
334 GAS ANALYZER
Phase Calculation
When <PHASED> is selected from the <DATA PHASING> menu, the Tester displays the
phase calculation procedures.
The Tester detects a sharp rise in the engine RPM (from snapping the throttle) and waits
for a corresponding rise in the value of CO and fall in the value of CO2. The time lag
between these two events (data spikes) is the phase time value.
The Tester displays the phase value (time lag).
The Tester delays display of the data for the duration of the phase value.
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