VICI 235 Dynacalibrator - Manual (Page 27)

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Electrical Description
D ynacalibrators are powered from a benchtop style transformer on the rear
panel. This is a switcher-style supply that allows a range of input voltage and
frequency from 100 to 240 VAC at 50-60 hz. The power supply steps the voltage
down and regulates the output to 24 VDC. If the cord end type is inappropriate
for your locale, please contact VICI for a replacement cord.
The main power switch is on the front panel. When the main power switch is on,
24 VDC energizes the main power indicator on the front panel, as well as the fan,
mass flow controllers, and permeation oven.
There are no user serviceable parts within the Dynacal 235. If a suspected
problem arises with the instrument, please contact the factory.