Thermo Scientific 450iQ Instruction Manual page 280

5. Pull thermistor assembly upwards.
Figure 9–11. Installing Glass Tube pt 2
6. Push and gently twist tube dispersion glass upwards and seat into o-
ring.
Note Make sure PTFE tube and thermistor is inside the dispersion glass.
Keep glass clean by using kimwipes or similar material to handle glass.
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450iQ Instruction Manual Thermo Scientific