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INF-TN1FSH-E
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3.4.
Setting piping parameters and calculating the
sensor spacing
Make the setting to calculate the sensor spacing as follows.
3.4.1. Selecting sensor type, mounting the sensor, setting the
sensor constant
Description
The data of the sensor required for measurement can be set as follows.
If the sensor mounting method or sensor type is changed, the sensor spacing in piping specifications is also changed.
Enter the data for each item according to the display (see the table shown below).
Refer to 4.4.1. for details of the setting.
Item
Input method
Range or menu
Sensor mounting method
Select
V method, Z method
Sensor type
Select
FLW11, FLW41, FLW12, FLD12, FLD22, FLW32,
FLW50, FLW51, FSW12, FSW21, FSW40, FSW50
Sensor constant
Line #-F: METAL PIPE
Line #-R: METAL PIPE
Line #-F: PLASTIC PIPE
Line #-R: PLASTIC PIPE
(#: Line No.)
Numeric value
Numeric value
Numeric value
Numeric value
0.00% to 300.00%
0.00% to 300.00%
0.00% to 300.00%
0.00% to 300.00%
*1) Select sensor type by the model of the sensor to be used in combination (5 digits).
*2) In sensor constant, set the sensor constant calculated based on actual current calibration performed as part of the
delivery test at the factory. Set the sensor constant for each of the sensor units mounted to the pipe. The sensor
constant appears as the DF value marked on the nameplate of the sensor unit. The setting need not be changed
normally. (Make the setting when the detector or the flow transmitter is replaced.)
▪
It appears as the DF-P value on the nameplate of the sensor unit if the sensor is mounted on a plastic pipe.
▪
It appears as the DF-M value on the nameplate of the sensor unit if the sensor is mounted on a metal pipe.
Pipe
material
Plastic Pipe
PVC, FRP, PEEK, PVDF, Acrylic, Others
Metal Pipe
Carbon steal, Stainless steel, Copper, Cast iron, Aluminium, Ductile iron
Refer to “1.3. Checking type and specifications” for sensor unit.
*3) The sensor constant value is for the sensors in the following figure.
Converter
Sensor 3
Sensor 2
Sensor 1
Sensor 4
Direction of flow
To line 1
To line 2
Sensor constant line 1-F: Sensor 1
Sensor constant line 1-R: Sensor 2
Sensor constant line 2-F: Sensor 3
Sensor constant line 2-R: Sensor 4
*4) Perform sensor constant only when the sensor type is FSW12, FSW21, FSW40, or FSW50.