Teledyne API T803 CO2/O2 Analyzer Operation Manual Calibration Procedures
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Cylinders of both calibrated O2 and CO2 gas traceable to NIST-Standard

Reference Material specifications (also referred to as SRMs or EPA protocol

calibration gases) are commercially available.

Table 9-1: NIST SRM's Available for Traceability of O2 Calibration Gases
NIST-SRM Type Nominal Concentration
2657a O2 in N2 2%
2658a O2 in N2 10 %
2659a O2 in N2 21%
2619a CO2 in N2 0.5%
2620a CO2 in N2 1%
2622a CO2 in N2 2%
2624a CO2 in N2 3%
2744b CO2 in N2 7%
27451 CO2 in N2 16%
Note For span point calibration it is generally a good idea to use 80% of the reporting
range for that channel. For instance, if the reporting range of the instrument is
set for 5%, the proper span gas would be 4%.

9.1.3. DATA RECORDING DEVICES

A strip chart recorder, data acquisition system or digital data acquisition system

should be used to record data from the serial or analog outputs of the T803.

If analog readings are used, the response of the recording system should be
checked against a NIST traceable voltage source or meter.
Data recording devices should be capable of bi-polar operation so that
negative readings can be recorded.
For electronic data recording, the T803 provides an internal data acquisition
system (DAS), which is described in detail in Section 7.1

APICOM, a remote control program, is also provided as a convenient and

powerful tool for data handling, download, storage, quick check and plotting (see

Section 8.1.1).

07276B DCN6418