Advanced Instruments 3900, User Manual

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78
The Advanced
®
Osmometer Model 3900 User’s Guide
A. The tip of the probe must be in the center of the sample tube, an equal dis-
tance from all surfaces. The probe tip must be the same distance from the
bottom of the tube as it is from the side walls.
B. The flange of the mandrel must be flush with the head chassis.
C. The stir/freeze wire should be 1-1.5 mm, (1/32-1/16”) away from the man-
drel at this point. See bottom view.
D. The stir/freeze wire should be about 1 mm (1/32”) away from the probe.
Bend the wire where it changes diameter if necessary.
MANDREL BOTTOM VIEW
PROBE
MANDREL
STIR WIRE
A
B
C
D
Figure 11: Mandrel, Probe, and Stir Wire Adjustment