Liquid level meter calibration device for liquefied gas tank car

The utility model provides a liquidometer calibration device for a liquefied gas tank car, which comprises a computer, a camera, a laser range finder, a liquidometer mounting seat, a first water tank and a second water tank, and a water inlet pipe and a water outlet pipe are connected between the first water tank and the second water tank. A water inlet pump is arranged on the water inlet pipe, and a water outlet pump is arranged on the water outlet pipe; according to the liquid level meter calibration device, a machine is adopted for calibration, data processing is carried out through a computer, the liquid level meter can be accurately calibrated, the liquid level meter calibration device can adapt to calibration of various types of liquid level meters, data can be rapidly analyzed, measurement results can be rapidly judged, and then a conclusion whether output is qualified or not is obtained. 本实用新型提供了一种液化气体汽车罐车用液位计校准装置，包括计算机、摄像头、激光测距仪、液位计安装座，还包括一号水箱、二号水箱，所述一号水箱与所述二号水箱之间还连接有一根进水管以及一根出水管，所述进水管上设有一个进水泵，所述出水管上