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Manual
µ
-ICC 2.45 compact
21
pro
M
tec
February 2010
5 Initial Sensor Configuration
Here you can adjust the initial sensor settings.
5.1 Measurement mode
SYSTEM / SENSOR / MEASUREMENT
With engaging first of all you have to choose a measurement mode.
There are three different measuring modes:
•
Phase measuring (default setting)
•
Level measuring
•
Attenuation measuring
It strongly depends on the application, which measuring mode is the most
suitable. In many cases especially in the sugar factories the phase measurement
fits to the application.
If you’re not getting good results with the chosen measurement, please get in
contact with proMtec.
Starting from „
System
” main menu, select „
Sensor
” then „
Measurement
”.
Now select e.g. „
Phase measuring
” and select „
OK
” and confirm it again by
„
OK
”.
5.2 Amplification
SYSTEM / SENSOR / RF AMPLIFIER
At the beginning you have to be sure that the microwave signal is strong enough.
It should be arranged between 30 to 60 dB (in best case between 40 to 50 dB)
while operating at normal process conditions (the microwave sensors must be
covered by running product).
If the signal is too weak, you have two opportunities to strengthen it:
•
TX-Booster
(10/ 20 dB)
•
RX-Transponder
(20/ 40 dB)
Depending on the application, the most suitable microwave signal amplification
has to be chosen. Usually we recommend trying it first with the Booster,
alternatively with the Transponder. In special case, it is also possible to combine
these two amplification methods.
Starting from „
System
” main menu, select „
Sensor
” then „
RF Amplifier
”.
Now select e.g. „
TX-Booster
” and switch from „
OFF
” to „+
10 dB
” or „+2
0 dB
”
depending on the requested amplification.
