12
UFM
3030
Part B The signal converter
5
Operating the signal converter
5.1
Front panel and operating keys
The front panel and its operating keys are accessible after removing the front (glass) cover of the
electronics section using the special wrench supplied with the flowmeter.
When removing the cover, do not damage the screw thread and the gasket, never
allow dirt to accumulate, and make sure that they are well greased using Teflon
grease at all times. A damaged gasket must be replaced immediately!
1.
Display 1st (top) line, measured value
2.
Display 2nd (middle) line, units of measured value
3.
Display 3rd (bottom) line with markers
▼
to identify actual displayed value, from left to right:
Flow rate
Velocity of Sound VOS
Total + Totalizer (forward flow)
Total - Totalizer (reverse flow)
Total
Σ
Totalizer sum (+ and -)
4.
Compass field for error indication
5.
Operating keys for programming the signal converter
6.
Magnetic sensors to program the signal converter by means of
a hand-held bar magnet (optional) without having to open the
housing
The function of the sensors is as follows: the left most sensor is
equivalent to left key, the right most, the right key, and the top, the
center key.
The converter can display several types of measured values (depending on the programming),
indicated by the markers at the display bottom line. They can be selected manually at any time by
pressing the
↑
key or they are automatically cycled at 5 second intervals.
Errors are indicated by flashing display lines and/or by the compass field. For a description of the
errors and what to do, see main menu Error/Totalizer.
