>> Ultrasonic Flow meter User Manual
Window for selecting the transducer mounting methods
Four methods can be selected:
(0) V-method (1) Z-method (2) N-method (3) W-method
Display the transducer mounting spacing or distance
(1) A switch for the parameters in flash memory will be loaded when power is turned on.
The default option is that the parameters will be loaded. If this switch is not turned
on, the system will try to use the parameters in the system RAM, if these parameters
are ok, otherwise the system will load the parameters in flash memory
(2) Function to store the current parameters into the flash memory, so that these
parameters will be solidified and will be loaded as the default parameters every time
when power is turned on.
Entry to store to or restore from the internal Flash memory, as many as 9 different pipe
parameter configurations
To save or load the current setup parameter, use the going up or going down keys to
change the address number, press ‘ENT’ key, and use going down or going up keys to
select to save to or load from the memory.
Entry to determine whether or not to hold (or to keep) the last good value when poor
signal condition occurs. YES is the default setup.
Entry to setup empty signal threshold. When the signal is less than this threshold, the
pipe is regarded as empty pipe, and the flow meter will not totalize flow.
This is based on the fact that, for most occasions, when pipe is empty, the transducer
would still receive signal, just smaller than normal, As a result, The flow meter would
show normal operation, which is not correct.
Make sure that the entered value must be less than the normal signal strength.
When much noisy signals are received, to make sure the flow meter will not incorrectly
totalize flow, there is also a ‘Q’ threshold should be entered in M.5
Window for selecting unit system. The conversion English to Metric or vice versa will
not affect the unit for totalizers.
Window for selecting flow rate unit system.
Flow rate can be in
0. Cubic meter short for (m
3
)
1. Liter (l)
2. USA gallon (gal)
3. Imperial Gallon (igl)
4. Million USA gallon (mgl)
5. Cubic feet (cf)
6. USA liquid barrel (bal)
7. Oil barrel (ob)
The flow unit in terms of time can be per day, per hour, per minute or per second. So
there are 32 different flow rate units in total for selection.
Window for selecting the totalizers unit. Available units are the same as those in M31
Window for setting the totalizer multiplying factor
The multiplying factor ranges from 0.001 to 10000. Factory default is 1
Turn on or turn off the NET totalizer
Turn on or turn off the POS (positive) totalizer
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