User manual
H72.0.01.6C-02 Operating Manual GMH 3431 page 2 of 14
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Index
1 GENERAL NOTE ...................................................................................................................................................... 3
2 SAFETY ...................................................................................................................................................................... 3
2.1 I
NTENDED USE ...................................................................................................................................................... 3
2.2 S
AFETY SIGNS AND SYMBOLS ................................................................................................................................ 3
2.3 S
AFETY GUIDELINES .............................................................................................................................................. 3
3 PRODUCT SPECIFICATION .................................................................................................................................. 4
3.1 L
IEFERUMFANG ..................................................................................................................................................... 4
3.2 O
PERATION AND MAINTENANCE ADVICE .............................................................................................................. 4
4 HANDLING ................................................................................................................................................................ 5
4.1 D
ISPLAY ELEMENTS ............................................................................................................................................... 5
4.2 P
USHBUTTONS ....................................................................................................................................................... 5
4.3 C
ONNECTIONS ....................................................................................................................................................... 5
4.4 P
OP-UP CLIP ........................................................................................................................................................... 6
5 START OPERATION ................................................................................................................................................ 6
6 PRINCIPLES OF THE MEASUREMENTS ........................................................................................................... 7
6.1 B
ASICS ABOUT CONDUCTIVITY ............................................................................................................................. 7
6.2 C
ONDUCTIVITY MEASUREMENT ............................................................................................................................ 7
6.3 R
ESISTIVITY MEASUREMENT ................................................................................................................................. 7
6.4 TDS
MEASUREMENT .............................................................................................................................................. 7
6.5 S
ALINITY MEASUREMENT ...................................................................................................................................... 7
6.6 E
LECTRODES / MEASURING CELLS ......................................................................................................................... 8
6.6.1 Design ............................................................................................................................................................ 8
6.7 T
EMPERATURE COMPENSATION ............................................................................................................................ 8
6.7.1 Temperature compensation “nLF” according to EN 27888 ......................................................................... 8
6.7.2 Linear temperature compensation and determination of temperature coefficient “t.Lin“ ............................ 8
7 CONFIGURATION ................................................................................................................................................... 9
8 UNIVERSAL OUTPUT ........................................................................................................................................... 10
8.1 S
ERIAL INTERFACE .............................................................................................................................................. 10
9 ADJUSTMENT OF TEMPERATURE INPUT ..................................................................................................... 11
10 AUTOMATIC ADJUSTMENT/CALIBRATION OF CELL CORRECTION .............................................. 11
11 GLP ........................................................................................................................................................................ 12
11.1 C
ALIBRATION INTERVAL (C.INT) ..................................................................................................................... 12
11.2 C
ALIBRATION STORAGE (READ CAL) ............................................................................................................. 12
12 REAL TIME CLOCK (“CLOC”) ....................................................................................................................... 12
13 ACCURACY CHECK / ADJUSTMENT SERVICE ........................................................................................ 13
14 ERROR AND SYSTEM MESSAGES ................................................................................................................ 13
15 RESHIPMENT AND DISPOSAL ....................................................................................................................... 14
15.1 R
ESHIPMENT .................................................................................................................................................... 14
15.2 D
ISPOSAL INSTRUCTIONS ................................................................................................................................. 14
16 SPECIFICATION ................................................................................................................................................. 14