Ametek Z-tron IV, Installation And Operating Instructions Manual

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24
Z-tron IV
TM
Point Level Control
5.3 Testing Sensing Element (continued)
Figure 5-1
Checking the Sensing Element
Center = Probe
Outer = Shield
Housing = Ground
ANALOG
OHMMETER
GROUNDED
TO
HOUSING
TO
CENTER
CONDUCTOR
PACKING
GLAND
DO NOT DISTURB
ANALOG
OHMMETER
GROUNDED
TO
HOUSING
TO
OUTER
CONDUCTOR
Red Lug
PACKING
GLAND
DO NOT DISTURB
PROBE MEASUREMENT SHIELD MEASUREMENT
Sensing Element in Vessel
Center Conductor to Housing _______________ Ohms
Center Conductor to Cote Shield _______________ Ohms
Cote Shield to Housing _______________ Ohms
Sensing Element Cleaned
Center Conductor to Housing _______________ Ohms
Center Conductor to Cote Shield _______________ Ohms
Cote Shield to Housing _______________ Ohms