一氧化碳CO氣體檢測儀106SA CARBON MONOXIDE 5-2000ppm
Tube No.106SA1. PERFORMANCE1） Measuring range ：20-1,000 ppm 5-50 ppmNumber of pump strokes 1（100ml） 4（400ml）2） Sampling time ：3 minutes/1 pump stroke3） Detectable limit ：2 ppm（400mr）4） Shelf life ：3 years5） Operating temperature ：0～40℃6） Temperature compensation ：Necessary（See "TEMPERATURE CORRECTION TABLE"）7） Reading ：Direct reading from the scale calibrated by 1 pump stroke8） Colour change ：Yellow→Dark brown2. RELATIVE STANDARD DEVIATIONRSD-low：10％ RSD-mid.：5％ RSD-high：5％3. CHEMICAL REACTIONPottasium disulphate palladate（II）is reduced, ａnd Palladium is liberated.CO＋K2Pd（SO3）2→K2（SO3）2PdCOK2（SO3）2PdCO→CO2＋SO2＋Pd＋K2SO34. CALIBRATION OF THE TUBESTANDARD GAS CYLINDER METHOD5. INTERFERENCE AND CROSS SENSITIVITY20GAS To pump501002003004005006007008009001000ppmco???????? ?? ??106SACARBON MONOXIDE（NOTE）When the concentration is below 50 ppm, 4 pump strokes can be used to detemine the lower concentration.Following formula is available for the actual concentration.Actual concentration＝1/4×Temperature corrected valueTEMPERATURE CORRECTION TABLEScale True Concentration （ppm）Readings 0℃ 10℃ 20℃ 30℃ 40℃（ppm） （32°F） （50°F） （68°F） （86°F） （104°F）1,000 870 930 1,000 1,030 1,060900 780 840 900 930 960800 690 750 800 830 850700 610 680 700 720 720600 520 560 600 620 640500 430 470 500 520 540400 350 370 400 410 430300 260 280 300 310 320200 180 190 200 210 220100 90 100 100 100 110Substance ppm Interference ppm CoexistenceEthylene 5,000 Pale grey stain is produced. 5,000 The top of discoloured layer becomesunclear ａnd higher readings are given.Whole layer is discoloured to GreyishHydrogen 5,000 Greyish yellow stain is produced. 5,000 yellow ａnd the top of discoloured layerbecomes unclear.Acetylene 1.5 Dark green stain is produced. C×Oc1o/n5c. Higher readings are given.Sulphur dioxide 100 Original colour is faded. 〃〃Nitrogen dioxide Tahffee catcecdu.racy of readings is not 〃〃www.r-biopharm.com.cnwww.r-biopharm.com.cn