ALTANA LC 2 - Manual (Page 10)

Please note
An automatic self-test is
carried out with every
measurement. During the
measurement all segments
are displayed and the
battery voltage is checked.
A critical battery voltage is
indicated on the display.
8.21 V < U < 8.46 is
indicated on the display. If
U > 8.21 V, the message
Io.bA, appears on the
display. No more
measurements are
possible. Plate Electrode
imme
rs
io
n
d
e
ph
t