A5E32243983 The Probe – INSTRUCTION MANUAL Page 1
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English
Introduction
The Probe is an ultrasonic level monitor combining sensor and electronics in a single package. It is
designed to measure liquid levels in open or closed vessels. The process part (sensor) is PVDF or
ETFE, allowing The Probe to be used in a wide variety of industries, especially food and chemical.
The sensor houses the ultrasonic transducer and temperature sensing element. The Probe emits a
series of ultrasonic pulses from the transducer. Each pulse is reflected as an echo from the material
and sensed by the transducer. The echo is processed by The Probe using Siemens Milltronic’s
proven ‘Sonic Intelligence’ techniques. Filtering is applied to help discriminate between the true
echo from the material, and false echoes from acoustical and electrical noises and agitator blades in
motion. The time for the pulse to travel to the material and back is temperature compensated and
then converted into distance for display, mA output.
Installation
Environmental
The Probe should be mounted in an area that is within the temperature range specified and that is
suitable to the housing rating and materials of construction. The front lid should be accessible to
allow programming, wiring and display viewing.
It is advisable to keep The Probe away from high voltage or current runs, contactors and SCR control
drives.
Location
Notes:
• This product is intended for use in industrial areas. Operation of this equipment in a
residential area may cause interference to several frequency based
communications.
• The Probe is to be used only in the manner outlined in this instruction manual.
Locate the Probe so that it
will have a clear sound path
perpendicular to the liquid
surface.
The Probe’s sound path
should not intersect the fill
path, rough walls, seams,
rungs, etc.
sanitary ferrule
pipe
rungs
seams
fill
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