Calibration Gas And Zero Air Sources; Table 7-11: Activitym - Teledyne 200A Instruction Manual

Nitrogen oxides analyzer
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Teledyne API Model 200A NO
Table 7-11: Activity Matrix for Calibration Procedure
Equipment/
Supplies
Calibration
gases
Dilution gas
Multi-point
calibration
(GPT)

7.8.2 Calibration Gas and Zero Air Sources

7.8.2.1 Production Of Zero Air
Devices that condition ambient air by drying and removal of pollutants are available on the
commercial market such as the Teledyne API Model 701 Zero Air Generator. We recommend
this type of device for generating zero air. Detailed procedures for generating zero air are in
2
TAD
.
Analyzer Instruction Manual, 02246, Rev. F1
X
Acceptance Limits
Sec. 2.0.7, Subsec. 7.1
(Q.A. Handbook)
Zero air, free of
2
contaminants; TAD
and
Sec. 2.0.7, Subsec. 7.1
(Q.A. Handbook)
1. t
< 2 minutes P
>
R
R
2.75 ppm/min
2. Use calibration
procedure in Subsec.
2.4 (Q.A Handbook);
2
also TAD
and Federal
Register
3. Converter efficiency >
96%
Frequency And Method
Of Measurement
Assayed against an
NIST-SRM quarterly,
Sec. 2.0.7 (Q.A.
Handbook)
2
See TAD
Method
1. Subsec. 8.4.2
(this manual)
2. Subsec. 8.5 (this
2
manual), TAD
,
Federal Register and
Figure 8-1; see
Subsec. 8.2 for
frequency
3. Subsec. 8.6 (this
manual) and Figure 8-
4 and Figure 8-5
7-14
Action If Requirements
Are Not Met
Working gas standard is
unstable, and/or
measurement method is
out of control; take
corrective action such as
obtaining new calibration
gas.
Return to supplier or take
appropriate action with
generation system
1. Adjust flow conditions
and/or reaction chamber
volume to meet
suggested limits
2. Repeat the calibration
3. Replace or service the
converter

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