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Measuring range: 5-140ppm/ 1-5 ppm
Number of pump strokes: 1(100ml)/ 5(500mrl)
Sampling time: 2 minutes/1 pump stroke
Detectable limit: 0.5 ppm(500ml)
Shelf life: 2 years
Operating temperature: 0~40℃
Reading: Direct reading from the scale calibrated by 1 pump stroke
Colour change: White→Pale brown

