The exact monitoring of dew point
temperature in compressed air systems,
dryers for plastic and other
industrial processes is becoming
increasingly more important.EE371 series
with a measuring range
-80...60°C Td (-112...140°F Td) and
EE372 series with a measuring range
-40...60°C Td (-40...140°F) are
the ideal solution for such
applications. The core of the
transmitter is the monolithic
measurement cell type
HMC01, developed by E+E Electronic in
thin-film technology. An auto calibration
procedure which is
integrated in the device and years of
experience in low humidity adjustment
make an accuracy of
<2°C Td (±3.6°F Td) possible. The
compact construction in a robust
aluminium housing and the numerous
options allow easy mounting and many
application possibilities.
Autocalibration
Dew point temperatures in
the range of -60...-20°C (-76...-4°F) at
room temperature correspond to relative
humidity values of 0.08...5.37% RH. The
measurement of these low humidity values
is not possible with
conventional capacitive measurement
methods. For the EE371/EE372 series a
special auto calibration
procedure is utilized to achieve high
accuracy measurements at lowest dew
points too.
Outputs
Model T: The transmitter
has two freely selectable and scaleable
outputs for dew point, frost point or
ppm
volume concentration. Model S: The
switch with two relay outputs is
designed for control and alarm purposes.
The status for early warning and main
alarm is indicated by LED's. Adjustment
of the Td/Tf set point and
hysteresis
can be achieved with the
optional configuration software.
Configuration Software
The optional
configuration software allows flexible
and easy adjustment of the analogue resp.
relay outputs
to the respective requirements. The
adjustment / calibration of the
transmitters can easily be performed.
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