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wtw Multi 3430 - Page 4

wtw Multi 3430
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Contents Multi 3430
4
ba75865e08 06/2010
4.6 pH value. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.6.1 General information . . . . . . . . . . . . . . . . . . . . . . 36
4.6.2 Measuring the pH value . . . . . . . . . . . . . . . . . . . 37
4.6.3 Settings for pH measurements . . . . . . . . . . . . . . 39
4.6.4 pH calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
4.6.5 Calibration interval . . . . . . . . . . . . . . . . . . . . . . . 47
4.6.6 Carrying out an automatic calibration (AutoCal) . 48
4.6.7 Carrying out a manual calibration (ConCal) . . . . 52
4.6.8 Displaying calibration records. . . . . . . . . . . . . . . 54
4.6.9 Continuous measurement control (CMC
function) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4.6.10 QSC function (sensor quality control) . . . . . . 57
4.7 ORP voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
4.7.1 General information . . . . . . . . . . . . . . . . . . . . . . 60
4.7.2 Measuring the ORP . . . . . . . . . . . . . . . . . . . . . . 60
4.7.3 Settings for ORP measurements . . . . . . . . . . . . 62
4.8 Dissolved oxygen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
4.8.1 General information . . . . . . . . . . . . . . . . . . . . . . 63
4.8.2 Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
4.8.3 Settings for D.O. sensors
(menu or measurement and calibration settings) 67
4.8.4 FDO
®
Check procedure (check of the FDO
®
925) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
4.8.5 D.O. calibration . . . . . . . . . . . . . . . . . . . . . . . . . . 72
4.8.6 Displaying calibration records. . . . . . . . . . . . . . . 74
4.9 Conductivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
4.9.1 General information . . . . . . . . . . . . . . . . . . . . . . 75
4.9.2 Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
4.9.3 Temperature compensation . . . . . . . . . . . . . . . . 78
4.9.4 Settings for IDS conductivity sensors . . . . . . . . . 79
4.9.5 Determining the cell constant
(calibration in control standard) . . . . . . . . . . . . . 82
4.9.6 Displaying calibration records. . . . . . . . . . . . . . . 84
4.10 Data storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
4.10.1 Manual storage . . . . . . . . . . . . . . . . . . . . . . . . . . 86
4.10.2 Automatic storage at intervals . . . . . . . . . . . . 86
4.10.3 Editing the measurement data storage. . . . . . . . 89
4.10.4 Erasing the measurement data storage . . . . . . . 90
4.11 Transmitting data (USB interfaces) . . . . . . . . . . . . . . . . . 91
4.11.1 Outputting current measurement data . . . . . . . . 91
4.11.2 Transmitting data (to a PC). . . . . . . . . . . . . . . . . 91
4.11.3 Connecting the PC / USB-B interface (USB
Device) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
4.11.4 Options for data transmission to a PC (USB-B
interface). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
4.11.5 Connecting the USB memory device / USB-A
interface (USB Host) . . . . . . . . . . . . . . . . . . . 93
4.11.6 Data transmission to a USB memory device
(USB-A interface) . . . . . . . . . . . . . . . . . . . . . . . . 93

Table of Contents

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