Ecotech A Series User Manual

EC9830 CO ANALYZER OPERATION MANUAL
3-16 98307600 Rev. C-1
3.4.3 AZS Setup
Note
In the CALIBRATION MENU the second
CALIBRATION field requires the designation of
INTERNAL or EXTERNAL. This choice should be
EXTERNAL only if the EZS valve assembly is
installed and gas is attached to the external Zero and
Span ports.
1. Enter the CALIBRATION MENU.
2. At the first (upper) CALIBRATION prompt, select TIMED.
3. At the TIMER INTERVAL prompt, set the number of hours between timed
calibrations. Typical settings are 23 hours and 24 hours.
4. At the STARTING HOUR prompt, enter the hour of the day when AZS is to
commence.
5. At the prompt CYCLE TIME, enter the number of minutes required for the
span and zero steps to run.
6. At the CO TIMED SPAN prompt, enter the concentration value of the span gas
to be used.
7. At the second (lower) CALIBRATION prompt, choose INTERNAL (unless the
valve option is installed and you want to use the external calibrator gas).
Using the INTERNAL choice, the span gas is connected to the Auxiliary port
and the output of the zero air scrubber is used for zero air. If EXTERNAL is
chosen, the span is connected to the Span port and user-supplied zero air is
connected to the Zero port.
8. At the SPAN COMP prompt, select ENABLED if you want the instrument span
adjusted to agree with the span gas after each AZS cycle.
Note
Use of SPAN COMP ENABLED is not allowed under
U.S. EPA designation at this time.
Caution
Setting an incorrect span gas value with SPAN
COMP enabled will cause all subsequent readings
to be incorrect.

Ecotech A Series Specifications

General

Brand	Ecotech
Model	A Series
Category	Measuring Instruments
Language	English