SPXCDASMTXTM
SPXCDASMTXTM is the Sensepoint XCD toxic transmitter (no cartridge) — no sensor cartridge included. 316 stainless steel, 2 × M20, ATEX / IECEx / GB. 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 | A |
| L / S | Enclosure L=LM25 aluminium; S=316SS | S |
| M / N | Entry M=M20; N=3/4″ NPT | M |
| TXT | toxic transmitter (no cartridge)，Transmitter only (no cartridge) | TXT |
| M | RS485 Modbus RTU | M |
Key specifications
| Type | Transmitter |
|---|---|
| Family | toxic transmitter (no cartridge) |
| Not included | Sensor cartridge (order SPXCDXS*SS) |
| Output | 4–20 mA sink/source + Modbus RTU |
| Supply | 16–32 VDC (24 VDC nominal) |
| Power | 3.7 W |
| Enclosure | 316 stainless steel |
| Entries | 2 × M20 |
| Display | Tri-colour backlight LCD |
| Relays | 3×5A@250VAC |
| Ingress | IP66 |
| Approvals | ATEX / IECEx / GB |
| 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 SPXCDASMTXTM through the one-piece plate with M8 bolts. Entries 2 × M20 — glands must match. Land 4–20 mA as three-wire. Magnetic wand calibration stays non-intrusive.
FAQ
- Is SPXCDASMTXTM ATEX or UL certified?
- SPXCDASMTXTM is the ATEX / IECEx / GB scheme. Do not use it as the other system.
- How does SPXCDASMTXTM differ from SPXCDALMTXTM?
- SPXCDASMTXTM is transmitter only (no sensor cartridge), 316 stainless steel, 2 × M20, ATEX / IECEx / GB. SPXCDALMTXTM is the enclosure/approval/entry sibling.
- Can I fit a different-gas cartridge on SPXCDASMTXTM?
- XCD auto-recognises the same family only. Do not mix an O₂ cell onto a flammable/toxic SPXCDASMTXTM transmitter.
- How do I calibrate SPXCDASMTXTM?
- Zero/span SPXCDASMTXTM on the transmitter with certified gas and cap S3KCAL. Recalibrate after cartridge swap.
- Does SPXCDASMTXTM have a display?
- SPXCDASMTXTM transmitter has a tri-colour backlight LCD. The cartridge itself has no display.
- Does SPXCDASMTXTM provide 4–20 mA?
- SPXCDASMTXTM outputs 4–20 mA (source/sink). 4–20 mA is the only EN performance safety function.
- Can I retap SPXCDASMTXTM from M20 to NPT?
- No. SPXCDASMTXTM flameproof entries are machined 2 × M20. Order the matching P/N for the other thread.
- Which cartridge or transmitter pairs with SPXCDASMTXTM?
- Same gas code. Cartridge —; transmitter needs the same family.
- Does SPXCDASMTXTM use M20 or NPT entries?
- SPXCDASMTXTM entries are 2 × M20. Do not retap in the field; order the matching P/N.
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 SPXCDASMTXTM.