Process piping, equipment specification would have to be on the installation method of use, to ensure equipment in good condition for its operation, this paper introduce vortex flowmeter for everyone in use should pay attention to two matters, in order to exert the usefulness of flowmeter,

1, determine the flow limit, choose appropriate diameter,
First of all, in the process of flow, the lower limit and normal traffic were analyzed, and the working condition of flow in the conversion (kg/m3) velocity (m/s), vortex flowmeter is within the normal range, Reynolds number Red in 2 x 104-7 x 106 this, within this range, the accuracy of measured flow can meet requirements in the technical indicators accuracy, more than this range will produce a lot of measurement error, the upper limit of vortex flowmeter can measure the flow velocity, the general gas up to 60 m/s, steam up to 70 m/s, the liquid can be up to 7 m/s, the characteristics of vortex flowmeter is low not high, so is very important to determine the flow limit of vortex flowmeter, in general the meter diameter should make small gas velocity does not less than 7 m/s, liquid flow rate is not less than 0.7 m/s, such as traffic to reach this requirement should be used appropriately between shrinkage, expansion between reducing pipe damage, when choosing diameter but also try to avoid the normal flow of around 50 hz frequency, into the instrument is not easy to detect because of power frequency interference, will cause measurement errors,

2, dynamic compensation also must be conducted,
Due to vortex flowmeter can only detect the working condition of pipeline, the volume of the same flow rate, pressure, temperature etc. As a result of the change of the parameters of density also produces change, the working condition of volume remains constant, the frequency of vortex flowmeter are also won't change, so the same frequency but by different standard flow, so the measuring gas, must be added when superheated steam pressure, temperature compensation, the measurement of saturated vapour pressure compensation, temperature compensation is added when measuring liquid, vortex flowmeter is composed of sensor and display instrument, in general, display instrument of form a complete set with all kinds of compensation functions, users can be set according to need,
Vortex flowmeter by sensors, counting display unit, preamplifier, its counter unit to count the converter output signal to realize the flow of records, storage, computing and setting, and other functions, also known as its secondary instrument, is composed of single chip microcomputer system, in addition, can also be used to control LCD to display the measured instantaneous flow and traffic information, but some vortex flowmeter can with the remote computer for data communication, a communication interface, is used to implement dynamic monitoring,