4.1 Intial menu settings
Outer Perimeter | The purpose of setting the damping coefficient is to smooth the output value. 0 means no smoothing effect. 99 indicates the maximum smoothing effect. The larger the coefficient, the smoother the measurement result will be, but the longer the delay. It is recommended to set this factor to 0 when calibrating the flowmeter. |
Outer Diameter | Output 0 when the flow rate falls below the set value. Avoid zero run-in value caused by an invalid cumulative value |
Pipe Thickness | Enter the tube wall thickness. The system will automatically calculate the inner pipe diameter. |
Inner Diameter | Enter the inner pipe diameter. The system automatically calculates the outer pipe diameter. |
Pipe Material | Optional pipe material listing. If pipe material is not listed, select Other. |
*Pipe S.Velocity | If Other is selected in the Pipe Material menu, this option will appear. Please input the sound velocity of the material (m/s). |
Liner Material | If there is no lining, please select no liner. If not in the list please select Other. |
*Liner S.Velocity | If Other is selected for the lining material, this option will appear. Enter the sound velocity of the material (m/s). |
Liner Thickness | Enter the thickness of the liner. If no liner is selected, this option will be hidden. |
Fluid Type | Select the appropriate fluid options. If not in the list please select Other. |
Fluid S.Velocity | This option will appear if Fluid Type is Other. Enter the sound velocity of this fluid (m/s). |
Fluid Viscosity | This option will appear if Fluid Type is Other. Please enter the kinematic viscosity of the fluid (mm2 /s). |
Probe Type User Type | Select the model number of the probe used. If not in the list, select User type. |
*Wedge Angle | If the probe model is User-type (user-defined), this option will appear. Please enter the probe wedge type and waveguide angle. |
*Wedge S Velocity | If the probe model is user-defined, this option will appear. Please enter the wedge waveguide sound velocity (m/s). |
*Wedge Distance | If the probe type is user-defined, this option will appear. Enter the wedge distance of the probe (mm). |
*Wedge Time Delay | If the probe type is user-defined, this option will appear. Enter the wedgedelay time of the probe. |
Probe Mounting | Choose the appropriate configuration option based on the actual configuration used: Z, V, N, or W. |
Probe Spacing | This item simply shows the calculation results. When all the initial value settings are entered, the probe distance is automatically calculated and displayed on this screen. Install the probe according to this distance. |
Empty Pipe Setup | If there is no liquid in the pipe, the intensity of the received ultrasonic signal will be greatly reduced. Therefore, inputting the specified signal strength (RSSI) value can be used as a basis for resolving the reduced signal intensity cause by the empty pipe. When the upstream and downstream RSSI are lower than the set value, the measured value will be output as 0, and an empty pipe error message will be sent out. |
*Normally hidden. These are only displayed when special settings are made.
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