System Description
Gas Supply
3-16
iCAP Q Operating Manual (P/N 1288090, Revision B)
Thermo Fisher Scientific
Helium
For the iCAP Qc and the iCAP Qs, an installation test is performed
with helium gas to pressurize the CCT cell. See
for details of
the helium gas requirements:
Two-stage Gas Pressure Regulator
The quality of the gas regulator is critical to ensure optimum
performance. A high quality two-stage pressure regulator is absolutely
essential.The plasma gas regulator should have a specification of 20 MPa
(200 bar) primary pressure and 1 MPa (10 bar) outlet pressure. The
CCT gas regulator should have a specification of 20 MPa (200 bar)
primary pressure and 0.3 MPa (3 bar) outlet pressure.
Each country has a different standard outlet fitting for its gas supplies
and therefore each country will require a different regulator. Examples
for regulators are given by region in
1
If your region is not
listed, contact your local Thermo Fisher Scientific service office for
advice.
Thermo Fisher Scientific supplies the 1/16-inch to 1/4-inch adapter for
the iCAP Qc and the iCAP Qs instruments to connect the CCT gas
tubing to the gas bottle regulator. If the outlet from your regulator is not
1/4 inch, you will need to provide a suitable adapter.
Table 3-3.
CCT gas requirements for helium
Gas requirements
Specification
Purity
99.999% or better
Maximum water content
2 ppmv
Supply rate
max. 10 mL/min
Pressure 0.1 MPa
(1 bar)
1
Thermo Fisher Scientific does not endorse any manufacturer, nor does it endorse products
other than its own. Companies and products listed in this guide are given as examples only.
Table 3-4.
Regulator suppliers
Country
Manufacturer
Reference Code
Gas Application
Europe
Linde
C 106/2
Plasma
Linde
C 202/2
CCT
Linde
C 200hv/2
CCT
Spectrolab
LM62
Plasma
US
Matheson
3810-CGA580
CCT
BOC
HP1700
(CGA580)
CCT
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