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Type of harmful chemicals: Trichloroethylene
Measuring range: 2.3-36.8 ppm/ 1-16 ppm/ 0.2-3.2 ppm
Number of pump strokes: 1/2（50mL)/ 1（100mL)/ 4（400mL)
Sampling time: 1.5 minutes/1 pump stroke
Detectable limit: 0.1 ppm（400mL)
Shelf life: 1 year（Necessary to store in refrigerated conditions ; 0～10℃）
Operating temperature: 0～40℃
Reading: Direct reading from the scale calibrated by 1 pump stroke
Colour change: Pale orange→Blueish purple
