Measurement Range: 0-20ppm Applicable of gas: O3, SO2, CO, etc. Resolution: 0.001ppm Size: 228*84*50.5mm Housing material: PC Application: Ozone manufacturer, industrial production Item Name: Ozone Tester Power Supply: Lithium battery (4.2 V/3000 mAh) Warranty: 1 year MOQ: 1 unit Show More