DVVA II 4000
Maintenance
400-42803-01 (Rev B) - July 2017
9-19
Conditioning the Piston Tip
A new piston tip should always be conditioned before using. Prepare 10 samples, using 1 gram
(± 0.001 gram) each of the same material for this procedure.
1. Click
Unit 1 > Show Instrument Schematic
, then
Unit 1 > Enable Manual Control
.
2. Move the lower piston to its uppermost position.
3. Right-click on the
Speed
icon and select
Medium
.
4. Slide the sample compartment shield down, then press the
Reset
button.
5. Using the instrument schematic, press and hold down the piston
Down
arrow until the
pressure display shows 1000 lbf. or greater.
6. Return the lower piston to its lowest position.
7. Select
Unit 1 > Return Upper Piston Home
to return the piston to its uppermost position.
8. Select
Unit 1 > Enable Manual Control
to remove the check mark and disable manual
control.
9. Minimize or close the instrument schematic.
Use of certain USB devices or the addition or removal of a USB device during an
analysis may cause a delay in data acquisition, resulting in a loss of data or the
cancellation of an analysis. Avoid the use of attached USB devices such as flash
drives, digital audio players, or cellular phones during an analysis. Additionally avoid
adding or removing USB devices during an analysis.
Piston Down arrow
Speed icon
.
Содержание DVVA II 4000
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