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Measuring range: 2-100ppm/ 1-50ppm
Number of pump strokes: 2(200ml)/ 4(400ml)
Sampling time: 2 minutes/2 pump stroke
Detectable limit: 0.2ppm（400ml）
Shelf life: 3 years
Operating temperature: 0～40℃
Temperature compensation: Necessary（See "TEMPERATURE CORRECTION TABLE"）
Reading: Direct reading from the scale calibrated by 2 pump stroke
Colour change: white → yellow
