Teledyne 7600 - Infrared gas analyzer - operating manual - Manual (Page 46)

Operation Model 7600
Teledyne Analytical Instruments 46
3.5.1.4 A UTORANGING
The Model 7600 can be set to autorange where the instrument will
select the analysis range automatically. To use the autorange feature, AR
must be selected for the switch mode. Note that each channel is
independent so that autoranging can be used for some or all of the
available channels. the remaining channels can be configured to manual
or remote switching.
To setup autoranging use the same procedure as Section 3.5.1.1
except you must select AR for the switch mode on the channel or
channels you want to autorange.
3.5.2 Calibration Parameters
The next menu choice from the user screen is the Calibration
Parameters menu. Here calibration settings can be configured for your
particular application. There are 4 submenus in the Calibration
Parameters menu. They are:
• Calibration Value—set the concentration of calibration gas
• About ZERO Calibration—set each or all components to be
zero calibrated during a manual zero calibration.
• About Calibration Range—sets whether each component
during a zero or span calibration should be calibrated with a
single or dual range.
• Auto Calibration Components/Range— select the component
and range with which auto calibration is to be performed.
3.5.2.1 C ALIBRATION V ALUE
This submenu allows you to set the concentration of the standard
gas (zero and span) for each channel used for calibration.
To enter the Calibration Value submenu:
1. From measurement mode, press the MODE key to
display the user mode.
2. Point the cursor to “Calibration Parameters” by pressing
the UP or DOWN key.
3.
Press the ENT key to enter the Calibration Parameters
menu.