Table Of Contents - JUMO 202550 Operating Instructions Manual

1 General _______________________________________________________________ 4
1.1 Preface ______________________________________________________________________ 4
2 Typographical conventions _____________________________________________ 5
2.1 Warning signs ________________________________________________________________ 5
2.2 Note signs ___________________________________________________________________ 5
3 Application ____________________________________________________________ 6
3.1 Type 202550 _________________________________________________________________ 6
3.2 Operating Instructions B 20.2550.0 ______________________________________________ 7
4 Instrument identification ________________________________________________ 8
4.1 Type designation ______________________________________________________________ 9
5 Instrument description ________________________________________________ 10
5.1 Technical data _______________________________________________________________ 10
5.2 Dimensions _________________________________________________________________ 14
5.3 Optional accessories _________________________________________________________ 14
6 Assembly _____________________________________________________________ 16
6.1 Location ____________________________________________________________________ 16
6.2 Fitting ______________________________________________________________________ 16
6.3 Removing the controller module _______________________________________________ 17
6.4 Cleaning the front panel _______________________________________________________ 17
7 Installation ___________________________________________________________ 18
7.1 Electrical connection _________________________________________________________ 18
7.2 Connection diagram __________________________________________________________ 19
8 Commissioning _______________________________________________________ 22
8.1 Self-test ____________________________________________________________________ 22
9 Operation ____________________________________________________________ 23
9.1 Basics ______________________________________________________________________ 23
9.2 Principle of operation _________________________________________________________ 24
9.3 Operation within levels ________________________________________________________ 25
9.4 General _____________________________________________________________________ 26
9.5 Programming ________________________________________________________________ 27
10 pH indicator __________________________________________________________ 28
10.1 pH measurement circuit _______________________________________________________ 28
10.2 Calibration __________________________________________________________________ 28
10.3 Preparation __________________________________________________________________ 29
10.4 1-point calibration __________________________________________________________ 30
10.5 2-point calibration __________________________________________________________ 31
11 Operator level of the pH indicator ______________________________________ 33
11.1 Settings _____________________________________________________________________ 33
12 Parameter level of the pH indicator _____________________________________ 34
12.1 Settings _____________________________________________________________________ 34
13 Configuration level of the pH indicator __________________________________ 36
13.1 General _____________________________________________________________________ 36