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Type of harmful chemicals: Tetrachloroethylene
Measuring range: 10-300ppm/ 5-150 ppm/ 2.1-21 ppm
Number of pump strokes: 1/2(50mL)/ 1(100mL)/ 2(200mL)
Sampling time: 2 minutes/1 pump stroke
Detectable limit: 1 ppm(100mL)
Shelf life: 2 years(Necessary to store in regrigerated 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
