SPXCDUSNB2M
SPXCDUSNB2M is the Sensepoint XCD Infrared (dual-beam) carbon dioxide 5%vol complete transmitter, default 0-5.00%Vol, 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 |
| B2 | carbon dioxide 5%vol，Infrared (dual-beam) | B2 |
| M | RS485 Modbus RTU | M |
Key specifications
| Target gas | CO₂ / carbon dioxide 5%vol |
|---|---|
| Principle | Infrared (dual-beam) |
| Default range | 0-5.00%Vol |
| User FSD window | 0-5%VOL only |
| Resolution | n/a |
| 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
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 SPXCDUSNB2M 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
- Can I hot-swap SPXCDUSNB2M live?
- Do not hot-swap live. De-energise first; live swap damages pins and the flameproof joint.
- Which accessories go with SPXCDUSNB2M?
- With SPXCDUSNB2M people order S3KCAL, magnet SPXCDMAG, weather cap SPXCDWP, pipe kit SPXCDMTBR, duct SPXCDDMK.
- Does SPXCDUSNB2M provide 4–20 mA?
- SPXCDUSNB2M outputs 4–20 mA (source/sink). 4–20 mA is the only EN performance safety function.
- Is SPXCDUSNB2M IP66?
- SPXCDUSNB2M housing is IP66 (EN 60529). With weather cap and sinter down, IPX6 is kept.
- Does SPXCDUSNB2M have relays?
- SPXCDUSNB2M has three relays 5 A @ 250 VAC. Relays are not the EN performance safety function.
- Does SPXCDUSNB2M include Modbus?
- SPXCDUSNB2M ships with RS485 Modbus RTU (suffix M).
- What gas and range does SPXCDUSNB2M cover?
- SPXCDUSNB2M measures carbon dioxide 5%vol at default 0-5.00%Vol (user window 0-5%VOL only). 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 SPXCDUSNB2M.