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