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19. Calibration Procedure
For best results, the calibration gas concentration should be
as close to the expected levels of emissions as possible. Because
each sensor is linear through a nominal range, one calibration gas
concentration can be used for a reasonably wide range of emission
levels.
Fully charge analyzer:
Place unit on charge the night before you plan to use
analyzer to ensure full charge of battery.
Turn on analyzer and let warm up:
Switch on analyzer. Select
Gas Analysis
on main menu.
Select Fuel Type and press
OK
. Select
No
for Data Processing (if
prompted). Instrument will complete auto-zero sequence. Let the
analyzer run for 15 minutes to acclimate to ambient temperature.
This is very important, as the accuracy of electrochemical sensors is
dependent on a proper temperature setting. Switch off the analyzer
and switch back on. Go to
Gas Analysis
mode. The instrument will
complete auto-zero based on the proper temperature.
Calibrate your analyzer:
1.
Select
Control
on the main menu. Swipe calibration magnet
over the Cal Magnet sticker, located above the
ESC
button. The
analyzer is now in calibration mode. You will see real-time
readings on the screen.
2.
Connect calibration hose from the regulator to the gas inlet
(O2/CO) on the analyzer.
a. If you are using an on demand regulator, connect it to
the gas bottle and open gas bottle valve completely.
The regulator will hold back the flow of gas until
connected to the analyzer.
b. If you are NOT using an on demand regulator, adjust
the flow to match the analyzer pump draw.
Summary of Contents for EN2-F
Page 1: ...Version 1 9 2 Operating Instructions ...
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