Metrohm 780 - Page 7

Contents
780/781 pH/Ion Meter, Manual
III
7.2.1 Arrangement of a report .........................................................................98
7.2.2 Report identification ...............................................................................99
7.2.3 Measuring point report ...........................................................................99
7.2.4 Calibration report ..................................................................................101
7.2.5 Result report (781 pH/Ion Meter only) ..................................................102
7.2.6 Configuration report .............................................................................103
7.2.7 Parameter report ..................................................................................104
7.2.8 Measured values memory report .........................................................105
7.2.9 User method report ..............................................................................106
7.3 Measured values memory ........................................................................ 107
7.3.1 Save measured values .........................................................................107
7.3.2 Print measured values ..........................................................................107
7.3.3 Show measured values ........................................................................108
7.4 Limit monitoring ....................................................................................... 109
7.4.1 Uses ......................................................................................................109
7.4.2 How it functions ....................................................................................110
7.5 Setup ........................................................................................................ 111
7.5.1 Locking .................................................................................................111
7.5.2 Input assignment ..................................................................................112
7.5.3 Graphics ...............................................................................................112
8 Troubleshooting – Messages – Maintenance .. 113
8.1 Troubleshooting ....................................................................................... 113
8.2 Messages ................................................................................................. 115
8.3 QM support............................................................................................... 120
8.4 Validation .................................................................................................. 122
8.4.1 Electronic tests .....................................................................................122
8.4.2 Wet tests ...............................................................................................123
8.4.3 pH/Ion Meter maintenance...................................................................123
8.5 Diagnosis .................................................................................................. 124
8.6 pH electrode test ...................................................................................... 126
8.6.1 Preparations .........................................................................................126
8.6.2 Procedure .............................................................................................127
8.6.3 Results ..................................................................................................129
8.6.4 Messages and measures .....................................................................131
8.6.5 Care and maintenance of pH glass electrodes ...................................132
9 Annex ................................................................ 135
9.1 Technical data .......................................................................................... 135
9.1.1 Measuring modes ................................................................................135
9.1.2 Measuring inputs ..................................................................................135
9.1.3 Measuring input specifications ............................................................136
9.1.4 Interfaces ..............................................................................................136
9.1.5 Power supply ........................................................................................136
9.1.6 Safety specifications ............................................................................137
9.1.7 Electromagnetic compatibility (EMC) ..................................................137
9.1.8 Ambient temperature ............................................................................137
9.1.9 Reference conditions ...........................................................................137
9.1.10 Dimensions ...........................................................................................137
9.2 Evaluation ................................................................................................. 138