***CH3COC2H5检测管152D***CH3COC2H5检测管152D，GASTEC***CH3COC2H5检测管152D检测范围2-600ppm，检测管检测时间在1-10小时左右。***CH3COC2H5检测管152D采用自然扩散的方式。***CH3COC2H5检测管152D其特点：简洁，轻巧，方便多用、直接读数、不需取样设备。被动扩散式检测管是用来测定较长时间下气体浓度的时量平均值（TWA），采用自然扩散的方式。这种检测管里面填充有吸附剂及反应剂，气体以一定的速率被均匀吸附，从而出现较为明显均匀的变色检测工作场所人员的***气体暴露量时，用右图的检测管夹（710）放置在人员衣领处即可。检测***气体在工作场所的分布时，把该检测管固定放置一段时间后就可检测出来。也可用来进行更长时间的检测MethylethylketoneNO.152DCH3COC2H5PerformanceMeasuringRange2to600ppmSamplingHours1to10hoursDetectingLimit2ppm(10hours)ColourChangeYellow→ReddishBrownReactionPrincipleCH3COCH3+(NH2OH)3H3PO4→H3PO4H3PO4+Base→PhosphateCoefficientofVariation10%(for20to600ppm-hr)ShelfLife2YearsCorrecti***fortemperature&humidityTemperaturecorrectionisnecessaryStorethetubesintherefrigeratortokeepat10ºC(50ºF)orbelow.PossiblecoexistingsubstancesandtheirinterferencesSubstanceConcentrationInterferenceChangecolourbyitselftoAldehydes+ReddishbrownKetones+ReddishbrownAcidgases+Reddishbrown(Uncleardemarcation)OthersubstancemeasurablewiththisdetectortubeSubstanceCorrectionFactorMeasuringRangeAcetone0.71.4to420ppmMethylisobutylketone2.04to1200ppmAcetaldehyde0.61.2to360ppmCalibrationgasgenerationDiffusiontubemethodTLV-TWATLV-STELExplosiverange200ppm300ppm1.7to11.4%GASTEC|GV-110S|GV-100S|手动气体***AP-20|北川式气体检测管|光明理化气体检测管|日本理化手动气体采样器|北川式气体***GASTEC日本气体快速检知管|便携式气味传感器|气味检测仪迷你型XP-329m|气味传感器XP-329ⅢR|恒流型自动气体采样器GSP-400FT|GASTEC气体采样器)