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ELIS PLZEŇ a. s.
After the velocity measurement, which takes approximately 1 s, the measured value will appear on the second
line, e.g.
If the measured value lies within the limits specified for the given fluid, the following message will appear on the
display
and, after another 4 seconds, the meter will resume the normal measurement mode.
Should a fault be indicated at the ray passage test stage, the display will show ER instead of OK. After 4
seconds, automated probe cleaning procedure will start and last for 5 minutes. The display will then read
On the second line is displayed step by step, the actual number of the minute of the cleaning procedure is
displayed. Every fourth seconds one numeral is added, the line will be filled up by 15 same numbers within 1
minute, after elapsing this time the displayed numbers disappear and next new numbers start to display for a
time 1 minute. After the probe cleaning, another ray passage test is performed. Should even then the test result
be negative, the following message will appear on the display:
The meter needs be put out of service and either sent for repair to the manufacturing plant or a service
technician be asked to come and repair the meter on site.
Should a fault be indicated at the ultrasonic wave propagation velocity measurement and the measured velocity
lie outside the range of physically defined limits (VUTS < 900 m/s, VUTS > 1700 m/s), the probe cleaning
procedure will be initiated (unless it has already been performed) and the velocity measurement will be repeated.
Should even then the test result be unsatisfactory, the display will read:
and the test sequence will be terminated.
ELIS PLZEŇ a. s., Lucni 15, P. O. BOX 126, 304 26 Plzen, Czech Republic, Phone: +420/377517711, fax: +420/377517722
Design, Assembly and Service Manual
Ultrasonic flow meter SONOELIS SE404X,
SONOELIS SE406X
1510.6 m/s
RATE LIMITS OK
END OF TEST
CLEAN.UTSP 5 MIN
11111111 ...............
DEFECT
END OF TEST
DEFECT
END OF TEST
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Es90201K/c
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