Rear panel connections, Supply inlet – VICI 500 Dynacalibrator User Manual
Page 13
Getting Started
Rear Panel Connections
Remove all shipping caps and shipping plugs from the rear panel bulkhead
fittings. All these hardware items should be saved for reuse if the Dynacalibrator
must be stored or returned to VICI.
The connections available on the rear panel of the different models and
configurations are listed in Table 1. If a plumbing connection is required, the
block under the fitting heading is marked with an “X”; if there is no connection,
the block is blank.
Fitting locations are identical for all configurations. Fitting holes which are not
used are equipped with blank caps. All connections are clearly marked and
easily identified.
Model
Inlets
Outlets
Bypasses
Vents
Sample
Supply
Carrier
Dilution Stream
Span
Zero
Carrier
Dilution Overflow
Chamber
500-0
X
X
X
X
500-1
X
X
X
X
X
X = Required connection
blank = No connection
Supply Inlet
All Dynacalibrators except those with -1X input configurations (separate carrier
and dilution inlet ports) are equipped with a supply inlet fitting. The supply inlet
must be connected to an external pressurized source of carrier and dilution gas
such as an external pump, a cylinder of compressed gas, etc. The most commonly
used gas is dry air; however, dry nitrogen or any other comparably inert gas
including ambient air may also be used.
The pressure of the external gas source connected to the
supply inlet must be at least 10 psig but no more than 25 psig.
High pressure pumps and gas cylinders are potentially very
dangerous. Extreme care must be exercised when making
or breaking connections between the Dynacalibrator and
external gas sources. A suitable relief valve and/or regulator
must be employed on all external sources.
If there is a need to condition the incoming external source of gas (external
pump or pressurized cylinder), the conditioning filters, scrubbers, dehydrators,
etc. should be placed on the supply stream before it is connected to the
Dynacalibrator inlet.
Table 1: Dynacalibrator Model 500 rear panel connections