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Article | REF: BM6017 V1

Hydraulic fluids - Analysis methods

Author: Gérard DALLEMAGNE

Publication date: October 10, 2003

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3. Electrical conductivity

The method, which is not standardized, involves measuring the electrical resistance R across a cell immersed in the fluid, using an impedance bridge (conductivity meter). Electrical resistivity ρ is determined by the relationship (7) :

ρ = (S /L )R = K · R ( 7 )

with :

K
 : 
cell constant (K=SL)
...
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