5 Putting into operation
52
NIRFlex N-500
Operation Manual, Version G
If this is not the case, proceed as follows:
• Slide the adjustment ring over the transflectance sleeve and
turn it on the thread as far as possible.
• Now slide the 1 mm spacer ring over the transflectance
sleeve, so that the pin on the inner surface of the spacer ring
fits into the groove in the adjustment ring.
• Place the 1 mm spacer disk in the center of the transflec-
tance adapter window.
a
• Slide the transflectance adapter over the probe head and
orient it so that the pin at the probe head is pushed into the
groove of the spacer ring.
• Push the transflectance sleeve upwards until the spacer disk
seats solidly between the transflectance adapter window
and the probe window and exactly determines the distance
between those two.
• Tighten the retaining screw
a
.
NOTE
It is very important that the spacer disk is located on the window center, otherwise it could get stuck
between the metal edges during the adjustment procedure, damage the windows and fail to indicate
the correct distance between probe and adapter window.