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Quantity of tubes/box: 2x10
Application: Industrial hygiene
Gas to be measured: Hydrogen fluoride
Measuring range: 0.05-1.0 ppm
Sampling time: 250mL/min × 10 min
Detectable limitL: 0.02ppm
Shelf life: 2 years
Operating temperature: 10～35℃
Temperature compensation: Necessary (See "TEMPERATURE CORRECTION TABLE")
Operating humidity: 20～80%R.H (Humidity correction is necessary.)
Reading: Direct reading from the scale calibrated at the sampling of 250mL/min x 10min
Colour change: yellow → pink
