The model THY-23A is a portable and intelligent oil quality analyzer.The product can be normally used with Li battery under the system of data processing,low voltage and low power consumption.A 2.8-inch color screen shows operating prompt in English characters of each function that convenient to read various data.Automatic calibration of the analyzer greatly improve the testing efficiency,the analyzer will shut down automatically in no man operation state.Hand- held design is convenient for on-site and wild field use.