... 5.long life time, quality warranty Portable Good Quality Ozone Detector1. summarizeThis series portable intelligent gas detector, adopts the most ... 200ppm (0.01ppm) detection mode: The proliferation type, the pump attract the type to be possible to choose the display mode ... IP65:200gFine degrees: ±3%F.S.Detecting way: Ciffusion Type or Pump suction methodConcentration unit: ppm,%VOL,%LEL,mg/m3Acousto ...