Exported to Europe, Southeast Asia, America, etc. Fit to International Standard CE-Marked Widely Used in Electronics Model:DG 540Auto Nitrogen Gas CabinetCharacteristic:1.LED display, the humidity sensor is made by Honeywell. Relative humidity deviation is ±3%RH2.Using 1mm and 1.2mm cold rolled plate of steel, reinforcing structure design, high intensity bearing.3.Using 4.0mm toughened glass.4. ...