摘要：【中文】本发明公开了一种不同水压下各种型号水表的测准系统，包括循环水池和循环水池连通的供水管，所述供水管上设置有水泵与电磁流量计，所述供水管上连接有数条与循环水池相连通的水表测准管路，所述水表测准管路上设置有阀门、串联与并联相组合的待测准水表。本发明提供了一种不同水压下各种型号水表的测准系统，能准确方便的在不同水压下对各种型号、各种口径的水表进行对比测准，方便在不同水压条件下选择计量最准确的水表使用。 【EN】The invention discloses a calibration system for various types of water meters under different water pressures, which comprises a circulating water tank and a water supply pipe communicated with the circulating water tank, wherein a water pump and an electromagnetic flowmeter are arranged on the water supply pipe, a plurality of water meter calibration pipelines communicated with the circulating water tank are connected to the water supply pipe, and valves and calibration water meters to be tested which are combined in series and parallel are arranged on the water meter calibration pipelines. The invention provides a measuring and calibrating system for water meters of various types under different water pressures, which can accurately and conveniently compare and measure the water meters of various types and various calibers under different water pressures and is convenient for selecting the water meter with the most accurate measurement under different water pressure conditions.