Vega VEGASWING 66 Safety Manual - page 12
12
7 Proof test
VEGASWING 66 • Two-wire (8/16 mA)
45309-EN-130722
7.3 Test2-withfillingordismountingofthe
sensor
•
Alternative 1: the instrument remains mounted; the condition
"Vibrating element uncovered"/"Vibrating element covered" can be
changedbyfillingoremptyingtotheswitchingpoint.
•
Alternative 2: the instrument is dismounted; the condition "Vibrat-
ing element uncovered"/"Vibrating element covered" can be
changed by dipping the instrument into the original medium
•
Output signal corresponds to the level (covered or uncovered
vibrating element)
1. Carry out a restart (push test key on the sensor or on the signal
conditioning instrument)
2. Push the min./max. switch
3. Filling or emptying up to the switching point or immersion into the
original medium
to1:Outputofadefinedstartingcurrentinthreesteps:
Fault message - Empty signal - Full signal (see operating instruc-
tions). Afterwards, the output signal corresponds to the level.
to 2: Output signal changes status
to3:Outputsignalcorrespondstothemodifiedlevel
Remaining dangerous, undetected failures: 2 FIT (PTC = 95 %)
Conditions
Procedure
Expected result
Coverage of the test