Starting The Calibration - wtw Oxi 315i Operating Manual

Operation
20

4.3.1 Starting the calibration

Proceed as follows to calibrate the instrument:
1 Connect the D. O. probe to the measuring instrument.
2 Keep the OxiCal
Note
The sponge in the air calibration vessel must be moist (not wet). Follow
the instructions in the OxiCal
3 Put the D. O. probe into the air calibration vessel.
Press the <CAL> key. The calibration mode appears.
4
TDS UpH O
1 C A L
S
8 1 7
Time Baud
Day.Month No.
Year Ident
Tref25 Tref20 AutoCal DIN
LoBat nLF Lin Cal AutoCal TEC
5 Press the <RUN/ENTER> key. AutoRead is active, AR flashes.
TDS UpH O
0 8 8
1
S
1
8 7
Time Baud
Day.Month No.
Year Ident
Tref25 Tref20 AutoCal DIN
LoBat nLF Lin Cal AutoCal TEC
6 As soon as a stable value is reached, the AR display indicator
stops flashing. This indicates that the calibration is complete;
the relative slope that was determined and the sensor evalua-
tion appear on the display (see page 19).
®
-SL air calibration vessel ready.
®
-SL operating manual.
Sal
mV/pH
% mg/l
m S/
cm
mbar M cm
1/ cm Sal
6
°
C
/
% K
TP
° F
Auto Store
ARng
AR RCL
Sal
mV/pH
% mg/l
S/
m
cm
mbar M cm
1/ cm Sal
6
°
C
/
% K
TP
° F
Auto Store
ARng
AR RCL
Oxi 315i