wtw pH 340/ION Instruction Manuals page 7

Hand-held meter
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SET equipment pH 340/ION SET ........................................................................ 10
Instruction manual pH/mV/Ion Meter............................................11
Control elements ................................................................................................ 12
Display............................................................................................................ 12
Keypad ........................................................................................................... 14
Rear panel ...................................................................................................... 15
Putting into operation ........................................................................................ 16
Display indicator of battery condition ......................................................... 17
Switching on / Display test............................................................................... 17
Calibration .......................................................................................................... 18
pH calibration .................................................................................................. 18
Automatic 2- or 3-point calibration ................................................................... 19
ISE-Calibration ......................................................................................... 28
Redox voltage..................................................................................................... 34
Redox voltage ................................................................................................. 34
Measurement ........................................................................................... 34
Temperature measurement ................................................................................ 35
pH electrodes without temperature probe ........................................................ 35
Manual input of temperature value ............................................................ 35
Probe supervision .............................................................................................. 36
Probe symbol.................................................................................................. 36
Calibration interval (pH measurement only) ..................................................... 37
Criteria ..................................................................................................... 38
Calibration with drift control........................................................................ 39
Measurements with drift control ................................................................ 39
Data logging ....................................................................................................... 41
Memory of measured values ........................................................................... 41
Manual storing .......................................................................................... 41
Automati storing ........................................................................................ 42
Memory full ............................................................................................... 44
Read-out of memory ................................................................................. 45
Output to display ....................................................................................... 45
Erasure of memory ................................................................................... 46
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