39 • Setting Basic Operational Parameters in the Config Menu
Pre-Sample Flush Time (AIR Flush)
The pre-sample flush time is the length of time that the SDM-6000 will draw air
through the AIR fitting before performing an air adjust operation.
Calibration Gas Sample Time (GAS)
The calibration gas sample time is the length of time that the SDM-6000 will draw
calibration gas through each of the gas fittings.
Post-Sample Purge Time (AIR Purge)
The post-sample purge time is the length of time that the SDM-6000 will draw air
through the AIR fitting to purge calibration gas from the system.
Bump Test Check Tolerance (Tolerance)
The bump test check tolerance determines how close the GX-6000 gas reading must
be to the calibration gas concentration for each channel during a bump test in order to
pass the bump test. It is defined as a percentage of the calibration gas concentration.
The amount that the GX-6000 gas reading differs from the calibration gas
concentration must be equal to or less than this percentage of the calibration gas
concentration. For example, if the tolerance is set to 50%, and the %LEL calibration
gas concentration is 50% LEL, then the bump test gas reading for the LEL channel on
the GX-6000 must be 50 %LEL ± 25 %LEL.
Fast Bump (Fast)
If Fast is not selected, the gas application during a bump test will continue for the time
period defined by the GAS bump test parameter regardless of the sensor reading(s).
Post-Sample
Purge Time
AIR Purge
5 - 120 seconds in
1 second increments
15 seconds
Bump Test Check
Tolerance
Tolerance
10% - 50% in
1% increments
50%
Fast Bump
Fast
• On
• Off
On
Automatic
Calibration
Auto Cal.
• On
• Off
On
Alarm Check
Alarm Check
• On
• Off
On
Auto Print
Auto Print
• On
• Off
Off
Table 11: Bump Test Parameters
Parameter
Display Tag
Available Choices
Factory
Setting
