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MAN0530 Issue 09 October 03 Searchline Excel
2104M0506
C.1 SYSTEM UNITS
The following table lists the different types of system units and provides the part numbers for
the various certification options.
All types of Transmitters and Receivers include conduit and glands. Open-Path Transmitters
and Receivers do not include mounting plates and brackets.
Gas detector unit CENELEC UL CSA/FM
Part Number Part Number Part Number
Open-Path Transmitters
Short Range 2104B2071 2104B3001 2104B3201
Medium Range 2104B2081 2104B3011 2104B3211
Long Range 2104B2091 2104B3021 2104B3221
Open-Path Receivers (Current Source)
Short Range 2104B2111 2104B3101 2104B3301
Medium Range 2104B2131 2104B3111 2104B3311
Long Range 2104B2151 2104B3121 2104B3321
Open-Path Receivers (Current Sink)
Short Range 2104B2112 2104B3102 2104B3302
Medium Range 2104B2132 2104B3112 2104B3312
Long Range 2104B2152 2104B3122 2104B3322
Long Range (UL) 2104B2154
Cross-Duct Transmitter/Receivers
Transmitter 2104B2530 2104B2601
Receiver (Current Source) 2104B2531 2104B2602
Receiver (Current Sink) 2104B2532 2104B2603
C.2 GENERAL
Description Part Number
Open-Path
Alignment Telescope for Long Range 2104B2322
Alignment Telescope for Short Range 2104B2321
Functional test filter, A1 butane 2104N2204
Functional test filter, A1 ethylene 2104N2221
Functional test filter, A1 methane 2104N2201
Functional test filter, A1 methanol 2104N2225
Functional test filter, A1 propane 2104N2203
APPENDIX C - ACCESSORIES & SPARE PARTS