Calibration Procedures
Teledyne API – Model T300/T300M CO Analyzer
194
9.2.3.
PERFORMING A BASIC MANUAL CALIBRATION
The following section describes the basic method for manually calibrating the
T300/T300M.
If the analyzer’s reporting range is set for the
AUTO
range mode, a step will appear for
selecting which range is to be calibrated (
LOW
or
HIGH
). Each of these two ranges
MUST
be calibrated separately.
I
MPORTANT
I
MPACT ON
R
EADINGS OR
D
ATA
If the ZERO or SPAN buttons are not displayed during zero or span
calibration, the measured concentration value during this time is out of
the range allowed for a reliable calibration. Refer to Section 10 for
troubleshooting tips.
9.2.3.1.
SETTING THE EXPECTED SPAN GAS CONCENTRATION
Note
When setting expected concentration values, consider impurities in your
span gas.
The expected CO span gas concentration should be 80% of the reporting range of the
instrument (see Section 5.4.1).
The default factory setting is 40 ppm. To set the span gas concentration, press:
06864D DCN7562
Summary of Contents for T300
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