KR20050032550A - Measurement equipment for complex odor dilution ratio - Google Patents

Measurement equipment for complex odor dilution ratio Download PDF

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KR20050032550A
KR20050032550A KR1020050020941A KR20050020941A KR20050032550A KR 20050032550 A KR20050032550 A KR 20050032550A KR 1020050020941 A KR1020050020941 A KR 1020050020941A KR 20050020941 A KR20050020941 A KR 20050020941A KR 20050032550 A KR20050032550 A KR 20050032550A
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odor
complex
dilution
dilution ratio
result
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정의석
김선규
임봉빈
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주식회사 엔버스
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
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    • G01N27/4162—Systems investigating the composition of gases, by the influence exerted on ionic conductivity in a liquid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2273—Atmospheric sampling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G01N33/0014—Sample conditioning by eliminating a gas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/551—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being inorganic
    • G01N33/552—Glass or silica

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Abstract

An apparatus for measuring a complex odor dilution ratio is provided to easily estimate an environmental odor by using measurement equipment having a sensor. An apparatus for measuring a complex odor dilution ratio includes a front body section(10), an odor sample intake section(20), a display screen(30), an ON/OFF functional key(40), an odor sorting key(50), a sensor stabilization functional key(60), a measurement result storing key(70), a rear body section(80), an odor sample intake pipe(90), a complex odor sensor(100), a small pump(110), an air exhaust port(120), a power source(130), a gas trap, a silica gel charging section, and an activated carbon charging section. The ON/OFF functional key(40) is installed on the front body section(10).

Description

복합악취 희석배율 측정장비{Measurement equipment for complex odor dilution ratio}{Measurement equipment for complex odor dilution ratio}

본 발명은 국내 악취방지법에 제시되어 있는 공정시험방법 중 악취평가를 위한 주 시험방법인 공기희석관능법에 의한 복합악취 평가 결과인 즉, 희석배율을 센서를 통하여 수치화 하는 측정장비에 관한 것이다. 기존 방법인 악취방지법에서 정하고 있는 공기희석관능법의 절차를 간략하게 소개하면, 악취가 발생되는 지점에서 악취 시료를 채취한 후에 실험실로 옮겨 5인의 사람이 10배, 30배, 100배 등으로 희석하면서 코로 냄새를 맡지 못하는 희석배수까지 평가한 후, 각각의 결과 중에서 최고 및 최소값을 제한 후 기하평균으로 악취방지법에서 규정하고 있는 복합악취 희석배율을 계산한다. 하지만, 이러한 방법은 인력, 비용, 시간측면에서 매우 복잡하고, 어려운 작업이며 악취가 발생되고 있는 수많은 각 사업장에서 동일한 방법을 적용하여 악취가 발생되는 상황을 평가하는데 한계가 있다. 또한, 기존 센서가 장착된 측정장비는 단지 악취가 발생되는 각 지점에서 센서를 통한 전기적인 수치 값의 정도만을 전달할 뿐 복잡하고, 다양한 물질로 구성된 복합악취를 사람이 후각으로 판단하는 정도의 값을 전달하지 못하는 한계가 있다. 이에 본 발명에서는 센서가 장착된 측정장비가 공정시험방법에서 평가한 결과인 복합악취 희석배율 값과 동일한 측정값을 전달 할 수 있는 측정장비를 발명하였다. 특히, 악취는 다양한 물질이 복합적으로 포함되어 있으며, 사람의 후각을 자극하여 발생하는 감각오염물질로 구분하고 있다. 이전에는 대기환경기준법에서 관리하던 악취를 2005년 2월부터는 악취방지법을 제정하여 시행하고 있을 정도로 그 관리의 어려움 및 중요성이 있다고 할 수 있으며, 본 발명의 효용성 및 산업성이 우수한 기술이라 할 수 있다. The present invention relates to a measuring device for quantifying the dilution ratio through the sensor, that is, the result of the complex odor evaluation by the air dilution sensory method, which is the main test method for odor evaluation among the process test methods proposed in the domestic odor prevention method. Briefly introducing the air dilution sensory procedure prescribed in the existing odor prevention method, after taking odor samples at the point where odors occur, five people are diluted 10 times, 30 times, 100 times, etc. Evaluate the dilution factor that cannot smell with nose, and calculate the compound malodor dilution rate prescribed in the Odor Prevention Act by limiting the highest and lowest values of each result. However, this method is very complicated and difficult in terms of manpower, cost, and time, and there are limitations in evaluating the situation where odor is generated by applying the same method in each of the many sites where odor is generated. In addition, the measurement equipment equipped with the existing sensor only transmits the electric numerical value through the sensor at each point where the odor is generated, and it is complicated and the value that the human smell judges the complex odor composed of various materials. There is a limit that cannot be delivered. Therefore, the present invention invented a measuring device that can deliver the same measurement value as the complex odor dilution ratio value is the result of the measurement equipment equipped with the sensor in the process test method. In particular, odor is contained in a complex of various substances, it is classified as a sensory pollutant generated by stimulating the human sense of smell. Previously, the odors that were managed by the Air Quality Standards Act were enacted and enforced since February 2005, and they can be said to be difficult and important in managing them. .

