetic bump test without a hot-work permit.
Installation
Wall-mount SPXCDUSNRXM through the one-piece plate with M8 bolts. Entries 2 × ¾″ NPT — glands must match. Land 4–20 mA as three-wire. Magnetic wand calibration stays non-intrusive.
FAQ
- Is SPXCDUSNRXM IP66?
- SPXCDUSNRXM housing is IP66 (EN 60529). With weather cap and sinter down, IPX6 is kept.
- Who supplies SPXCDUSNRXM and what should I quote?
- Supplied by authorized Honeywell distributor Beijing Dongfang Haitai (GZion). Quote full P/N SPXCDUSNRXM. Not in stock — orders accepted; lead time approx. 10 weeks. Quote full P/N SPXCDUSNRXM.
- Does SPXCDUSNRXM need weather protection?
- Outdoors, fit SPXCDWP weather protection on SPXCDUSNRXM with the sinter down.
- Does SPXCDUSNRXM carry a China / GB certificate?
- SPXCDUSNRXM literature states GB Ex d IIC T4 (GB3836); no standalone CNEx serial is published here.
- How do I calibrate SPXCDUSNRXM?
- Zero/span SPXCDUSNRXM on the transmitter with certified gas and cap S3KCAL. Recalibrate after cartridge swap.
- What gas and range does SPXCDUSNRXM cover?
- SPXCDUSNRXM measures methane at default 0-100%LEL (user window 20.0–100.0%LEL). Principle: Infrared (dual-beam).
Downloads
Honeywell official technical manual and certificates are available from GZion as PDF.
Availability and enquiry
Availability:Not in stock — orders accepted; lead time approx. 10 weeks. Quote full P/N SPXCDUSNRXM.