BUCHI NIRFlex N-500 - Manual (Page 30)

4 Description of function
30 NIRFlex N-500 Operation Manual, Version F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
a Detector
b Magnet sensor
c Status LED
d START button
e STOP button
f Internal reference
g Magnetic coding
h Sample
i Petri dish j Petri dish holder
k Rotary plate
l Motor
m Optic 1
n Light barrier
o Mirror 1
p Mirror 2
q Optic 2
Functional principle of the NIRFlex Solids
4 .6 .3 Petri dish add-on for NIRFlex Solids
NIRFlex Solids with petri dish add-on
The NIRFlex Solids with the petri dish add-on is the ideal configuration to measure solid samples
in standard glass petri dishes. The petri dish add-on also enables to use a transflectance cover to
analyze liquids (e.g. solvents, milk, etc.). The transflectance technique is a good compromise for
customers, who only analyze liquids occasionally.
To carry out the reference measurement, the user has to place the External Reference (see also
section 5.10) onto the sample window.