Netech UPM 2000, Руководство пользователя

Страница: 31 / 50

UPM 2000
Netech Corporation
110 Toledo St, Farmingdale, NY 11735
http://www.Netech.org
31
1-800-547-6547
5. Open the bottle of degassed water. When the vacuum seal is broken you should
ou do not hear or feel the vacuum, discard the water.
that the oxygen content of the water is
7.
Not
een allowed to completely com room te re.
be able to hear it. If y
6. Use a Dissolved Oxygen Test kit to ensure
less than 2 ppm.
Fill the tank with 600 ml
±
50 ml of fresh distilled and degassed water. Do not
spill water on the panel of the UPM 2000. Fill until the water reaches slightly
above the bottom lip of the well, as shown below.
Immediately replace the cap on the coupling water bottle.
e
: Be sure the water has b e to mperatu
If the water temperature is lower or higher than the unit and room temperature, it
will be difficult, if not impossible, for the unit to
achieve a stable zero setting.
8. Insure that there are no air
bubbles on or under the
transducer cone and stuck to
of
me of the sound beam in the wrong
Make sure air bubbles
like these are removed.
Water Fill
el
the rubber sound absorber
surrounding the cone in the
tank.
Air bubbles may induce some reading errors due to buoyancy changes
the transducer cone, erratically bouncing so
directions or away from the sound absorber.
Lev