본 발명에서는 상기 종래 기술의 문제점을 해소하고, 비효율적인 방법을 간소화, 편리화 하기 위하여 도출된 것으로, 센서에서 전달되는 수치를 공정시험방법에서 평가한 복합악취 희석배율 결과와 동일한 값을 센서가 장착된 측정장비를 통하여 수치(복합악취 희석배율 = ou/)로 확인할 수 있는 것이다. 악취가 발생되는 업종은 화학약품 등 제품을 제조하거나 하, 폐수를 처리하는 시설, 지정폐기물을 소각하는 시설, 쓰레기를 매립하는 시설, 도장 시설, 폐인트 제조시설 등 매우 다양한 업종에서 악취가 배출되며, 각 주요 악취배출시설에서 발생되는 악취의 성분 및 냄새특성이 매우 상이하고 복잡하다. 국내 산업분류코드에서는 국내 산업을 매우 다양한 업종으로 구분하고 있으며, 그 다양한 업종에서 배출되고 있는 악취 특성 또한 서로 다른 차이점을 가지고 있다. 이러한 차이점을 측정장비에 적용할 수 있는 기술이 매우 어렵고 중요하며, 본 발명의 측정장비에서는 이러한 기술을 적용하여 다양한 업종에서 배출되는 악취를 업종별로 구분된 코드에 맞춰 감각적인 악취를 평가할 수 있도록 구성하였다. 본 발명은 각 주요 악취배출시설로부터 배출되는 악취의 성분 및 냄새 특성에 따라 그 결과 값을 명확하게 구분하여 환경악취를 손쉽게 평가하고, 그 결과 값을 각 악취배출사업장에서 편리하게 활용 및 응용할 수 있는 측정장비를 제공하는데 목적이 있다. In the present invention is to solve the problems of the prior art, to simplify and simplify the inefficient method, the sensor is equipped with the same value as the result of the complex odor dilution ratio evaluated in the process test method the numerical value delivered from the sensor Through the measuring equipment can be confirmed by the numerical value (compound odor dilution ratio = ou /). Odor-producing industries emit odors from a wide variety of industries, including manufacturing chemicals such as chemicals, wastewater treatment facilities, designated waste incineration facilities, landfill facilities, painting facilities, and waste stet manufacturing facilities. However, the odor component and odor characteristics of each major odor emission facility are very different and complicated. The Korean industrial classification code classifies the domestic industry into a wide variety of industries, and the odor characteristics emitted by the various industries also have different differences. It is very difficult and important technology that can apply these differences to the measuring equipment, and in the measuring equipment of the present invention is configured to evaluate the sensory odor according to the codes classified by the industry by applying these techniques to the odor emitted from various industries It was. The present invention can easily evaluate the environmental odor by clearly classifying the result value according to the odor component and odor characteristics of each major odor discharge facility, and the resulting value can be conveniently utilized and applied in each odor emission workplace The purpose is to provide measuring equipment.

