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XNX Universal Transmitter
Section 2 - Installation and Operation
35
2. Several transmitters installed in pairs with each pair
equally spaced from the next pair and the power source.
These distances assume the paired transmitters are
installed within 10 feet [3 meters] of each other.
Class 2
Power Supply
“d”“d”“d”
Transmitters 1 and 2 Transmitters 3 and 4 Transmitters 5 and 6
Figure 34. Transmitters in pairs
2 Transmitters - Distance “d”
Conguration
18 AWG
[1.0 mm2]
16 AWG
[1.5 mm2]
14 AWG
[2.0 mm2]
12 AWG
[3.5 mm2]
XNX mV or EC
With Sensor
485 feet
[147 meters]
775 feet
[235 meters]
1230 feet
[292 meters]
1970 feet
[600 meters]
XNX IR with
Searchpoint Optima Plus
380 feet
[115 meters]
600 feet
[180 meters]
960 feet
[290 meters]
1540 feet
[470 meters]
XNX IR with
Searchline Excel
280 feet
[85 meters]
440 feet
[134 meters]
700 feet
[213 meters]
1130 feet
[344 meters]
4 Transmitters - Distance “d”
Conguration
18 AWG
[1.0 mm2]
16 AWG
[1.5 mm2]
14 AWG
[2.0 mm2]
12 AWG
[3.5 mm2]
XNX mV or EC
With Sensor
190 feet
[58 meters]
300 feet
[91 meters]
480 feet
[146 meters]
770 feet
[234 meters]
XNX IR with
Searchpoint Optima Plus
110 feet
[33 meters]
175 feet
[53 meters]
280 feet
[85 meters]
450 feet
[137 meters]
XNX IR with
Searchline Excel
90 feet
[27 meters]
145 feet
[44 meters]
235 feet
[71 meters]
375 feet
[114 meters]
6 Transmitters - Distance “d”
Conguration
18 AWG
[1.0 mm2]
16 AWG
[1.5 mm2]
14 AWG
[2.0 mm2]
12 AWG
[3.5 mm2]
XNX mV or EC
With Sensor
95 feet
[33 meters]
150 feet
[45 meters]
240 feet
[73 meters]
385 feet
[117 meters]
XNX IR with
Searchpoint Optima Plus
55 feet
[17 meters]
85 feet
[26 meters]
140 feet
[42 meters]
225 feet
[68 meters]
XNX IR with
Searchline Excel
45 feet
[14 meters]
70 feet
[21 meters]
115 feet
[35 meters]
185 feet
[56 meters]
Ensure that wiring is adequately protected from mechanical failure in
installation.Specicshortedoropencircuitconditionsofwiringtothe
MPD **I** sensors may result in full scale concentration readings prior
to, or preventing the internal diagnostic routines from identifying the
external installation fault.
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