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LK-4,3,,,,,(,300050):COSO2H2SNO24,LK-44,,,,,LK24:230mm80mm210mm;-2050;CO0625.0mgm23,0.1mgm23;SO2028.0mgm23,0.1mgm23;H2S040.0mgm23,0.1mgm23;NO2041.0mgm23,0.2mgm23LK24,:;;:R122.1:A:1001-5248(2006)04-0258-04COSO2H2SNO2,,,123,,,4529,COSO2H2SNO24,(LK24),11.1(1):,230mm80mm210mm4,,;:(1973-),,,3,COH2SSO2NO2(2):LK24,4,4A/D,,,,(3)LK24:4,11.2(1):COH2SSO2NO2(2):GXH-3011ACO,;H2SSO2NH3,INTERSCAN85220068244JPrevMedChinPLAAugust2006Vol.24No.41LK244COSO2H2SNOCITYCITYCITYCITY0625.0mgm23028.0mgm23040.0mgm23041.0mgm230.1mgm230.1mgm230.1mgm230.2mgm23-2050-2050-4050-205015%90%15%90%15%90%15%90%1%1%1%1%H2S/NOx/SOxH2S40s40s30s40s1.3,LK24,1.4Ft22.1LK24,4,LK24,2,LK-4(P0.05),2.2LK-4LK-4COH2SSO2NO2,10,CO:75.50.1mgm23;H2S:19.30.1mgm23;SO2:19.30.1mgm23;NO2:17.00.1mgm23,CO:99.86%;H2S:99.48%;SO2:99.48%;NO2:99.41%,2.3LK-464L,3,,(P0.05),2.464L,COSO2H2SNO2,LK24474,SO2H2SNO23CO,COCO2LK-4(mgm23,xs)CO0.10.1(0.0)14.10.9(12.5)27.41.3(25.0)69.40.8(59.1)113.011.3(100.0)H2S2.70.4(0.0)5.30.2(4.6)9.10.8(10.6)24.01.3(22.5)28.50.6(27.0)NO20.20.2(0.0)11.31.4(10.2)20.41.6(20.0)31.32.5(31.3)37.31.2(39.9)SO20.20.2(0.0)13.31.7(14.5)27.24.0(29.0)42.62.3(43.5)54.21.7(63.8):()3(mgm23,xs)()4.020.040.0(%)255090CO65.34.265.34.065.33.942.55.543.45.543.05.8SO221.42.821.12.821.142.232.65.132.65.132.34.8H2S19.13.218.53.318.43.519.51.519.71.719.41.7NO220.52.120.51.620.541.925.74.525.74.325.24.395220068244JPrevMedChinPLAAugust2006Vol.24No.4(P0.05)5,H2S1.7mgm23,SO2,2.40%;H2S2.7mgm23,SO2,16.87%NO20.5mgm23,SO2,1.18%;NO21.8mgm23,SO2,24.08%30.6mgm23COSO26,NO20.8mgm23,H2S,1.15%;4CO(xs)(mgm23)CO(mgm23)SO25.30.434.92.4H2S2.70.235.12.9NO26.70.535.02.4:CO(35.12.5)mgm235SO2(xs)(mgm23)SO2(mgm23)(%)CO30.60.823.71.10.00H2S1.70.023.11.42.402.40.022.61.44.812.70.019.71.116.87NO20.50.023.41.11.180.80.022.31.45.991.80.018.00.624.08:SO2(23.71.1)mgm236H2S(xs)(mgm23)H2S(mgm23)(%)CO29.32.513.11.10.00NO20.80.012.90.91.151.80.011.01.115.102.70.010.60.818.62SO21.50.011.31.112.803.00.010.91.116.254.60.010.30.920.92:H2S(13.11.1)mgm23NO22.7mgm23,H2S,18.62%;3SO2H2S29.3mgm23COSO27,H2S1.0mgm23,NO2;H2S2.3mgm23,NO2,9.28%SO20.5mgm23,NO2,3.04%;SO21.1mgm23,NO2,37.44%29.8mgm23CONO27NO2(xs)(mgm23)NO2(mgm23)(%)CO29.82.66.60.60.00H2S1.00.06.60.60.001.50.06.40.43.042.30.05.90.49.28SO20.50.06.40.63.040.80.05.50.415.681.10.04.10.637.44:NO2(6.60.6)mgm23,LK-4,,COSO2H2SNO2,SO2H2SNO2,:1,,,.J.,2003,19(4):198.2,.J.,2003,9(5):20.3,.J.,2003,23(6):829.4,,,.J.,1999,12(6):335.5,,,.J.,2006,22(3):274.6,,,.H2S06220068244JPrevMedChinPLAAugust2006Vol.24No.4J.,2005,31(6):429.7,.J.,2002,18(5):100.8,,,.J.,2005,23(4):269.9GJB376821999.S.:,1999.DEVELOPMENTOFLK-4DETECTORFORDETECTINGHARMFULGASESZHANGWei,XIZhu2ge,LIGuan2xian,ZHANGHua2shan,YANGDan2feng,LIUHuan2liang,CHAOFu2huan(InstituteofHygieneandEnvironmentalMedicine,AcademyofMilitaryMedicalSciences,Tianjin300050,China)Abstract:ObjectiveTodevelopanintegratedandmulti2fuctionaldetectorforharmfulgasesincludingCO,SO2,H2SandNO2intheair,soastoprovidetheuseforairsanitarymonitoring.MethodsThedetectedgaswascollectedbyfour2channelpump2typesamplingdeviceandthegasconcentrationwasdetectedbygassensor.Theelectricalsignalfromgassensorwascollectedandmagnified,thenconvertedintostandardsignal.Thesignalgotbycentralprocessingunitthroughanalog2digitalconversionunitcouldbeshowedonliquidcrystaldisplay,andcouldbestoredandprintedafterthesignalwasanalysedbytheprogram.ResultsThemaintechnicalspecificationsoftheLK24detectorwereasfollows,size:230mm80mm210mm;workingtemperature:-20+50,COdetectionrange:0625.0mgm23,thelowestdetectionlimit:0.1mgm23;SO2detectionrange:028.0mgm23,thelowestdetectionlimitwas0.1mgm23,H2Sde2tectionrange:040.0mgm23,thelowestdetectionlimitwas0.1mgm23;NO2detectionrange:041.0mgm23,thelowestdetectionlimit:0.2mgm23.ConclusionLK24detectorforharmfulgaseswasportable,integratedandhighlysta2ble.Thedetectedresultscouldbestoredandprinted,sothedetectorcoulddetectcommonharmfulgasesintheair.KEYWORDS:harmfulgas;detection;instrument(:2005-04-18;:2005-07-15),,,,,2006523,1,920,,,,,,2,6,,,(:2006-06-22)16220068244JPrevMedChinPLAAugust2006Vol.24No.4