Alicat VC Series Volumetric Flow Controller - Manual (Page 44)

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Alicat Portable Meters and Gauges
Alicat Portable Flow Meters and Gauges use a common 9 Volt battery located in the top section of your
meter.
Output signals from the flow meter are passed through the female connector on top of the flow meter.
Turn the switch on top of the flow meter “off” when the meter is not in use.
Normal (9V alkaline) battery life is approximately 8 hours (30-40 hours with a 9V-lithium battery),
however many factors can affect this.
Replace the battery as often as required. A yellow LED indicates low voltage and that the battery should
be replaced.
A false signal can result when the voltage drops below its normally regulated level.
Alicat Portable Flow Meters and Gauges can also be powered by an optional AC/DC plug-in wall adaptor.
With the adaptor plugged into the flow meter, the battery is bypassed and the meter will operate solely
off the adaptor power supply.
Replacing the Battery:
Remove the four Phillips head screws from the front cover and gently remove it as shown below. 1.
Remove the 9V battery, pulling the top of the battery out first. 2.
Disconnect the old battery from the harness and replace it with a new battery. 3.
Install the new battery bottom end first and replace the back cover so that the cushioning pad 4.
presses directly down on the battery.
Replace the four Phillips head screws.
5.
Battery cover removal