EC9830 CO ANALYZER OPERATION MANUAL
1-4 98307600 Rev. C-1
1.1.16 Digital Output
Multidrop RS232 port shared between analyzers for data, status, and control.
Service RS232 port gives front panel access to a local or remote user.
USB port connection on the rear panel provides data transfer and control.
DB50 with discrete status, user control and analog output.
1.2 U.S. EPA Reference Method
The EC9830 carbon monoxide analyzer is designated under U.S. EPA regulations
as reference method RFCA-0992-088. Use of the EC9830 under U.S. EPA
designation as a reference method, as defined in 40 CFR Part 53, requires
operation under the following conditions:
Range: Any full scale range from 0-5.0 ppm to 0-100 ppm.
Ambient temperature: 15° to 35° C.
Line voltage: 105 to 125 VAC, 60 Hz, or 200 to 240 VAC, 50 Hz.
Flow rate: 1 slpm.
Pump: Internal Pump (A Series), Ecotech external pump or equivalent (B
Series) (see section 2.1.2.3).
Filter: A 5 micron PTFE filter must be installed in front of the sample inlet
(Zero and Span gas must pass through this filter).
If the units in the MEASUREMENT MENU are changed from volumetric to
gravimetric (or gravimetric to volumetric), the analyzer must be re calibrated.
The analyzer must be operated and maintained in accordance with this
operation manual.
The following menu selections must be used:
INTERFACE MENU
ANALOG OUTPUT MENU
RANGE: 5 PPM to 100 PPM
OVER-RANGING: ENABLED or DISABLED
INSTRUMENT MENU
MEASUREMENT MENU
FILTER TYPE: KALMAN
CALIBRATION MENU
CALIBRATION: MANUAL or TIMED
SPAN COMP: DISABLED
BACKGROUND: not DISABLED
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