wtw inoLab pH/ION Level 2 Operating Manual page 36

Operation
Two point calibra-
120
1 Select the ISE measuring mode using
tion
2 Press the
tion of the first standard solution and the ConCal dis-
play indicator appear on the display.
3 Enter the current concentration of the first standard
solution using
4 Immerse the electrode into the first standard solution.
5 Press the
The electrode voltage appears on the display, the AR
display indicator flashes.
6 As soon as a stable value is achieved AR stops
flashing. The previously set up concentration of the
second standard solution appears on the display.
c
key. The previously set up concentra-
u d
.
g
key.
m
.