VOLTCRAFT PHT-200 Bedienungsanleitung Seite 21

Table of contents
1. Introduction ........................................................................................................................................................22
2. Explanation of symbols ......................................................................................................................................22
3. Intended use ......................................................................................................................................................23
4. Delivery content .................................................................................................................................................24
5. Safety instructions .............................................................................................................................................24
6. Product overview ...............................................................................................................................................26
7. Product description ............................................................................................................................................27
8. Power supply .....................................................................................................................................................27
9. Setup .................................................................................................................................................................28
a) Get ready .....................................................................................................................................................28
b) Connect the electrode .................................................................................................................................28
c) Connect the temperature sensor (optional) .................................................................................................28
d) Switching the measuring device on and off .................................................................................................29
e) Temperature compensation .........................................................................................................................29
f) Manual temperature compensation .............................................................................................................29
g) pH calibration ...............................................................................................................................................30
10. Taking measurements ........................................................................................................................................32
a) pH measurement .........................................................................................................................................32
b) Measurement of the redox potential in mV ..................................................................................................33
c) Measuring the temperature .........................................................................................................................33
d) Holding the measured value ("HOLD") ........................................................................................................33
e) Recording the measured value peaks ("REC") ............................................................................................34
f) Automatic shut-off feature ...........................................................................................................................34
11. RS232 interface .................................................................................................................................................35
12. Cleaning and maintenance ................................................................................................................................36
a) General information .....................................................................................................................................36
b) Cleaning the casing .....................................................................................................................................36
c) Cleaning the probe ......................................................................................................................................36
d) Regeneration of the pH glass electrode ......................................................................................................36
13. Disposal .............................................................................................................................................................37
14. Troubleshooting .................................................................................................................................................37
15. Technical data ....................................................................................................................................................38
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