SPXCDUSNTXFM
SPXCDUSNTXFM is the Sensepoint XCD flammable transmitter (no cartridge) — no sensor cartridge included. 316 stainless steel (UL), 2 × ¾″ NPT, UL. Order a same-family SPXCDXS*SS separately. 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 |
| TXF | flammable transmitter (no cartridge),Transmitter only (no cartridge) | TXF |
| M | RS485 Modbus RTU | M |
Key specifications
| Type | Transmitter |
|---|---|
| Family | flammable transmitter (no cartridge) |
| Not included | Sensor cartridge (order SPXCDXS*SS) |
| Output | 4–20 mA sink/source + Modbus RTU |
| Supply | 12–32 VDC (24 VDC nominal) |
| Power | 4.9 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 SPXCDUSNTXFM 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
- Does SPXCDUSNTXFM have a display?
- SPXCDUSNTXFM transmitter has a tri-colour backlight LCD. The cartridge itself has no display.
- Is the safety function on SPXCDUSNTXFM the relays or 4–20 mA?
- On SPXCDUSNTXFM the only EN performance safety function is 4–20 mA. Relays and Modbus are not SIL/performance-certified.
- Can I hot-swap SPXCDUSNTXFM live?
- Do not hot-swap live. De-energise first; live swap damages pins and the flameproof joint.
- What supply voltage does SPXCDUSNTXFM need?
- SPXCDUSNTXFM supply is 12–32 VDC (24 VDC nominal). A cartridge is not separately powered.
- What is SPXCDUSNTXFM?
- SPXCDUSNTXFM is a Honeywell Sensepoint XCD transmitter only (no sensor cartridge): flammable transmitter (no cartridge), 316 stainless steel (UL), entries 2 × ¾″ NPT, approval UL. Not in stock — orders accepted; lead time approx. 10 weeks. Quote full P/N SPXCDUSNTXFM.
- Does SPXCDUSNTXFM provide 4–20 mA?
- SPXCDUSNTXFM outputs 4–20 mA (source/sink). 4–20 mA is the only EN performance safety function.
- How much does SPXCDUSNTXFM weigh?
- SPXCDUSNTXFM approx. 3.7 kg (trust the nameplate).
- What sensor life should I plan for SPXCDUSNTXFM?
- Plan SPXCDUSNTXFM sensor life by principle: depends on the fitted cartridge. Replace the cartridge and recalibrate.
- What is the lead time for SPXCDUSNTXFM?
- Not in stock — orders accepted; lead time approx. 10 weeks. Quote full P/N SPXCDUSNTXFM.
- Can I retap SPXCDUSNTXFM from M20 to NPT?
- No. SPXCDUSNTXFM flameproof entries are machined 2 × ¾″ NPT. Order the matching P/N for the other thread.
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 SPXCDUSNTXFM.