Calibration Gas Set-Up - Ametek Dycor CG1100 Series User Manual

Calibration Gas Set-Up

*
Zero
Gas
*
Set for 3 psi.
Span
Gas
Figure 3-6 Calibration Gas Set-Up
1.
set the 3-way valve on the back of the analyzer to OFF.
2. connect the calibration, span and zero gases to the 3-way valve.
1/8" using 1/8" tubing, connect the outlet of the 3-way valve to a 1/8" compres-
sion T-fitting. Using 1/8" tubing, connect one side of the T-fitting to the
tubing
CAL port on the back panel of the analyzer.
Cut a 9"-length piece of 1/8" tubing and connect it to the other side of the T-fitting. This 9"-length
3.
tubing prevents air from getting back into the system and influencing calibration gases.
4.
Connect a mechanical flow meter to the end of the 9" length of tubing.
You can skip
5.
set the 3-way valve to the Span Gas position. Using the flow control
this step if
valve on the span gas cylinder, adjust the flow rate until the mechanical
using room
air as your
flow meter reads 2 scfh.
span gas.
6.
set the 3-way valve to the Zero Gas position. Using the flow control valve on the zero
gas cylinder, adjust the flow rate until the mechanical flow meter reads 2 scfh.
7.
Remove the mechanical flow meter and set the 3-way valve to OFF.
8. Run the configurator software. Enter the flow rate in the Setup tab window.
Zero
Gas
*
Assuming flow
control valve is
located at cal gas
cylinder..
Figure 3-7 Alternate Calibration Gas Set-Up
3-Way
Valve
*
1/8" tubing
1/8"
Compression 150 sccm
Fitting
2 scfh
Mechanical
Flow Meter
3-Way
Valve
*
1/8" tubing
Atmosphere
1/8" tubing
1/8"
150 sccm
Compression Fitting
For For
Span Zero
Gas Gas
2 scfh
Mechanical
Flow Meter
Cal Gas
Inlet
Gas
IN
1/4" tubing
Gas
Outlet
CG1100
Cal Gas
Inlet
Gas
IN
1/4" tubing
Gas
Outlet
CG1100
1/8" tubing
Regulator
P1
Vacuum
Generator
Regulator
P1
Vacuum
Generator
Installation | 3-9