21- With 0. Resolution Ultrasonic Oxygen Sensor With Accuracy ぢ. Battery Lasts Greater Than 24 Hours. Comes With A Rechargeable Li-ion 1000mah And Wall Plug Charger. Made With Strong Abs Plastic Housing. Comes With Two Barb Inlets For Easy Connection. The Oxygen Analyzer Is Specially Used For Detecting The Concentration Of O2 Generated By Molecular Sieve O2 Concentrator. The Oxygen Measurement We Offer Has High Sensitivity. Due To Stable Quality, Our Inst Ent Can Last Over 5 Years. Plug Type:eu Plug,it Applies To Indonesia, Germany, France, Spain, Italy And So On Voltage: Ac220v Flow: Range: 0 To 10.0 L/min Input: Psa 02 Machine Output Only Resolution: 0.1 L/min Accuracy: F.s. ( 0.2 L/min.) Concentration: Range: To 95. O2 Input: Psa 02 Machine Output Only Resolution: 0.1 % Accuracy: 1. Pressure: Range: 0-100kpa Resolution: 1kpa Accuracy: Fs Temperature: Display: +5c To +55c Lcd Power Supply Battery: 12v 1a3000mah Weight: 300g Length: 17.6 Cm Length Including Inlet F