Hach PHC745, User Manual

Page: 3 / 26

Table of Contents
Section 1 Product overview
................................................................................. 3
Section 2 Specifications
........................................................................................ 3
Section 3 Safety information
............................................................................... 4
3.1 Intended use ....................................................................................................... 4
3.2 Use of hazard information ..................................................................................... 4
3.3 Precautionary labels ............................................................................................. 5
3.4 Product hazards .................................................................................................... 5
Section 4 Preparation for use
.............................................................................. 5
4.1 Operate the sleeve junction .................................................................................. 7
Section 5 Calibration
.............................................................................................. 8
5.1 Calibration notes ................................................................................................... 8
5.2 Calibration procedure ........................................................................................... 9
Section 6 Sample measurement
.................................................................... 10
6.1 Sample requirements .......................................................................................... 10
6.2 Sample measurement notes ............................................................................... 10
6.3 Sample measurement procedure ....................................................................... 10
Section 7 Verify the calibration
........................................................................ 11
7.1 Verification procedure ......................................................................................... 11
Section 8 Maintenance
......................................................................................... 12
8.1 Clean the probe .................................................................................................. 12
8.1.1 Clean the sleeve junction ......................................................................... 13
8.2 Fill the probe ....................................................................................................... 14
8.3 Add KCl crystals to the probe ............................................................................. 14
8.4 Replace the filling solution .................................................................................. 16
8.5 Soak procedure for dry probes ........................................................................... 17
8.6 Storage ............................................................................................................... 17
Section 9 Troubleshooting
............................................................................... 18
Section 10 Consumables
..................................................................................... 19
10.1 Recommended standards ................................................................................. 19
10.2 Accessories...................................................................................................... 20
1