Spectronic 20+ Series User Manual

Glassware selection and samgling ogtions
To change adapters, loosen the small set screw on the
inner wall of the adapter using the adapter wrench
clipped to the bottom of the instrument (see Figure
1-3).
In addition to the standard Y2" test tube and Y2" adapter
supplied with the instrument, several types of
glassware are available. The sample adapter must
match the glassware, as shown in the chart below.
Table 4-2 Cell selection chart for SPECTRON/("iI20. series of spectrophotometers
PICTURE
DESCRIPTION CATALOG
NUMBER
331709 I
PATH LENGTH
ADAPTER
ALSO
REQUIRES:
Square
Optical
45mm
10mm 333178
(included with
_instrumeB!)-
333176
Cell Holder
ro
331701
11.66 mm
333178
(included with
instrument)
Cuvette
Optical Glass
100 mm tall
Semi-Micro Cuvette
331713
10mm
333178
(included with
instrument)
333176 I
Cell Holder
I(included with
331713
cuvettes)
1/2' Test Tube
Optical Glass
100 mm tall
331780
0.459'
(11.7 mm)
333178
(included with
instrument)
~
3/4' Test Tube
Optical Glass
150 mm tall
331781 0.657'
(16.69 mm)
332931
332932
Light Shield
l' Test Tube
Optical Glass
150 mm tall
331782 0.880'
(22.4 mm)
332930
332932
Light Shield
Cuvette
Glass
tall

Spectronic 20+ Series Specifications

General

Spectral Bandwidth	20 nm
Light Source	Tungsten lamp
Detector	Silicon photodiode
Wavelength Accuracy	±2 nm
Display	Digital display (Spectronic 20+)
Power Requirements	50/60 Hz
Sample Holder	Accommodates standard 10 mm square cuvettes