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Calibration method and calibration system for dust tester

A calibration method and tester technology, applied in the field of measurement, can solve problems such as the difficulty in traceability of dust tester values, and achieve the effects of ensuring accuracy and traceability, ensuring traceability, and ensuring accuracy

Active Publication Date: 2014-04-30
CHINA ACAD OF BUILDING RES
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Problems solved by technology

Since the prior art does not clearly stipulate how to verify and calibrate the dust tester, it is difficult for the dust tester to achieve accurate value traceability. Therefore, in order to strengthen the accuracy and traceability of the dust tester, it is necessary Provide a dust tester calibration system to calibrate and calibrate the dust tester

Method used

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  • Calibration method and calibration system for dust tester
  • Calibration method and calibration system for dust tester
  • Calibration method and calibration system for dust tester

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Embodiment Construction

[0016] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0017] figure 1 The structural schematic diagram of the embodiment of the dust tester calibration system provided by the present invention, such as figure 1 As shown, the system of this embodiment includes: a dust mixing device 100 and a sampling and calibration device 200, wherein the dust mixing device 100 is used to obtain a mixed gas with uniform particle distribution; the sampling and calibration device 200 is used to test the mixed gas The first particle concentration obtained by sampling and calculation, and the second particle concentration displayed by the detection of the mixed gas by the first particle concentration and the dust tester to be calibrated to obtain the relative particle concentration of the dust tester to be calibrated error.

[0018] In this embodiment, the dust mixing device 100 can generate a mixed gas with unifor...

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Abstract

The invention discloses a calibration method and a calibration system for a dust tester. The calibration system for the dust tester comprises a dust mixing device for obtaining mixed gas with uniform particle distribution, and a sampling calibration device for sampling the mixed gas to obtain first particle concentration and performing calculation processing according to the first particle concentration and second particle concentration which is obtained by detecting the mixed gas through the dust tester to be calibrated and is displayed by the dust tester to be calibrated to obtain a relative error of the dust tester to be calibrated. According to the calibration method and the calibration system for the dust tester, the accuracy and the traceability of the calibrated dust tester can be guaranteed.

Description

technical field [0001] The invention relates to measurement technology, in particular to a method and system for calibrating a dust tester. Background technique [0002] The dust tester is used to detect the concentration of particulate matter in the air environment. The accuracy and traceability of the dust tester have an important impact on the evaluation level of the air environment quality. The traceability can ensure that the measurement accuracy can be traced to the recognized measurement reference The source, that is, for the dust tester, means that the test data of the dust tester can be traced back to the most basic weighing method. Since the existing technology does not clearly stipulate how to verify and calibrate the dust tester, it is difficult for the dust tester to achieve accurate value traceability. Therefore, in order to strengthen the accuracy and traceability of the dust tester, it is necessary A dust tester calibration system is provided to calibrate an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/06
Inventor 王智超杨英霞徐昭炜邓高峰李剑东王志勇侯银燕
Owner CHINA ACAD OF BUILDING RES
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