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Table of contents
912/913/914 Meter
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V
5 Operation and maintenance 70
5.1 General notes ...................................................................... 70
5.1.1 Care ...................................................................................... 70
5.1.2 Maintenance by Metrohm Service .......................................... 70
5.1.3 Sensor care ............................................................................ 70
6 Troubleshooting 71
6.1 General ................................................................................ 71
6.2 Problems .............................................................................. 72
6.2.1 Troubleshooting .................................................................... 72
6.3 Restarting/resetting the instrument ................................. 74
6.3.1 Instrument reset .................................................................... 74
6.3.2 Resetting the instrument to factory settings ........................... 74
6.4 Messages ............................................................................. 75
7 Appendix 76
7.1 Saved buffer series ............................................................. 76
7.1.1 Metrohm ............................................................................... 77
7.1.2 NIST (according to DIN standard 19266, 2015) ...................... 78
7.1.3 DIN (according to DIN standard 19267, 2012) ....................... 79
7.1.4 Fisher .................................................................................... 80
7.1.5 Mettler Toledo ....................................................................... 81
7.1.6 Merck CertiPUR 20 / Titrisol ................................................... 82
7.1.7 Merck CertiPUR 25 ................................................................ 83
7.1.8 Beckmann ............................................................................. 84
7.1.9 Radiometer Analytical ............................................................ 85
7.1.10 Baker ..................................................................................... 86
7.1.11 Hamilton DURACAL ............................................................... 87
7.1.12 Fluka ..................................................................................... 88
8 Technical specifications 89
8.1 Measuring inputs ................................................................ 89
8.2 Measured value memory .................................................... 90
8.3 TFT display .......................................................................... 90
8.4 Interfaces ............................................................................. 90
8.5 Energy supply ...................................................................... 91
8.6 Charging time ..................................................................... 91
8.7 Runtime with rechargeable battery .................................. 92
8.8 Ambient temperature ......................................................... 92
8.9 Reference conditions .......................................................... 92
8.10 Dimensions/material ........................................................... 93