pH 170/
pH 296
Contents
94
Safety instructions ................................................................................................ 93
Description ............................................................................................................. 97
Front views .............................................................................................................. 97
Control panel ........................................................................................................... 98
Display ................................................................................................................ 98
Display messages ............................................................................................... 99
Keyboard ........................................................................................................... 101
Operating instructions ....................................................................................... 101
Operating levels .................................................................................................... 102
Installation ........................................................................................................... 104
General instructions .............................................................................................. 104
Power supply ......................................................................................................... 104
"SENS-CHECK" connection ................................................................................... 105
REC 1 / REC 2 connections .................................................................................. 105
K1 / K2 (relay contacts) ......................................................................................... 105
RS 485 digital interace (RS option) ....................................................................... 106
Extension of cable between sensor and monitor ................................................... 106
Installation instructions for the pH 170 .................................................................. 107
Terminal assignment ......................................................................................... 107
Connecting the SenoLyt 650.............................................................................. 109
Connecting the SenoLyt 690 or SensoLyt 700 .................................................. 111
Connecting a high-resistance probe with external temperature probe
(Example: NTC / PT 100 / PT 1000) .................................................................. 112
Connecting a InPro
®
4250 (high-resistance) ...................................................... 113
Installation instructions for the pH 296 .................................................................. 114
Terminal assignment ......................................................................................... 114
Connecting the SenoLyt 650.............................................................................. 115
Connecting the SensoLyt 690 or SensoLyt 700 ................................................ 116
Connecting a high-resistance probe with external temperature probe
(Example: NTC / PT 100 / PT 1000) ...................................................................118
Connecting a InPro
®
4250 (high-resistance) ...................................................... 119