상기 목적을 달성하기 위한 본 발명의 복합악취 희석배율 측정장비는, 악취가 매우 다양하고 복잡한 성분으로 이루어져 있고, 배출되는 업종마다 악취 특성이 다르다는 발견을 기본으로 하여 악취를 악취방지법에서 정하고 있는 공기희석관능방법과 동일하게 평가할 수 있는 측정장비를 완성하게 된 것이다. Diluting odor dilution ratio measuring equipment of the present invention for achieving the above object, air odor is determined by the odor prevention method based on the finding that the odor is composed of a very diverse and complex components, the odor characteristics are different for each type of industry discharged The measurement equipment that can be evaluated in the same way as the sensory method was completed.

구체적으로, 본 발명의 기본 구성은 도 1에 도시된 바와 같이, 측정장비 본체 전면부(10), 악취공기 시료 유입부(20), 디스플레이 화면(30), On/Off 기능 키(40), 악취발생 업종 구분 키(50), 센서 안정화 기능 키(60), 측정결과 저장 키(70), 측정장비 본체 후면부(80), 악취공기 시료 유입관(90), 복합악취센서(100), 소형펌프(110), 공기 배출구(120), 전원(130), 소형 악취제로가스 트랩(140), 실리카겔 충전부(150), 활성탄 충전부(160)로 구성된다. Specifically, the basic configuration of the present invention, as shown in Figure 1, the main body 10, the odor air sample inlet 20, the display screen 30, the On / Off function key 40, Odor generation industry classification key (50), sensor stabilization function key (60), measurement result storage key (70), measuring equipment main body rear portion (80), odor air sample inlet pipe (90), odor sensor (100), small The pump 110, the air outlet 120, the power supply 130, the small odor zero gas trap 140, the silica gel charging unit 150, activated carbon charging unit 160.

상기 발명의 구체적인 구성은 본체 전면부(10)에 위치한 전원스위치(40)를 On/Off 함에 따라 전원(130)이 유입되어 작동하도록 되어 있으며, 전원스위치(100)를 On시키면, 외부공기 공급용 소형 펌프(110)가 악취공기 시료 유입부(20)를 통해서 스테인레스 또는 유리관으로 제작된 악취공기 시료 유입관(90)을 통하여 복합악취센서(110)가 장착된 부분을 통과하므로 인하여 악취의 강함과 약함의 정도에 따라 전기적인 신호를 보내주게 되며, 이 신호를 본 발명의 측정장비에서 복합악취 희석배율(=ou/)로 변환시켜 디스플레이(30)에 그 값을 나타내게 된다. In the specific configuration of the present invention, the power supply 130 is introduced and operated by turning on / off the power switch 40 located at the front portion 10 of the main body. When the power switch 100 is turned on, external air is supplied. Since the small pump 110 passes through the malodorous air sample inlet 20 through the malodorous air sample inlet tube 90 made of stainless steel or glass tube, the complex malodor sensor 110 is mounted, and thus the odor strength and The electrical signal is sent according to the degree of weakness, and the signal is converted into the complex odor dilution ratio (= ou /) in the measuring device of the present invention and displayed on the display 30.

