wtw photolab S12 Operating Instructions Manual page 74

10. Correction functions
After approx.
2 s:
5
– Press to call up the absorbance measuring
mode.
After approx.
2 s:
Erasing the reference value
A measured reference
absorbance value is erased
manually using the erase ref. absorb. function
by switching off the meter.
50
The measured value for the wavelength displayed at
the top right appears.
– If necessary, change the wavelength by pressing
3
the key.
The measured value for the selected wavelength
appears.
The measured reference absorbance remains
valid for all consecutive measurements with the
same wavelength.
– Insert the measuring cell.
The measured value corrected by the reference absor-
bance is displayed.
.
– Select the erase ref. absorb. menu item
– After confirming with
bance value is erased.
1
, the reference absor-