1 Transmitter model can be determined according to the selection specification table
2 The numbers and symbols in the selection specification table must be filled in clearly and accurately.
3 If there is positive or negative migration, the amount of migration must be indicated
如需配三阀组、节流装置，需另行注明 4 If differential pressure transmitter is required to be equipped with three valve groups and throttling devices, please specify otherwise
根据用户规定的量程效验。 5 The transmitter is tested according to the range specified by the user. If the user does not specify, the transmitter will be laughed to the maximum range. This verification will be performed in a greenhouse under normal pressure.
6 When the station number needs to be marked, it should be indicated when ordering
时，还应根据不同远传法兰选型表按需确定 7 When purchasing remote transmission transmitters , it should also be determined according to different remote transmission flange selection tables.
8 If the remote transmitter is to be used under vacuum and high temperature, please specify it when ordering
9 The material of the O-ring of the contact medium is nitrile rubber, fluorine rubber, etc.
In the process of industrial process control and technical measurement, mechanical pressure gauges have become more and more widely used due to their high mechanical strength and ease of production.