공기희석관능법에 의한 희석배율 값을 본 발명의 복합악취 희석배율 측정장비 결과 값으로 변환시킬 수 있음을 발견한 한 예를 도 2.에 도시하였다. 도 2의 위(上)의 그림에 의하면 공기희석관능방법에 의한 희석배율 결과 값과 본 발명의 측정장비에 구성된 복합악취센서 값 사이에 비례적인 직선관계(상관계수가 0.9802)를 나타내고 있으며, 도 2의 아래(下) 그림에 의하면 업종을 A, B, C, D, E로 구분하여 동일하게 평가한 결과 공기희석관능방법에 의한 희석배율 결과 값과 본 발명의 측정장비에 구성된 복합악취센서 값 사이에 악취를 배출하는 업종별로 다르게 비례적인 직선관계를 나타내고 있음을 확인할 수 있다. 상기 내용은 본 발명의 측정장비가 복합적인 악취를 평가하여 악취방지법에서 정하고 있는 공기희석관능법에 의한 결과와 동일하게 평가할 수 있음을 나타낸다.An example of finding that the dilution magnification value by the air dilution sensory method can be converted into the result of the complex malodor dilution magnification measuring apparatus of the present invention is shown in FIG. According to the upper figure of FIG. 2, a linear relationship (a correlation coefficient of 0.9802) is shown between a dilution ratio resultant value by the air dilution sensory method and a complex odor sensor value configured in the measuring device of the present invention. According to the lower figure of 2, dividing magnification by the air dilution method and the result of the compound odor sensor of the present invention are evaluated according to the same classification of A, B, C, D and E. It can be seen that there is a proportional linear relationship differently between industries emitting odors. The above description indicates that the measuring equipment of the present invention can evaluate complex odors and evaluate them in the same manner as the results of the air dilution sensory method specified in the odor prevention method.

특히, 본 발명의 기본이 된 악취가 가지는 특성의 한 예로 악취는 배출업종에 따라 그 성분에 차이가 나타나고 있음을 표 1.에 정리하였다. 매립시설, 제지업종, 그리고 폐수처리시설의 주요 악취배출 성분의 종류는 대부분 황화합물류 이었으나, 타이어제조시설의 경우에는 알데히드류가 가장 높고, 지정폐기물소각시설의 경우에는 알코올류가 가장 높으며, 다음으로 방향족탄화수소류가 높아 다양한 악취배출업종에 따라 그 성분에 차이가 있음을 알 수 있다. 이러한 악취특성을 고려한 기술을 본 발명의 복합악취 희석배율 측정장비에 적용하였다.In particular, as an example of the characteristics of the odor that is the basis of the present invention summarized in Table 1. that the odor is different in its components according to the discharge industry. The major odor emission components of landfill facilities, paper industry, and wastewater treatment facilities were mostly sulfur compounds, but aldehydes were highest in tire manufacturing facilities, and alcohols were highest in designated waste incineration facilities. High aromatic hydrocarbons can be seen that there is a difference in the components according to various odor emission industries. The technology considering the odor characteristics was applied to the complex odor dilution ratio measuring apparatus of the present invention.

표 1. 업종별 악취배출 성분 차이Table 1. Differences in Odor Emission Components by Industry

본 발명의 측정장비 시료 유입부(20)를 통하여 악취공기를 유입하기 전에 대상 악취가 발생되는 업종을 업종구분(50)키로 설정한 후 가동하며, 디스플레이(30) 화면에는 측정년월일, 측정대상업종, 복합악취 희석배율 측정결과 수치 및 악취방지법 기준 만족 여부를 표시하게 된다. 상기와 같이 본 발명의 측정장비를 통하여 측정이 완료된 측정결과는 자료저장(70) 키에 의하여 저장되게 되며, 측정 후 공기는 배출구(120)을 통하여 배출하게 된다. Before entering the odor air through the measuring equipment sample inlet 20 of the present invention is set to operate the industry that the target odor is generated by the industry type (50) key, the display 30, the measurement date, the measurement target industry In addition, the result of measuring the mixed odor dilution ratio and the odor prevention standard will be displayed. As described above, the measurement result of which the measurement is completed by the measuring device of the present invention is stored by the data storage 70 key, and after the measurement, the air is discharged through the outlet 120.

