... additional Accessaries requested HDGA Portable Dissolved Gas AnalyzerFeatures- Quick Testing 7 type gas in 20 mins -No additional Accessaries ... requested- Physical spectroscopic analysis, no sampling gas, load gas Watering , ... ,<20ppm,±1ppm; others ,±10%Sampling Oil: 50ml±2mlSampling GAS: 5ml±0.2mlINTERFACE : USBPrinter Output: 2.0 inchPower ...