wtw pH 323 Bedienungsanleitungen Seite 6

SET-equipment pH 323/SET / pH 325/SET............................. 8
Instruction manual
Microprocessor pH-meter pH 323 / pH 325 ........................... 9
Definition of control elements ...................................................... 10
Display ............................................................................................................10
Keyboard.........................................................................................................11
Sockets ...........................................................................................................12
Putting into operation ................................................................... 13
Switching on / Display test ...............................................................................13
pH-measurement ........................................................................... 14
Selection of calibration mode ...........................................................................14
Automatic calibration with buffer solutions acc. to DIN 19266 "AutoCal" ...........15
Automatic calibration with WTW-Technical buffer solutions "AutoCal TEC".......17
Conventional two-point calibration "ConCal".....................................................19
Conventional one-point calibration "ConCal".....................................................22
Automatic drift control "AutoRead (AR)" ...........................................................23
Setting of temperature .....................................................................................25
mV-measurement .......................................................................... 26
Switching off .................................................................................. 26
Meas. value memory ..................................................................... 27
Storage ..........................................................................................................27
Readout ..........................................................................................................28
Erasure ...........................................................................................................29
Analog output (pH 323 only) ......................................................... 30
Serial interface (pH 325 only) ....................................................... 31
Automatic transmission of meas. value ............................................................32
Meas. value transmitted by keypressing ..........................................................32
Readout of memory.........................................................................................33
Energy supply................................................................................ 34
Operation with non rechargeable/rechargeable batteries..................................34
Mains power supply and changing of rechargeable batteries............................36
RESET-function ............................................................................. 37
Trouble Shooting ........................................................................... 40
Technical data ............................................................................... 44
6
Contents
BA12204/05.95/Pap/pH323-325-SET-2