8.3 WATER FILL
Figure 8-2. Filling the Saturator
Note: Only distilled or deionized
water should be used. The
minerals in tap water may
gradually contaminate the
instrument and cause inaccurate
readings.
With power ON, remove the cap
from the clear water reservoir. Using
the supplied syringe, draw water into
the syringe until full. Place the
flexible hose at the end of the
syringe into the opened Saturator fill tube such that the tip extends below the
clear portion of the fill tube, and depress the plunger. Do not fill above the panel
surface. In case of overfill, draw the excess water into the syringe and bring the
water level below the clear portion of the fill tube. Total capacity of the Saturator
is approximately 40 ml (2 – 3 full syringes). Replace the reservoir cap firmly.
8.4 AIR CONNECTION
(Optional)
A ¼ inch compression fitting is mounted on the panel. In normal portable
operation, it is not necessary to connect anything to this port, since room air is
automatically drawn into the calibrator, through the fitting, by the vacuum pump.
If you prefer to use your own source of instrument quality dry air, a ¼ inch line
may be connected. In this mode, the requirement for periodic maintenance of
the desiccant dryer material is eliminated.
Note: Air line pressure must NOT exceed 5 psig.
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