This thesis recommends calibration methods of types of sensor used in air-condition tester of refrigeration, and the importance to calibrate termly.
分析了传感器定期标定的必要性，介绍了制冷空调试验装置中常用的各种类型传感器的标定方法。
2
As to the giant size of the air loss testing equipment with expensive cost, introduction is made to the air loss Tester for Profiled Reeds BX-1 regarding its development and application method.
Aero pitot-static pressure system tester has direct effects on the airtightness of the air - borne pitot - static pressure system and the accuracy of meter reading.