5 Appendix
38
Spectrosense, Instructions for Use
5.2.2 Carry out adjustment
Fig. 5 Spectrosense connections
•
Dark voltage adjustment
Screw off the mirror.
Hold the tip of the Spectrosense in the air in a dark place. Pay atten-
tion not to hold the tip against a shiny surface. Now turn the counter-
sunk screw of the
Dark voltage adjuster
(
4
) very gently and try to
come as near as possible to
50 mV
(ideal: 30 mV to 50 mV).
•
Bright voltage adjustment
Screw the mirror back on the Spectrosense.
Immerse the Spectrosense into dest. water and turn the countersunk
screw of the
Bright voltage adjuster
(
3
) very gently. Try to come as
near as possible to
1000 mV
but do
not
exceed the value 1200 mV
(ideal: 980 mV to 1020 mV).
3
Bright voltage adjuster
4
Dark voltage adjuster
