Digital flow meter GF1010 1 piece

This is a handy type that uses the volumetric flow measurement method. It can measure any gas type, including mixed gases. Measurement range (mL/min): 0.5 to 1200 Target gases: Helium, nitrogen, hydrogen, air, argon, etc. Accuracy: ±3% or ±0.3mL/min, whichever is greater Functions: Auto power off, battery monitor Power supply: 2 AA batteries (included for testing) Size: Main unit: 76 x 135 x 35 mm, Tube: Outer diameter φ7 x Inner diameter φ3 x 500 mm Weight: Approx. 240g (excluding batteries) *Cannot be used to measure corrosive gases or humidified gases (such as water vapor).