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Measuring range: 0.5-30ppm/ 0.25-15ppm/ 0.17-2ppm
Number of pump strokes 3(300ml)/ 6(600ml)/ 9(900ml）
Sampling time: 1 minute/1 pump stroke
Detectable limit: 0.05ppm（900ml）
Shelf life: 3 years
Operating temperature: 0～40℃
Temperature and humidity compensation: Necessary（See "TEMP. /R. H. CORRECTION COEFFICIENT TABLE"）
Reading: Direct reading from the scale calibrated by 3 pump strokes
Colour change: Greenish yellow→Pink
