Teledyne GFC-7001T - Trace CO Analyzer - Manual (Page 205)

Calibration Procedures Teledyne API – Model T300/T300M CO Analyzer
Teledyne Analytical Instruments 205
9.3.3. MANUAL CALIBRATION USING VALVE OPTIONS
The following section describes the basic method for manually calibrating the
GFC7001T/GFC7001TM Analyzer.
If the analyzer’s reporting range is set for the DUAL or AUTO range modes, a step will
appear for selecting which range is to be calibrated (LOW or HIGH).
I MPORTANT I MPACT ON R EADINGS OR D ATA
Each of these two ranges MUST be calibrated separately.
9.3.3.1. 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: