Bjong
–
User Manual
–
V1.0 - pg.47
The following table shows some examples:
TXT file
EasySetup Resume
Note
Height;Width
0;10
15;20
25;30
100;100
1 header line
4 lines
No errors
Correct File including 4 points
Height;Width
0a;10
15;20
2e5;30
100;100
1 header line
2 lines
Errors in lines 1, 4
File including errors. While saving, it will be
mentioned no 0 level is specified.
12.1.2.2
TTFM sensor
The TTFM (Transit Time Flow Meter) sensor allows to carry out the bidirectional measurement of the flow
rate in full pipes, using ultrasound transit time technology. The measurement is made by using two
transducers positioned on the external pipe surface (non-invasive technique) in a specific geometric
configuration and distance. This system allows to have no pressure drop and no interruption of the service
since the installation does not foresee any intervention on the pipe.
For a correct measurement it is essential to know accurately the pipe features in terms of dimensions and
materials as well as the type of liquid that flows inside it. In fact, depending on the materials and the
liquid, the different sound propagation speeds are determined, in order to allow a precise calculation of
the flow rate.
TTFM sensor configuration is possible only if it is connected to
Bjong
.
Before setup, save and load the type of RS485 sensor, otherwise the device will not be able
to communicate with TTFM.
Entering settings, EasySetup will automatically read the configuration of TTFM sensor.
Transducer distance
: it is the value of the mounting
distance of the transducers, in millimeters. The value
cannot be changed and is related to the last configuration
read by the TTFM. By changing one or more parameters,
this value is updated only after saving and loading on the
instrument.