User's Guide

POLI User’s Guide
17
5.2.2.2 Span Calibration
Depending on the configuration of your POLI and the span gas you have, you can
perform a span calibration simultaneously on multiple sensors.
The selected sensors and their values are shown on the screen. With calibration gas
connected to the instrument and turned on, start a multiple span calibration by pressing
[+/OK]. If you do not want to perform a multiple span calibration, press [ /↓].
The active sensors’ names are shown in a list. Press [+/OK] to highlight the sensor you
want to span calibrate, and then press [ /↓] to select it.
Note: You can abort a multiple span calibration by pressing [ /↓] once testing has
started.
When the Multi Span calibration is done, a screen labeled Calibration Results is shown,
with the sensor names and either ‘Pass’ or ‘Fail’ shown next to them.
Note: You can abort a span calibration by pressing [ /↓] once testing has started.
When the span calibration is done, the calibration results screen is shown with either
‘Pass’ or ‘Fail’ shown.
5.2.2.3 Bump Testing
Depending on the configuration of your POLI and the span gas you have, you can
perform a bump test simultaneously on multiple sensors.