Quick Testing 7 type gas in 20 mins No 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 , Can get water contents in oil, accuracy to ±1ppm- Easy Operation, Operated by Button - Portable, Weighs up to 10 kgs- Stable performance, ...