SPXCDUSNB1M
SPXCDUSNB1M is the Sensepoint XCD Infrared (dual-beam) carbon dioxide 2%vol complete transmitter, default 0-2.00%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 |
| B1 | carbon dioxide 2%vol，Infrared (dual-beam) | B1 |
| M | RS485 Modbus RTU | M |
Key specifications
| Target gas | CO₂ / carbon dioxide 2%vol |
|---|---|
| Principle | Infrared (dual-beam) |
| Default range | 0-2.00%Vol |
| User FSD window | 0-2%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 SPXCDUSNB1M 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 SPXCDUSNB1M?
- Zero/span SPXCDUSNB1M on the transmitter with certified gas and cap S3KCAL. Recalibrate after cartridge swap.
- Does SPXCDUSNB1M need weather protection?
- Outdoors, fit SPXCDWP weather protection on SPXCDUSNB1M with the sinter down.
- How is SPXCDUSNB1M mounted?
- Wall-mount SPXCDUSNB1M on the one-piece plate with M8 bolts; pipe Ø40–80 mm uses SPXCDMTBR, duct SPXCDDMK. Glands must match 2 × ¾″ NPT.
- Who supplies SPXCDUSNB1M and what should I quote?
- Supplied by authorized Honeywell distributor Beijing Dongfang Haitai (GZion). Quote full P/N SPXCDUSNB1M. Not in stock — orders accepted; lead time approx. 10 weeks. Quote full P/N SPXCDUSNB1M.
- Is SPXCDUSNB1M IP66?
- SPXCDUSNB1M 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 SPXCDUSNB1M.