wtw pHotoFlex, Operating Manual

Page: 24 / 111

Operation pHotoFlex / pHotoFlex Turb
24 ba75491e05 04/2009
Display illumination
with battery and accu-
mulator pack operation
During operation with batteries or accumulator pack the meter automat-
ically switches off the display illumination if no key is pressed for
30 seconds. The illumination is switched on again with the next key-
stroke.
4.2 Inserting a cell
To be able to insert cells in the pHotoFlex (Turb), the cell shaft has to
be prepared to take in a cell.
Inserting a 28 mm cell
1 Push the dust cover (1) upward.
The cell shaft for 28 mm cells is open.
z
Insert a 28 mm cell (see below)
z
Insert a 16 mm cell (see page 25)
1
2 Insert the cell so that it is positioned on the bottom of the cell
shaft.
The cell is ready to be measured.
3 For turbidity measurement:
Align the cell (see section 4.7.2).