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Measuring range: 2-30ppm/ 1-5ppm
Number of pump strokes: 1(100ml)/ 2(200ml)
Sampling time: 1 minute/1 pump stroke
Detectable limit: 0.2ppm (200ml)
Shelf life: 2 years
Operating temperature: 10～40℃
Temperature compensation: Necessary（See "TEMPERATURE CORRECTION TABLE"）
Reading: Direct reading from the scale calibrated by 1 pump strokes
Colour change: Pale purple→Pale yellow