본 발명의 측정장비를 사용하기 전과 자주 사용하게 된 후에는 복합악취센서(100)의 안정화가 필요하며, 이때를 위하여 도 3에 도시한 바와 같이 소형 악취제로가스 트랩(140)을 시료유입부(20)에 장착한 후, 상기와 같이 동일한 작동방법으로 외부공기를 유입하여 복합악취센서(100)의 전기적인 신호를 변환하여 희석배율 결과 값이 1.0ou/로 안정화되는지 확인한다. 이때 안정화 시킨 결과 값이 1.0ou/ 이상의 값으로 확인되면 실리카겔(150)과 활성탄(160)을 교체하여 재 안정화 시킨 후 측정장비를 사용한다. Before using the measuring equipment of the present invention and frequently used, the stabilization of the complex odor sensor 100 is required, and for this purpose, a small odor gas trap 140 as shown in FIG. 20) and then, by introducing external air in the same operation method as described above to convert the electrical signal of the complex odor sensor 100 to check whether the dilution ratio result value is stabilized to 1.0ou /. At this time, if the stabilization result is determined to be 1.0ou / or higher, the silica gel 150 and the activated carbon 160 are replaced and re-stabilized before using the measuring equipment.

이상에서 설명한 바와 같이 본 발명에 따른 복합악취 희석배율 측정장비는 기존의 일부 전문기관에서 밖에 수행할 수 없는 공기희석관능법에 의한 악취 평가 방법을 대체하여, 전국에 산재하고 있는 산업단지 내 대부분 악취 관리 사업장에서는 환경악취를 손쉽게 평가하고 관리할 수 있는 우수한 측정장비로 평가받을 수 있다. As described above, the complex odor dilution ratio measuring device according to the present invention replaces the odor evaluation method by air dilution function method that can only be performed by some existing specialized institutions, and most odors in industrial complexes scattered throughout the country In the management workplace, it can be evaluated as an excellent measuring equipment that can easily evaluate and manage environmental odors.

또한, 본 발명에서는 상기 종래 기술의 비용적인 측면과 시간적인 측면, 비효율적인 측면, 그리고 전문지식 한계 측면 등의 문제점을 극복하는 효과가 있으며, 악취를 평가하고자 하는 곳에서 본 발명품인 측정장비를 이용하여 측정하면 곧 바로 공정시험방법에 의한 복합악취 평가 결과인 희석배율 결과를 실시간으로 확인할 수 있고, 이러한 결과를 무선통신이나 유선통신 등으로 전송하여 다양한 환경악취 관리에 응용할 수 있다. 이러한 기술 발명은 일반 사업장에서 저렴한 비용으로 비전문가도 환경악취를 평가하고, 관리할 수 있는데 많은 도움을 줄 수 있고, 수많은 다양한 환경악취 관리에 응용될 수 있을 것으로 광범위한 산업적 활용효과가 있다. In addition, the present invention has the effect of overcoming the problems of cost, time, inefficient aspects, and technical limitations of the prior art, the use of the measuring device of the present invention in the place to evaluate the odor As soon as it is measured, the result of dilution magnification, which is the result of complex odor evaluation by the process test method, can be confirmed in real time, and these results can be transmitted to wireless communication or wired communication, and applied to various environmental odor management. These technical inventions can help a lot of non-experts to evaluate and manage environmental odors at low cost in general workplaces, and can be applied to numerous various environmental odor management.

도 1은 본 발명의 복합악취 희석배율 측정장비의 구체 예를 도시한 총 장비 구성도      Figure 1 is a total equipment configuration showing a specific example of the complex malodor dilution magnification measuring equipment of the present invention

도 2는 본 발명의 복합악취 희석배율 측정방법에 따라 측정된 수치결과와 공정시험방법에 의하여 산정된 희석배율 결과 사이의 비례적 관계를 도시한 그래프       Figure 2 is a graph showing the proportional relationship between the numerical results measured according to the method of measuring the odor dilution complex of the present invention and the dilution magnification results calculated by the process test method

도 3은 본 발명의 복합악취 희석배율 측정장비의 안정화를 위한 소형 악취제로가스 트랩을 도시한 단면도     Figure 3 is a cross-sectional view showing a small malodorous gas trap for stabilization of the complex malodor dilution rate measuring equipment of the present invention

