SECTION I
GENERAL INFORMATION
IMPORTANT
First and foremost, it is essential that this manual be read and understood before
installation and start-up of the HydroRanger I.
Section VI, Applications, provides a general description of the common applications
found in industry and illustrates them with examples. It is suggested that you refer to
the sub-section which most suits your application. The calibration may be further
optimized by referring to Section VII, Parameter Description or Appendix III,
Parameter Listing.
The HydroRanger I
The Milltronics HydroRanger I is a multi-purpose level monitoring system consisting of a
HydroRanger I in a watertight enclosure, a programmer and a transducer.
The HydroRanger I emits an ultrasonic pulse via the transducer. The echo is reflected
from the material and received by the transducer. The echo is processed by the
HydroRanger I and the time at which the ultrasonic pulse hits the level or target is
extracted and compared to the time at which it was sent. This time differential is then
converted into distance, material level, volume flow or differential level as a basis for
display, relay control, analog output and totalizing.
As well as simple level measurement, the HydroRanger I was designed to handle
specific applications such as: pump control, pumped volume totaling, differential level
and open channel flow measurement.
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PL-399 1 – 1
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