快速支持
直接联系认证专家
Measuring range: 1-20ppm/ 0.5-10ppm/ 0.25-5ppm/ 0.2-4ppm
Number of pump strokes: 1(100ml)/ 2(200ml)/ 4(400ml)/ 5(500ml)
Sampling time: 1.5 minutes/1 pump stroke
Detectable limit: 0.05ppm（500ml）
Shelf life: 1 year（Necessary to store in refrigerated conditions ; 0～10℃）
Operating temperature: 0～40℃
Temperature compensation: Necessary（See "TEMPERATURE CORRECTION TABLE"）
Reading: Direct reading from the scale calibrated by 1 pump stroke
Colour change: Yellow→Red