[도면의 주요 부분에 대한 부호의 설명] [Description of Symbols for Main Parts of Drawing]

10 : 측정장비 본체 전면부 20 : 악취공기 시료 유입부      10: front of the main body of the measuring equipment 20: odor air sample inlet

30 : 디스플레이 화면 40 : On/Off 기능 키       30: Display screen 40: On / Off function key

50 : 악취발생 업종 구분 키 60 : 센서안정화 기능 키       50: Odor generation industry classification key 60: Sensor stabilization function key

70 : 측정결과 저장 키 80 : 측정장비 본체 후면부      70: Measurement result storage key 80: Measurement unit main body rear part

90 : 악취공기 시료 유입관 100 : 복합악취센서      90: odor air sample inlet tube 100: complex odor sensor

110 : 소형펌프 120 : 공기 배출구     110: small pump 120: air outlet

130 : 전원 140 : 소형 악취제로가스 트랩     130: power supply 140: small odor zero gas trap

150 : 실리카겔 충전부 160 : 활성탄 충전부     150: silica gel charging unit 160: activated carbon charging unit

Claims (4)

악취방지법에서 규정하고 있는 공기희석관능법에 의한 복합악취 희석배율 결과와 동일한 측정값을 실시간으로 센서수치로 나타내는 방법에 있어서, 표준산업분류 코드에 의한 업종별 악취특성을 고려하여 복합악취 희석배율로 자동 계산 변환시키는 방법In the method that displays the measured value same as the result of compound odor dilution ratio by air dilution function method in real time as sensor value in the odor prevention method, it is automatically adjusted to the compound odor dilution ratio in consideration of the odor characteristics of each industry by the standard industrial classification code. How to Convert Calculations 제 1항에 있어서, 공기희석관능법에 의한 복합악취 희석배율과 동일한 측정 결과 값을 업종별로 구분 자동 계산하여 변환시킨 후, 측정대상 업종과 희석배율 결과 수치 값, 그리고 악취방지법 기준 초과 여부를 측정장비 디스플레이 화면에 표시하는 방법       The method according to claim 1, wherein the same measurement result value as the compound odor dilution ratio by air dilution sensory method is automatically calculated and converted for each business type, and then the measured business type and the dilution ratio result numerical value and the odor prevention method standard are measured. How to display on the instrument display screen 제 1항에 있어서, 복합악취 희석배율 측정장비 내에 포함된 복합악취센서의 안정화를 수시로 점검하기 위한 소형 악취제로가스 트랩 및 이를 이용하여 측정장비를 안정화 시키는 방법       According to claim 1, Small malodorous gas trap for checking the stabilization of the complex malodor sensor included in the complex malodor dilution rate measuring equipment from time to time and a method for stabilizing the measuring equipment using the same 제 1항에 있어서, 복합악취 희석배율 측정장비 결과 값을 실시간으로 저장장치에 저장한 후, 이러한 결과 값을 무선 및 유선 통신을 이용하여 각 악취배출 사업장의 실시간 악취발생량을 산정하는 방법       The method according to claim 1, wherein after storing the result of the complex odor dilution rate measuring device in a storage device in real time, the result of calculating the real-time odor generation amount of each odor emission workplace using wireless and wired communication.
KR1020050020941A 2005-03-14 2005-03-14 Measurement equipment for complex odor dilution ratio KR20050032550A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100716339B1 (en) * 2005-10-28 2007-05-11 현대자동차주식회사 Apparatus for oder of organic function test of vehicle's interior decoration
KR20200129746A (en) 2019-05-10 2020-11-18 주식회사 엠제이인터내셔널 Air-diluting type odor measuring device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100716339B1 (en) * 2005-10-28 2007-05-11 현대자동차주식회사 Apparatus for oder of organic function test of vehicle's interior decoration
KR20200129746A (en) 2019-05-10 2020-11-18 주식회사 엠제이인터내셔널 Air-diluting type odor measuring device and method

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