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1.1 Overview
The SLN 700 SmartLine 80 GHz Non-Contact Radar transmitter is an electronic
instrument designed to measure levels of liquid and solid materials. Non-Contact
Radar (NCR) transmitters use Frequency Modulated Continuous Wave (FMCW)
radar signals that are reflected by the material to be measured. The difference in
frequency between the received and transmitted signal is directly proportional to the
distance to the liquid and can be measured with high precision. Its small beam
angle and small antenna size makes it easy to install. In comparison to other level
measurement technologies, NCR provides a highly accurate, cost-effective, reliable
measurement in applications where Guided Wave Radar (GWR) are not suitable.
1.2 Transmitter Models
The SLN 700 SmartLine 80 GHz NCR transmitter is available as a part of the family
of SLN700L models for liquid and SLN700S for solid applications. The pressure
and temperature range is -40 to 200°C/-1 to 40 bar for both, and each model is
available with a range of flange or threaded antenna, lens diameters, process
connection, and accessories to suit most applications.
1.3 Transmitter Components
Overview of components
As shown in
Figure
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•
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Revision 2
1
1-1, the transmitter consists of:
Electronics housing containing the core measurement module and optional
display module
Process connection
RF antenna
Figure 1-1 Components of the Level transmitter
SLN 700 SmartLine NCR Level Transmitter User's Manual
Introduction
Page 1
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