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Instruction Manual
VGC301 Controller
WARNING! Do not use the convection gauge connected to this device in an explosive atmosphere or in the
presence of flammable gases, vapors or fumes. Do not use this device to measure the pressure of explosive or
o
combustible gases or gas mixtures. The sensor wire in the gauge normally operates at 125
C, but if malfunction
should occur, the wire temperature could exceed the ignition temperature of certain combustible gases and gas
mixture. This could cause an explosion which could result in serious injury or death.
Installation
3
Mechanical Installation
3.1
The VGC301 is designed for use on a bench top, or it may be mounted in an instrument control panel.
To mount the VGC301 in a panel:
1. Make a cutout in your instrument control panel as shown in the drawing above. Be sure to allow clearance
behind the panel for the instrument as well
as connectors and cables at the rear of the
instrument
2. Gently pry the front panel bezel loose
and remove.
3. Slide the VGC301 into the panel hole
cutout.
4. On either side of the VGC301 are two
screw-mounting brackets. When the screws
in the front of the instrument are turned
counterclockwise, the hold-down brackets recess out of the way into the VGC301 housing. When these screws
o
are turned clockwise, the brackets rotate out 90
behind the panel. Tighten these screws until the brackets hold
the VGC301 in place against the panel.
5. Press the front panel bezel back in place.
InstruTech, Inc.
Page 9
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