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Transmitting method of ozone with normal concentration

A standard concentration and ozone technology, applied in the measurement of color/spectral characteristics, etc., can solve the problems of unfavorable mass production of dynamic calibrators, and achieve the effect of small error and convenient transmission and operation.

Inactive Publication Date: 2017-03-15
深圳市赛宝伦科技有限公司
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Problems solved by technology

This is very unfavorable for the mass production of dynamic calibrator. Since there are three key factors for generating ozone concentration, the conditions for each dynamic calibrator to produce the same concentration may be inconsistent, so it is necessary to find a method that is easy to operate and has a small transfer error. Methods

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  • Transmitting method of ozone with normal concentration

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Embodiment Construction

[0028] figure 1 The flow chart of the transfer method of the standard concentration ozone provided by the present invention is shown, and it is described in detail as follows:

[0029] This transfer method requires the use of an ozone calibrator, an ozone analyzer, a dynamic calibrator,

[0030] Step S1, confirm that the ozone calibrator has been calibrated with the SRP national ozone standard calibrator and is within the calibration validity period.

[0031] Step S2, the ozone calibrator transmits the standard concentration of ozone to the ozone analyzer;

[0032] Step S3, using the delivered ozone analyzer to perform back-calibration of the dynamic calibrator.

[0033] Step S4, re-check after recalibration, the re-check usually starts on the second day after calibration, and usually needs 2 re-checks. The dynamic calibrator is ventilated to the ozone analyzer, and it is continuously observed at an ozone concentration for 1 to 2 hours. If the concentration fluctuation is w...

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Abstract

The invention provides a transmitting method of ozone with a normal concentration. According to the transmitting method, an ozone calibration instrument, an ozone analysis meter and a dynamic calibration instrument are used, wherein the ozone calibration instrument, the ozone analysis meter and the dynamic calibration instrument are calibrated by a SRP state ozone normal calibration instrument. The method comprises the steps of 1, confirming that the ozone calibration instrument has been calibrated by the SRP state ozone normal calibration instrument and is in force; 2, transmitting ozone with the normal concentration to the ozone analysis meter through the ozone normal calibration instrument; 3, using the transmitted ozone analysis meter to carry out a reverse calibration on the dynamic calibration instrument; 4, conducting reexamination after the reverse calibration, wherein the reexamination is usually conducted on the second day after the calibration and the reexamination usually needs to be conducted twice, introducing ozone to the ozone analysis meter through the dynamic calibration instrument, and continuously observing for 1-2 hours under the same ozone concentration, wherein a product of which concentration fluctuation is within an allowable range is the good product; 5, comparing the ozone concentrations of the ozone calibration instrument and the dynamic calibration instrument when the ozone calibration instrument and the dynamic calibration instrument are connected to the ozone analysis meter respectively under the same concentration, wherein if a concentration discrepancy is within 0.5% of a transmitting value, transmitting is proved to be ok. According to the transmitting method of ozone with the normal concentration, the transmitting is convenient and the error is small.

Description

technical field [0001] The invention belongs to the field of gas transmission technology improvement, in particular to a transmission method of standard concentration ozone. Background technique [0002] Ozone in the troposphere is often referred to as "hazardous ozone," and it is a major component of photochemical smog. Human activities emit a large amount of NOX and VOCs into the atmosphere, and these pollutants will produce high concentrations of ozone under suitable conditions. At present, many countries monitor the ozone concentration as an important indicator of photochemical smog pollution. The ozone analyzer in the air quality online monitoring system is one of the online analysis instruments. [0003] The ozone analyzer is a relative analysis measuring instrument, which must be calibrated with a standard concentration of gas before use, such as 400ppb ozone gas, but due to the poor stability of ozone, it can be decomposed into oxygen at normal temperature and pres...

Claims

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Application Information

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IPC IPC(8): G01N21/33
CPCG01N21/33
Inventor 李明林晓翠
Owner 深圳市赛宝伦科技有限公司
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