雨量传感器全自动校准仪研制与测试

为了解决雨量传感器野外检定的难题,研制了一种新型、便携的雨量传感器全自动校准仪。其采用二级标准玻璃量器为标准器,数控恒流泵控制水流速度,降水量和雨强模拟精度较高。详细介绍全自动校准仪的系统结构和工作原理,阐明其技术参数和主要功能。国家气象计量站对全自动校准仪的多个参数进行测试,均满足野外检定的技术指标要求。对比全自动校准仪与765型流量计的检定结果,两种校准仪的检定结果基本一致,全自动校准仪的检测质量具有可信度。

Development and Test of Automatic Rain Sensor Calibrator

In order to solve the field calibration problem of rain sensors, a new portable automatic calibrator of rain sensors is developed. In the calibrator, the second class standard glass container is used as standard device, and the digitally controlled constant flow pumps are used to control flowing speed. It has high accuracy of rainfall and rain intensity simulation. The system structure and working principles of the automatic calibrator are described in detail. The technical parameters and main functions are clarified. The multiple parameters of the automatic calibrator were tested by the national center for meteorological metrology and the results show that it satisfies the technical requirements of the field test. The calibration results of the automatic calibrator are compared with the 765 type flow meter. The calibration results of both calibrators indicate that the quality of the automatic calibrator is credible.