User's Manual

Settings and Calibration Model 7500ZA
Teledyne Analytical Instruments 56
• Flow Time: The time required for purging with calibration gas.
Time required for replacement of sample gas after the calibration
is completed (Set by calibration gas. See the next page.)
• ON/OFF: Turns the auto calibration feature ON or OFF.
To close the Auto Zero Settings screen or to abort the entry
midway, press the ESC key. The previous screen will return.
Auto Calibration Status Relay Contacts
The auto calibration status contact output is closed during auto zero
calibration (NO side), and open during normal operation.
Example
Start Time
SUN 12:00
Cycle
12 hour
Flow Time
300 sec
ON/OFF
ON
For an auto zero calibration using the above settings:
In this example, Ch1 through Ch5 are enabled, as shown in Section
6.2.4 “Setting the Component/Range for AutoCalibration.