Operation, 3 description of status markers – KROHNE BM 702 A EN User Manual
Page 37
OPERATION
6
37
BM 702 A
www.krohne.com
09/2009 - 4000643301 - MA BM 702 A R01 en
6.3 Description of status markers
INFORMATION!
This function is only available for version with local display.
The markers below the local display only show information about the status of
measurement and are no error displays!
1
No current measured value:
No current measured value:
No current measured value:
No current measured value:
The device is searching for a new value. If the search for a plausible level fails for a certain time,
"No Measurand" appears as error display.
2
Signal too weak:
Signal too weak:
Signal too weak:
Signal too weak:
Mean of reflected microwaves is very low. Gain is automatically stepped up, if possible.
3
Poor spectrum:
Poor spectrum:
Poor spectrum:
Poor spectrum:
Brief showing of this marker has no significance. If permanently on, this may result in uncertain
(incorrect) measured values or the error message "No Measurand".
4
No measured value as yet:
No measured value as yet:
No measured value as yet:
No measured value as yet:
Evaluable measured values not available after the device has been started up. Measured value
automatically set to the level of the tank bottom. This marker disappears when the first valid
measured value is obtained.
5
Tank bottom:
Tank bottom:
Tank bottom:
Tank bottom:
In tanks with dished bottom, for example, the measuring signal can "disappear" if measurements
are carried out near the bottom. The measured value is then automatically set to the level of the
tank bottom.
6
Measurement frozen:
Measurement frozen:
Measurement frozen:
Measurement frozen:
Device is in the block distance detection
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