Revision: 3.0.3
Signal Strength and Signal Quality
Display the measured signal strength and signal
quality Q value upstream and downstream.
Signal strength is indicated from 00.0~
of 00.0 indicates no signal detected, while 99.9
indicates maximum signal strength. Normally the
signal strength should be ≥60.0.
Signal quality Q is indicated by 00～
indicates the poor
est signal while 99 indicates the best
signal. Normally, signal quality Q value should be
better than 50.
During the installation, pay attention to the signal
strength and signal quality, the higher, the better. The
strong signal strength and high quality
ensure the long-
term stability and the high accuracy of
the measurement results.
TOM/TOS*100
Display the ratio between the actual measured
transmit time and the calculated transmit time
according to customer’s requirement.
ratio should be 100±3％
. If the difference is too large,
the user should check whether
entered
correctly, especially the sound velocity of the
fluid and the installation of the transducers. This data
is of no use before the system is ready.
Fluid Sound Velocity
Display the measured fluid sound velocity.
Total Time and Delta Time
Display the measured ultrasonic average time (unit:
n
S) and delta time of the upstream and downstream
(unit: nS
) time. The velocity calculation in the
Flowmeter is based on the two readings. The delta
time is the best indication that the instrument is
running steadily. Normally the fluctuation in the ratio
of the delta time should be lower than 20%. If it is not,
i
t is necessary to check if the transducers are installed
properly or if the parameters have been entered
correctly.
Menu 9 0
Menu 9
1
Menu 9 2
Menu 9
3
D116
Series Ultrasonic Flowmeter
Display the measured signal strength and signal
of 00.0 indicates no signal detected, while 99.9
indicates maximum signal strength. Normally the
est signal while 99 indicates the best
signal. Normally, signal quality Q value should be
During the installation, pay attention to the signal
strength and signal quality, the higher, the better. The
strong signal strength and high quality
value can
term stability and the high accuracy of
Display the ratio between the actual measured
transmit time and the calculated transmit time
. If the difference is too large,
correctly, especially the sound velocity of the
fluid and the installation of the transducers. This data
Display the measured ultrasonic average time (unit:
S) and delta time of the upstream and downstream
) time. The velocity calculation in the
Flowmeter is based on the two readings. The delta
time is the best indication that the instrument is
running steadily. Normally the fluctuation in the ratio
of the delta time should be lower than 20%. If it is not,
t is necessary to check if the transducers are installed
properly or if the parameters have been entered
0.00%
1443.4
Totl
8.9149uS, -
Series Ultrasonic Flowmeter
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