SPXCDULNPXM
SPXCDULNPXM is the Sensepoint XCD Infrared (dual-beam) propane complete transmitter, default 0-100%LEL, LM25 epoxy-coated aluminium (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 | L |
| M / N | Entry M=M20; N=3/4″ NPT | N |
| PX | propane，Infrared (dual-beam) | PX |
| M | RS485 Modbus RTU | M |
Key specifications
| Target gas | C₃H₈ / propane |
|---|---|
| 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 | LM25 epoxy-coated aluminium (UL) |
| Entries | 2 × ¾″ NPT |
| Display | Tri-colour backlight LCD |
| Relays | 3×5A@250VAC |
| Ingress | IP66 |
| Approvals | UL |
| Temperature | −40~+65 ℃ |
| Mass | approx. 1.7 kg |
Why this principle
Fixed-point leak monitoring into a controller/ESD on 4–20 mA.
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 SPXCDULNPXM 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
- How do I calibrate SPXCDULNPXM?
- Zero/span SPXCDULNPXM on the transmitter with certified gas and cap S3KCAL. Recalibrate after cartridge swap.
- Does SPXCDULNPXM have relays?
- SPXCDULNPXM has three relays 5 A @ 250 VAC. Relays are not the EN performance safety function.
- Can I fit a different-gas cartridge on SPXCDULNPXM?
- XCD auto-recognises the same family only. Do not mix an O₂ cell onto a flammable/toxic SPXCDULNPXM transmitter.
- How much does SPXCDULNPXM weigh?
- SPXCDULNPXM approx. 1.7 kg (trust the nameplate).
- Which cartridge or transmitter pairs with SPXCDULNPXM?
- Same gas code. Cartridge SPXCDXSPXSS; transmitter needs the same family.
- Does SPXCDULNPXM provide 4–20 mA?
- SPXCDULNPXM outputs 4–20 mA (source/sink). 4–20 mA is the only EN performance safety function.
- Can I retap SPXCDULNPXM from M20 to NPT?
- No. SPXCDULNPXM flameproof entries are machined 2 × ¾″ NPT. Order the matching P/N for the other thread.
- Does SPXCDULNPXM have a display?
- SPXCDULNPXM transmitter has a tri-colour backlight LCD. The cartridge itself has no display.
- Is SPXCDULNPXM IP66?
- SPXCDULNPXM housing is IP66 (EN 60529). With weather cap and sinter down, IPX6 is kept.
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 SPXCDULNPXM.