Water in an oil system can lead to
corrosion, ineffective lubrication,
friction and, eventually, serious
damage, says ifm electronic, a
company that has recently added a
new diagnostic tool in the form of a
solid-state oil condition monitor.

The new LDH monitor will detect
water contamination and indicate the
relative percentage of moisture content
via an analogue output. This triggers
an external alarm if the water
content gets too high. It also provides
data for trending. The device will
measure oil temperature in parallel
with water content and signal this on
a second 4 to 20mA output.