It includes the function of vacuometer, atmospheric pressure altimeter, thermometer (environment) and pressuremeter (for example the standard pressure meter of sphygmomanometer calibration).
介一种便携、数字式的多用途仪器,它具有真空度计、压高度计、(周围环境)温度计以及压力计(例如可作血压计的标器)等功能。