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490 Micro GC Installation
Step 1: Connect carrier gas
Step 2: Connect to calibration gas or checkout sample
Step 3: Install power supply
490 Micro GC User Manual
If you are installing the 490 Micro GC for the first time, follow
the steps as described below.
If you are performing a re-installation, see
Recovery Procedure"
Install gas regulators and set pressures
Carrier gas cylinders should have a two-stage pressure regulator to
adjust the carrier gas pressure to 550 kPa ± 10 kPA (80 psi ± 1.5 psi).
Set cylinder regulator pressure to match the gas inlet pressure.
Connect carrier gas to the Micro GC
The Micro GC supports the use of helium, nitrogen, argon and
hydrogen. The recommended purity for carrier gas is 99.999 %
minimum. Connect the carrier gas to the Micro GC Carrier 1
fitting (and Carrier 2 fitting, if available) and turn on the gas
flow. See
"Carrier Gas Connection"
Install the external filter unit as described in
filter unit"
on page 46.
For an unheated GC channel: Connect the sample to the Micro
GC using the sample-in connector situated at the front of the
instrument (see
"Front View"
For a heated GC channel: Connect the sample to the heated
sample as described in
Micro GC"
on page 48.
Connect the power connector to the Micro GC, and then plug the
power cord into an appropriate power source. See
page 23. Ensure the power supply is placed in such a way that the
mains appliance inlet or adapter is easy to reach for the operator, as
it functions as a power disconnect switch.
The Power LED will light. The Ready LED lights when all parameter set
points in the system are reached. (See
on page 42.
on page 21.
"Using the external
on page 17).
"How to connect your sample to the 490
"Front View"
3
Installation and Use
"Long Storage
"Power"
on
on page 17.)
33
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