Metrohm 780 User Manual

Contents
II
780/781 pH/Ion Meter, Manual
5 Configuration ..................................................... 41
5.1 Report ......................................................................................................... 42
5.2 Printing out measured values .................................................................... 44
5.3 Storing measured values ........................................................................... 47
5.4 Auxiliaries ................................................................................................... 48
5.5 Monitoring .................................................................................................. 51
5.6 Peripheral units .......................................................................................... 52
5.7 RS232 settings ........................................................................................... 54
6 Methods / Parameters ........................................ 55
6.1 Method management ................................................................................. 55
6.2 pH measurement (pH mode) ..................................................................... 56
6.2.1 Measuring parameters ........................................................................... 56
6.2.2 Calibration parameters........................................................................... 58
6.2.3 Limits pH ................................................................................................ 62
6.2.4 Limits T ................................................................................................... 62
6.2.5 Plot parameters ...................................................................................... 63
6.2.6 Preselections .......................................................................................... 63
6.2.7 Electrode test ......................................................................................... 64
6.3 Temperature measurement (T mode) ........................................................ 65
6.3.1 Measuring parameters ........................................................................... 65
6.3.2 Limits T ................................................................................................... 66
6.3.3 Plot parameters ...................................................................................... 67
6.3.4 Preselections .......................................................................................... 67
6.4 Potential measurement (U mode) .............................................................. 68
6.4.1 Measuring parameters ........................................................................... 68
6.4.2 Limits U................................................................................................... 69
6.4.3 Plot parameters ...................................................................................... 70
6.4.4 Preselections .......................................................................................... 70
6.5 Direct ion measurement (781 only: Conc mode) ...................................... 71
6.5.1 Type of measurement ............................................................................ 71
6.5.2 Ion parameters ....................................................................................... 71
6.5.3 Measuring parameters ........................................................................... 72
6.5.4 Calculation parameters .......................................................................... 74
6.5.5 Calibration parameters........................................................................... 75
6.5.6 Limits Conc ............................................................................................ 77
6.5.7 Limits T ................................................................................................... 78
6.5.8 Plot parameters ...................................................................................... 78
6.5.9 Preselections .......................................................................................... 79
6.6 Standard and sample addition (781 only: Conc mode) ............................ 80
6.6.1 Standard / Sample addition ................................................................... 80
6.6.2 Preselections .......................................................................................... 83
7 Various functions ............................................... 85
7.1 Calibration and addition/subtraction data ................................................ 85
7.1.1 pH calibration data ................................................................................. 85
7.1.2 Conc calibration data (781 pH/Ion Meter only) ..................................... 89
7.1.3 Addition/Subtraction data (781 pH/Ion Meter only) ............................... 93
7.2 Reports ....................................................................................................... 96

Metrohm 780 Specifications

General

Brand	Metrohm
Model	780
Category	Measuring Instruments
Language	English