BEAMEX PO8C, Руководство пользователя

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PO8C User Guide 9
Operation
Turn the selector valve to VENT position.
Ensure that the regulated pressure is set to zero by turning the
PRESSURE ADJUST knob
counterclockwise
. Also turn the
VACUUM ADJUST knob
counterclockwise
and set the
ADJUSTABLE VOLUME to its mid point.
Connect the output of PO8C module to the instrument under test
and to a suitable pressure measurement module.
Turn selector valve to either PRESSURE or VACUUM position
depending on your pressure needs. If you want to create
pressures above atmospheric pressure, open SUPPLY valve to
ON position.
To regulate the pressure, use either PRESSURE ADJUST or
VACUUM ADJUST
4
knobs (again, depending on your pressure
needs). Observe the regulated pressure/vacuum value from the
pressure calibrator’s display. For exact pressure adjustment,
close the selector valve and use the ADJUSTABLE VOLUME
knob. Remember to make small changes and wait for the
pressure to settle. Changes in gas pressure affects the gas
temperature and the tension/volume of the measurement hoses.
To vent pressure, turn selector valve to VENT position. To avoid
pressure shocks, rotate the selector valve to VENT position via
the regulator used for creating the pressure.
When ready, ensure that the regulated pressure is set to zero by
turning the PRESSURE ADJUST knob
counterclockwise
. Also
turn the VACUUM ADJUST knob
counterclockwise
, return the
ADJUSTABLE VOLUME to its mid point and set the selector
valve to CLOSE position..
Note!
High pressure is always dangerous. Read carefully the
instructions in chapter Warnings on page 5. Additional
warnings can be found in MCS100 User Guide, chapters:
Warnings When Using Pressure Modules on page 51 and
Additional Warnings When Using High Pressure Modules on
page 52.
4
Vacuum adjuster: Pull to adjust, push to lock.