文摘:介绍一种便携、数字式的多用途仪器，它具有真空度计、气压高度计、（周围环境）温度计以及压力计(例如可作为校准血压计的标准器)等功能。

• Abstract: A portable digital instrument for multi-using(multi-parameter) is introduced.It includes the function of vacuometer,atmospheric pressure altimeter,thermometer (environment) and pressuremeter (for example the standard pressuremeter of sphygmomanometer calibration).