Coat-Endure
User Manual & Datasheet V 3.0
1
Introduction
Coat-Endure is a microcontroller based compact coat im-
mune admittance level limit switch. It is a compact level
switch which is suitable for sticky solids, pastes and slur-
ries. The device is specially suited for compact silos and
packaging machines where material has a tendency to stick
on the probe.
Figure 1: Coat-Endure
2
Operating Principle
Coat-Endure is an improvement over traditional principle
of admittance. The ring type probe has an alternating active
and an inactive region, which collectively help the controller
to calculate the extent of coating on the probe. In effect,
the device is able to identify the differential coating between
the sense and the shield by measuring their individual ca-
pacitances. As the coating immunity is controlled by the on-
board microcontroller, the extent of coating immunity can be
set easily.
Figure 2: Description of Parts
3
Features
•
Universal power supply of 18 - 55 V DC and 90 - 265
V AC on the same terminal.
•
Compact and customizable probe size.
•
Passive shielding compensation with adjustable coat-
ing immunity.
•
Output options: Relay, PNP and Analog.
•
High temperature probe suitable for applications up to
250
◦
C.
•
Self-diagnosis for probe and electronics.
•
Popular with a wide range of materials: low-to-high di-
electric conductive materials.
4
Applications
•
Food & Beverages
•
Foundry
•
Material Handling
•
Poultry
•
Packaging Industry
•
Chemicals
•
Pharmaceuticals
•
Dairy
Sapcon Instruments Pvt.Ltd.
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