Honeywell Searchline Excel 2104B3123 – Spare, see description, UL, see description
2104B3123 is a Searchline Excel Spare: Searchline Excel, spare, UL (SEARCHLINE EXCEL RECVR L.R. UL ETHYL). It does not detect gas by itself and must be paired with a Searchline Excel transmitter/receiver.
Siblings: output 2104B2133, approval 0235-0166, path 2104B0717.
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Part-number decode
| Segment | Meaning | This SKU |
|---|---|---|
| Family | Searchline Excel IR open path | legacy |
| Type | System / alignment / accessory / spare | Spare |
| Path | SR 5–40 m / MR 40–120 m / LR 120–200 m | see description |
| Output | 4–20 mA source or sink, optional Modbus/HART | see description |
| Approval | ATEX/IECEx, UL, CSA/FM, INMETRO, CU-TR | UL |
| Gas | Hydrocarbon or ethylene curve | Ethylene |
| Enclosure | 316 stainless steel | — |
| Handheld | Alignment kit includes HHI | — |
Technical specifications
| Category | legacy / Spare |
|---|---|
| Description | Searchline Excel, spare, UL (SEARCHLINE EXCEL RECVR L.R. UL ETHYL) |
| Gas | Ethylene |
| Path length | see description |
| Range | — |
| Output | see description |
| Approvals | UL |
| Enclosure | — |
| Principle | Open-path IR (xenon flash + solid-state detector) |
| Response | 随本体 |
| Ingress | 随本体 |
Why this part number
Specify 2104B3123 so alignment, glands, junction boxes or spares match this IR open-path family. Do not substitute Excel Plus/Edge 2017B kits or Sensepoint XCD cartridges.
Spares and mates
2104B3123 is Searchline Excel Spare. This SKU is an alignment kit, junction box or spare and needs a Searchline Excel detector. Matrix: product-9020. Do not substitute Sensepoint XCD cartridges, XNX personalities or Excel Plus/Edge.
Typical applications
2104B3123 ships with Searchline Excel open-path systems for install, alignment, weather protection or service.
Selection contrast
| P/N | Type | Path | Cert | Output |
|---|---|---|---|---|
| 2104B2133 | Spare | MR | — | 4–20 mA source |
| 0235-0166 | Spare | — | — | see description |
| 2104B0717 | Spare | SR | UL | see description |
| 2104B0715 | Spare | SR | ATEX | see description |
| 2104B0716 | Spare | LR | ATEX | see description |
| 2104B2131 | Spare | MR | — | see description |
| 2104B2301 | Spare | SR | — | see description |
Installation and service
Isolate power before fitting 2104B3123. Alignment kits split short vs medium/long range. Glands, sunshades and junction boxes must match Searchline Excel IR, not Plus/Edge.
FAQ
- Use Plus accessories?
- Usually no — select IR-series specific parts.
- Can I fit an Excel Plus accessory instead of 2104B3123?
- No. Alignment scopes, sunshades and glands are IR-series specific; Plus/Edge 2017B kits do not interchange.
- Calibrate after fitting?
- Functional gas test after system alignment. Brackets and sunshades do not need gas.
- Will 2104B3123 detect gas by itself?
- No. 2104B3123 is a Spare (SEARCHLINE EXCEL RECVR L.R. UL ETHYL) and needs a Searchline Excel Tx/Rx pair.
- Mix SR/MR/LR optics?
- Do not mix short/medium/long-range lamps and receivers.
Documents
Searchline Excel IR datasheet · Chinese specification · On-site part-number matrix
Availability and enquiry
Availability: Not in stock — orders accepted; lead time approx. 16 weeks. Quote full P/N 2104B3123, gas/range and approval.