ACS-CONTROL-SYSTEM GmbH
l Lauterbachstr. 57 l D-84307 Eggenfelden l www.acs-controlsystem.de l [email protected]
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Application
The device is a calorimetric flow monitor for monitoring of flows in liquids in all fields of industry.
Application examples:
•
Monitoring cooling water circulation systems of pumps, turbines, compressors and heat
exchangers
•
Monitoring pump functionality
•
Leak monitoring in process lines
•
Monitoring lubrication systems
•
Filter monitoring in the beverage industry
Function
The device is mounted in the wall of the pipe.
The sensor tube is the junction point with the applied medium and is in direct contact with it. Inside,
the sensor is installed, that is used for the detection of the flow and for its conversion into an electrical
signal.
The device measures the flow of a liquid medium with the calorimetric measurement method. The
calorimetric measuring principle is based on cooling a heated temperature sensor. Heat is removed
from the sensor by forced convection due to medium flowing by. The extent of this heat transfer
depends on the medium velocity and the difference in temperature between the sensor and medium.
The higher the flow velocity of the medium, the greater the temperature sensor cooling. For the
detection of temperature difference the temperature of the non-heated medium is additionally
detected by a second temperature sensor.
The temperature difference represents the measuring value, which is monitored by a switch output for
exceedance of a limit value.
The measuring value is diagrammed at the LED bar graph.
By 2 sensor keys and the ten-digit LED bargraph the adjustment to the application specific conditions
and the settings for the switch output can be carried out.
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