Honeywell Searchpoint Optima Plus 2108B0261 – Seal Kit: Optima Plus O-ring Seal Kit (cover+sensor window)
2108B0261 is a Searchpoint Optima Plus Seal Kit: Optima Plus O-ring Seal Kit (cover+sensor window). It is not a gas detector body and will not detect LEL on its own. Order this SKU for maintenance, calibration or mounting; the head remains a 2108N transmitter number.
2108B0261 is a Seal Kit; see same-class SKUs in the matrix.
Part-number decode
| Segment | Meaning | This SKU |
|---|---|---|
| Family | Honeywell Searchpoint Optima Plus point IR | Optima Plus |
| P/N | Optima Plus O-ring Seal Kit (cover+sensor window) | 2108B0261 |
| Class | Spare | Seal Kit |
Technical specifications
| Category | Spare / Seal Kit |
|---|---|
| Description | Optima Plus O-ring Seal Kit (cover+sensor window) |
| Gas | — |
| Output | — |
| Approvals | see description |
| Entries | — |
| Enclosure | — |
| RGC | — |
| Principle | Point IR (dual source, dual beam) |
| Range | — |
| Ingress | 随本体 |
Why this part number
Keep 2108B0261 on its own BOM line so windows, lamps, PCBs, glands and brackets can be replaced on their own cycle. Do not bury it under 2108N4000N, and do not fit XCD or XNX spares on Optima optics.
Spares and mates
2108B0261 is Searchpoint Optima Plus Seal Kit. This SKU is a spare or accessory and needs an Optima Plus detector. Matrix: product-2698. Do not substitute Sensepoint XCD cartridges or XNX personalities.
Typical applications
Use 2108B0261 against installed Optima Plus points: dust barriers after deluge, flow housings on extractive loops, cups and cylinders at annual gas. Match the detector thread (M20 vs NPT) before the box ships.
Selection contrast
| P/N | Type | Gas | Cert | Output |
|---|---|---|---|---|
| 2108B0297 | Seal Kit | — | — | — |
| 2108B0298 | Seal Kit | — | — | — |
| OPTIMASEALKIT | Seal Kit | — | — | — |
Installation and service
Isolate power before swapping 2108B0261. Refit seals to the specified torque and keep M20/M25/NPT families apart. Zero and span afterwards; keep fingerprints and condensation off the optics.
FAQ
- Will 2108B0261 detect gas by itself?
- No. 2108B0261 is a Seal Kit (Optima Plus O-ring Seal Kit (cover+sensor window)) and needs an Optima Plus detector body.
- Can I fit an XCD/XNX spare instead of 2108B0261?
- No. Optima optics, seals and connectors are unique.
- Which detector does 2108B0261 mate with?
- New builds: current 2108N SKUs such as 2108N4000N. Installed base: read the 2108B/2108N nameplate first.
- Thread mix-ups?
- Yes. Glands, plugs and adaptors split M20 / M25 / 3/4" NPT. Copy the detector nameplate.
- Calibrate after fitting?
- Zero and span after window, lamp or detector swaps. Brackets and tags do not need gas.
- Lead time?
- Lot-based. Do not substitute a look-alike OPTIMA* SKU without matching the part number.
Documents
Optima Plus datasheet 1 · Datasheet 2 · On-site part-number matrix
Availability and enquiry
Stock is lot-based. If 2108B0261 is out, jump to — / —.