WIKA FLR User Manual
Page 7
GB
WIKA operating instructions level sensors model RMG
7
13442163.01 06/2010 GB/D/F
6.
Function test
6. Function test
A function test can only be carried out when the level sensor has been
removed.
■
Disconnect the cable
■
Connect an ohmmeter to two wires
■
Move the float by hand from Min. to Max.
■
The displayed resistance value changes continuously depending on
the connected wire colours (Tab. 1):
black-brown (R1)
blue-brown (R2)
black-blue (Ri)
Resistance value incre-
ases in proportion to
the height of the float.
Resistance value drops
from the value of the
total resistance inverse-
ly proportionally to the
height of the float.
Indication of the total
resistance (Ri)
Table 1
The value of the resistance chain is given on the tag plate mounted at
the level transmitter.
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