Instruction manual

Fyrite

INSIGHT

Plus Manual Calibration and Maintenance
0024-9487 Rev 2 93
5.8. CO Sensor Calibration
5.8.1. Materials Required
•
Calibration kit, P/N 0024-7059
•
Gas cylinder: 500 ppm CO in air, P/N 0024-0492
5.8.2. CO Manual Zero Procedure
The CO zeroing process is done automatically during warmup or manually using
the manual zero feature. To perform a manual zero, follow the steps below. If
your instrument is configured for CO auto mode, skip this CO manual zero
procedure and go to the CO Sensor Span procedure that follows.
Step Manual CO Zero Procedure
1 If not already done, turn ON the analyzer and display the Main Menu screen.
2 Use the UP () and DOWN () arrow buttons to select the SETUP menu and
press ENTER.
3 From the Setup Menu, use the UP () and DOWN () arrow buttons to
select the CO Zero Setting parameter then press ENTER.
4 From the CO Zero Setting screen, use the DOWN () arrow button to select
the Manual Zero option then press ENTER. A reminder screen to place the
instrument in fresh air is displayed.
5 Press ENTER and wait for the manual zero to complete.