5
4. NORMAL START UP SEQUENCE
4.1 Every Time You Use The Analyzer
BEFORE SWITCH-ON CHECK THAT:
• The particle filter is dry and not dirty or damaged
• The water trap and probe line are empty of water
• All hose connections, etc. are properly made
• The probe is sampling CLEAN AMBIENT air
• The water trap is correctly fitted and the instrument upright
• The oil temperature probe is connected if required (Certain analyzers)
*DO NOT RUN ANALYZER WITHOUT WATER TRAP FITTED
Switch ON the instrument by pressing
4.2 Automatic Zero Calibration
During this sequence the analyzer pumps fresh air into the sensors to allow them to zero and the oxygen
sensor to be set to 20.9 %.
After switch-on the analyzer will briefly display header information:
And then show the initializing screen:
The time will count down in seconds to zero and is pre-set by the instrument. During countdown the
instrument will check flow rate and initialize the measuring system, do not block the end of the probe or
insert into or near the vehicle exhaust.
Once the initialization time has reached zero an audible beep will be heard and the option to perform a leak
test will be given. The following screen will be displayed:
Press
to select YES and perform a leak test or use and enter NO to skip.
UEI
1-503-644-8723
INITIALIZING
TIME: 75
FRESH AIR PURGE
LEAK CHECK?
YES
PRESS ENTER