Installation and Start-Up | 3-11
Installing the Zero Gas Line
The Zero gas line is supplied by the customer. The Zero gas connection
(1/4” Swagelok fitting) is located on the Solenoid Block (Figure 3-3).
The recommended Zero gas is UHP Nitrogen, UHP Methane, or zero
purity Carbon Dioxide. If required, activated charcoal filters can be used
to obtain:
• < 15 PPM O
2
• < 10 PPM H
2
O
• < 1 PPM Hydrocarbons
• < 0.1 PPM Total Sulfur
at a pressure 10 % above the Measuring Cell pressure.
To install the Zero gas line:
1. Route the tubing from the Zero gas cylinder to the analyzer.
2. Purge the line to remove any liquids or particulate in it before con-
necting it to the analyzer.
3. Connect the line to the Zero Gas Inlet on the analyzer.
4. Connect the Zero gas air line to the Zero gas cylinder.
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