SPXCDULNTXO
SPXCDULNTXO is the Sensepoint XCD oxygen transmitter (no cartridge) — no sensor cartridge included. LM25 epoxy-coated aluminium (UL), 2 × ¾″ NPT, UL. Order a same-family SPXCDXS*SS separately.

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 |
| TXO | oxygen transmitter (no cartridge),Transmitter only (no cartridge) | TXO |
Key specifications
| Type | Transmitter |
|---|---|
| Family | oxygen transmitter (no cartridge) |
| Not included | Sensor cartridge (order SPXCDXS*SS) |
| Output | 4–20 mA sink/source + optional 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 SPXCDULNTXO 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 much does SPXCDULNTXO weigh?
- SPXCDULNTXO approx. 1.7 kg (trust the nameplate).
- Which accessories go with SPXCDULNTXO?
- With SPXCDULNTXO people order S3KCAL, magnet SPXCDMAG, weather cap SPXCDWP, pipe kit SPXCDMTBR, duct SPXCDDMK.
- Who supplies SPXCDULNTXO and what should I quote?
- Supplied by authorized Honeywell distributor Beijing Dongfang Haitai (GZion). Quote full P/N SPXCDULNTXO. Not in stock — orders accepted; lead time approx. 10 weeks. Quote full P/N SPXCDULNTXO.
- Is the safety function on SPXCDULNTXO the relays or 4–20 mA?
- On SPXCDULNTXO the only EN performance safety function is 4–20 mA. Relays and Modbus are not SIL/performance-certified.
- How does SPXCDULNTXO differ from SPXCDUSNTXO?
- SPXCDULNTXO is transmitter only (no sensor cartridge), LM25 epoxy-coated aluminium (UL), 2 × ¾″ NPT, UL. SPXCDUSNTXO is the enclosure/approval/entry sibling.
- What temperature rating does SPXCDULNTXO have?
- SPXCDULNTXO certified −40 to +65 °C (T6); some T-class to +75 °C.
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 SPXCDULNTXO.