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Measuring range: 5-100 ppm
Number of pump strokes: 3(300ml)
Sampling time: 4.5 minutes/3 pump strokes
Detectable limit: 2 ppm
Shelf life: 2 years
Operating temperature: 0～40℃
Temperature compensation: necessary (see "TEMPERATURE CORRECTION TABLE")
Reading: Direct reading from the scale calibrated by 3 pump stroke
Colour change: yellow→pale blue
