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Inputs and Outputs Wiring
126 UDA2182 Universal Dual Analyzer Product Manual January 2009
7.5 pH Input from External Preamplifier/Cap Adapter Wiring Diagrams
Glass Meredian External Preamp
1
RTH 3
rd
Wire
(–) Volt Supply
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Signal
Name
Wire
Color
(+) Volt Supply
Supply Common
pH Input Signal
RTH Low
RTH High
Blue
Green
Black
Orange
White
Red
Jumper terminals 5 and 6
2
RTH 3
rd
Wire
(–) Volt Supply
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Signal
Name
Wire
Color
(+) Volt Supply
Supply Common
pH Input Signal
RTH Low
RTH High
Blue
Green
Black
Orange
White
Red
Jumper terminals 5 and 6
2
Figure 7-10 Terminal Designations for Meredian Electrode with External
Preamplifier
1
When using 022283 preamplifier module, jumper between “SC” and “ET” at the preamp
2
Color of wires corresponds to Honeywell cables:
Æ 834088
Æ 31075723
Æ 51309677-001