Autocal Din - wtw inoLab pH/Cond Level 1 Operating Manual

Operation
94

4.3.2 AutoCal DIN

Use two different DIN buffer solutions (type A, C, D or F with
the pH values 1.679, 4.006, 6.865, 9.180) for this procedure.
Note
Steps 2 and 6 are not required if you use a temperature
probe.
c
1 Press the
function display appears.
2 If necessary, set the temperature of the buffer solu-
tion by pressing
3 Submerse the pH electrode in the first buffer solution.
g
4 Press the
AR flashes on the display.
The electrode voltage (mV) appears on the display.
As soon as a stable value is recognized, Cd2 ap-
pears.
5 Thoroughly rinse the electrode with distilled water.
key repeatedly until the AutoCal DIN
u d
.
key.