Conditions
Procedure
Expected result
Proof Test Coverage
12
7.3 Test 2: With filling or dismounting of the
sensor
•
Alternative 1: the instrument remains mounted; the condition
"Vibrating element uncovered"/"Vibrating element covered" can be
changed by filling or emptying to the switching point.
•
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)
•
The NO contacts of the two relays connected in series must
be checked separately!
1. Push the min./max. switch
2. Filling or emptying up to the switching point or immersion into the
original medium
to 1: Output signal changes status
to 2: Output signal corresponds to the modified level
See Safety-related characteristics
SITRANS LVL200H - Safety Manual