***气体检测管NO.137LL 检测范围0.3-4.5ppm
***气体检测管NO.137LL检测范围0.3-4.5ppm***气体检测管NO.137LL检测范围0.3-4.5ppmPerformanceMeasuringRange0.3to4.5ppmNumberofPumpStrokes4CorrectionFactor1SamplingTime2minutesperpumpstrokeDetectingLimit0.2ppm(n=4)ColourChangeWhite→PalepurpleReactionPrincipleCHCl3+I2O5+H2S2O7→Cl2Cl2+3.3'-DIMETHYLNAPHTHIDINEⅹreactionproductCoefficientofVariation10%(for0.3to1.5ppm),5%(for1.5to4.5ppm)ShelfLife1YearCorrecti***fortemperature&humidityTemperaturecorrectionisnecessaryStorethetubesintherefrigeratortokeepat10ºC(50ºF)orbelow.Possiblecoexistingsubstancesandtheirinterferences(NOTE)SubstanceConcentrationInterferenceChangecolourbyitselftoChlorine℃6ppm+PalepurpleBromine″4.5ppmNoNoIodine″4.5ppmNoNo1,1,1-trichloroethane+Palepurpletrichloroethylene+PalepurpleCalibrationgasgenerationDiffusiontubemethodTLV-TWATLV-STELExplosiverange10ppm--仕様目盛範囲:0.3~4.5ppm〔基準n=4〕測定範囲:0.3~4.5ppm〔基準n=4〕吸引回数〔n〕:4〔基準〕1回(100ml)の吸引時間:2分検知限度:0.2ppm〔n=4〕変色:白色→淡紫色温?湿度補正:温度有効期限:1年(冷蔵庫保存)指示精度:CV=5~10%(CV:変動係数=σ:標準偏差÷平均値×100)干渉ガスガス名共存の場合の濃度と結果単独の場合塩素2倍以上+誤差淡紫色に変色1,1,1-トリクロロエタン+誤差淡紫色に変色トリクロロエチレン+誤差淡紫色に変色校正用ガスガス拡散管法許容濃度管理濃度TWASTEL爆発範囲3ppm3ppm10ppm----快速气体检测管|恒流气体采样泵GSP-400FT|气体检知管|气体采样泵GV-100S|气体采样袋||恶臭气体检测箱|发烟管套装|******气体快速检测箱)