BUCHI NIRFlex N-500 - Manual (Page 57)

5 Putting into operation
57 NIRFlex N-500 Operation Manual, Version F
Internal and External Reference measurements provided by the measuring cells/add-ons
Measuring cell / Add-on Internal reference External Reference
NIRFlex Solids with Spinner add-on - manually
NIRFlex Solids Transmittance - built-in
NIRFlex Fiber Optic Solids x manually
NIRFlex Fiber Optic Liquids x manually
NIRFlex Liquids - built-in
NIRFlex Fiber Optic SMA
(+ individual accessories) x manually
without internal reference:
Spectrum =
sample
ext. reference
with internal reference:
Spectrum = sample (recent) / int. reference (recent)
ext. reference (old) / int. reference (old)
For more information on the reference measurements, see also section 6.