SPXCDALMNXM
SPXCDALMNXM is the Sensepoint XCD Electrochemical (Surecell™) nitrogen dioxide complete transmitter, default 10-50ppm, LM25 epoxy-coated aluminium, 2 × M20, ATEX / IECEx / GB. RS485 Modbus RTU.

Part-number matrix
| Segment | Meaning | This SKU |
|---|---|---|
| SPXCD | Sensepoint XCD series | SPXCD |
| A / U | Approval A=ATEX/IECEx/GB; U=UL | A |
| L / S | Enclosure L=LM25 aluminium; S=316SS | L |
| M / N | Entry M=M20; N=3/4″ NPT | M |
| NX | nitrogen dioxide,Electrochemical (Surecell™) | NX |
| M | RS485 Modbus RTU | M |
Key specifications
| Target gas | NO₂ / nitrogen dioxide |
|---|---|
| Principle | Electrochemical (Surecell™) |
| Default range | 10-50ppm |
| User FSD window | 10.0–50.0ppm |
| Resolution | 5ppm |
| Output | 4–20 mA sink/source + Modbus RTU |
| Supply | 16–32 VDC (24 VDC nominal) |
| Power | 3.7 W |
| Enclosure | LM25 epoxy-coated aluminium |
| Entries | 2 × M20 |
| Display | Tri-colour backlight LCD |
| Relays | 3×5A@250VAC |
| Ingress | IP66 |
| Approvals | ATEX / IECEx / GB |
| 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 SPXCDALMNXM through the one-piece plate with M8 bolts. Entries 2 × M20 — glands must match. Land 4–20 mA as three-wire. Magnetic wand calibration stays non-intrusive.
FAQ
- Does SPXCDALMNXM have relays?
- SPXCDALMNXM has three relays 5 A @ 250 VAC. Relays are not the EN performance safety function.
- Is SPXCDALMNXM ATEX or UL certified?
- SPXCDALMNXM is the ATEX / IECEx / GB scheme. Do not use it as the other system.
- How is SPXCDALMNXM mounted?
- Wall-mount SPXCDALMNXM on the one-piece plate with M8 bolts; pipe Ø40–80 mm uses SPXCDMTBR, duct SPXCDDMK. Glands must match 2 × M20.
- Which cartridge or transmitter pairs with SPXCDALMNXM?
- Same gas code. Cartridge SPXCDXSNXSS; transmitter needs the same family.
- How much does SPXCDALMNXM weigh?
- SPXCDALMNXM approx. 1.7 kg (trust the nameplate).
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 SPXCDALMNXM.