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Measuring range: 125-5,000ppm/ 50-2,000ppm/ 20-800 ppm
Number of pump strokes: 1/2(50ml)/ 1(100ml)/ 2(200ml）
Sampling time: 1.5 minutes/1 pump stroke
Detectable limit: 10 ppm（200ml）
Shelf life: 2 years
Operating temperature: 0～40℃
Temperature compensation: Necessary（See "TEMPERATURE CORRECTION TABLE")
Reading: Direct reading from the scale calibrated by 1 pump stroke
Colour change: Yellow→Dark brown
