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Certification/Safety/Warnings
The Pressure Calibrator is for general purpose use only.
Note the following WARNINGS and requirements:
• User must use bulkhead fitting hex surface when attaching user’s 1/8"
NPT fitting. When making mechanical connections, DO NOT apply
torque to bulkhead fitting that causes the fitting to turn or twist with
respect to plastic enclosure. To do so, will damage the product and void
the warranty.
Changing the Batteries
The PC is powered by three, 1.5 volt AA size batteries. When the output of
the batteries drop below a normal level, the display will activate the “BAT”
icon, indicating a low battery condition. A low battery condition may affect
performance, and therefore, the unit should not be u
sed to measure pressure.
All three batteries should be replaced.
To replace the battery locate the battery compartment in the bottom rear of the
PC. Remove the two screws located at the top center and bottom center of the
battery cover by turning them counterclockwise until they are fully
disengaged from the PC base. Lift the cover from the back of the unit. Do not
remove the pink antistatic foam that is attached to the inside of the
battery cover. This foam is necessary to properly secure the batteries
under specified shock and vibration conditions!
Remove the batteries by pulling the positive side first straight out of the
battery compartment. Note the positive (+) and negative (-) battery polarity
markings at the
bot
tom of the compartment, as shown below.
Install the three batteries by sliding them into the bottom of the battery slots,
making sure the polarity markings on the batteries align with the markings
shown in the battery compartment. The battery compartment has stand-offs
molded into the side of the compartment. When a battery is installed with the
polarity reversed, the stand-offs prevent the negative battery terminal from
contacting the positive terminal in the battery compartment. The unit will not
power up when a battery is installed this way. Should this happen, simply
reverse the battery to correct the polarity.