BM 70 M
53
FCT. 3.5.2 EMPTY.SPEC.
Under this function the empty spectrum is activated or deactivated, or recorded and stored. The
display first gives information as to whether the empty spectrum is currently switched ON or OFF.
You can then choose between:
•
OFF: The empty spectrum is not considered for measurements but remains stored in the
BM 70 M and can be activated again at a later date.
•
ON: The empty spectrum is (again) activated and considered for measurements.
•
RECORD: The previous empty spectrum is to be deleted and a new one recorded.
Conditions:
•
Tank must be totally or partially drained.
•
All moving parts, e.g. agitators, must be switched on.
•
Tank height, antenna extension, distance piece and still well must be set correctly.
When you select "RECORD", the procedure is as follows:
If other configuration parameters have previously been changed, you will first be asked by
"STORE YES" whether you wish to store the data. Confirm by pressing key
↵
.
The next step is a choice of the following:
•
AVERAGE
Values are averaged. This setting can be used for most applications.
•
MAX. VALUES
Only maximum values considered when the empty spectrum is recorded.
Of advantage in conjunction with "difficult" agitators, for example.
If the tank is not completely drained, the empty tank spectrum can nevertheless still be recorded
up to a certain range. In this case, select menu item PARTIAL.
•
After selecting AVERAGE or MAX. VALUES, press key
↵
. Then select PARTIAL or TOTAL
with key
↑
, as follows.
•
If TOTAL selected, the empty-tank spectrum is recorded over the complete range.
•
If PARTIAL selected, interrogation is carried out via the
↵
key concerning input of the distance
value up to which the empty-tank spectrum shall be recorded.
•
The tank area below the current product level is excluded from the recording of the empty-
tank spectrum.
•
The distance value is entered in the same unit as used for the tank height, in the range of 0 m
to tank height.
•
It is recommended to maintain a safe distance of 20 to 30 cm (8" to 12") to the actual
distance.
Subsequently press key
↵
to start recording of the empty-tank spectrum.
"WAIT" appears briefly in the display. Then countdown of measurements from "1000" to "0".
"READY" is displayed after approx. 1.5 Minutes.
Press
↵
key 5 times to store the empty spectrum, which will then be taken into consideration
during measurements.
Recording of the empty spectrum can be aborted by pressing key
↵
. Displayed: BREAK.
Confirm by pressing key
↵
.
The "old" empty spectrum is retained in this case.
Содержание BM 70 M Series
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