SPXCDUSNB1
SPXCDUSNB1 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.
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 |
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 + optional 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 SPXCDUSNB1 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 fit a different-gas cartridge on SPXCDUSNB1?
- XCD auto-recognises the same family only. Do not mix an O₂ cell onto a flammable/toxic SPXCDUSNB1 transmitter.
- Can I hot-swap SPXCDUSNB1 live?
- Do not hot-swap live. De-energise first; live swap damages pins and the flameproof joint.
- Is SPXCDUSNB1 aluminium or stainless?
- SPXCDUSNB1 enclosure is 316 stainless steel (UL). Aluminium is lighter; 316SS for salt/CIP. Sibling SPXCDULNB1.
- How do I calibrate SPXCDUSNB1?
- Zero/span SPXCDUSNB1 on the transmitter with certified gas and cap S3KCAL. Recalibrate after cartridge swap.
- What is SPXCDUSNB1?
- SPXCDUSNB1 is a Honeywell Sensepoint XCD complete kit (transmitter + cartridge): carbon dioxide 2%vol, 316 stainless steel (UL), entries 2 × ¾″ NPT, approval UL. Not in stock — orders accepted; lead time approx. 10 weeks. Quote full P/N SPXCDUSNB1.
- Which cartridge or transmitter pairs with SPXCDUSNB1?
- Same gas code. Cartridge SPXCDXSB1SS; transmitter needs the same family.
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 SPXCDUSNB1.