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1
INTRODUCTION
The CU100 flowmeter is an electronic device that is based on ultrasonic signal transmission
through a pipe where a liquid is flowing. The working principle is called transit time. It
consists of placing two ultrasound transducers on a pipe and sending an ultrasonic signal
from the first to the second and back. The difference between the transmission and the
reception time is proportional to the flow velocity in the pipe. An associated electronic circuit
based on digital signal processing is responsible for converting the time difference in flow.
The device provides the following features:
•
Non-invasive installation. The transducers are placed on the outside of the pipe
to measure the flow.
•
Current output proportional to the flow rate and user programmable.
•
Relay outputs programmable by the user.
•
Graphic display with intuitive menus.
•
No maintenance required.
2
INSTALLATION OF THE ELECTRONIC CONVERTER
It is recommended to install the electronic converter on a wall near the point where the flow
rate needs to be measured, never on pipes .
To do this, remove the lid and use the 5 mm diameter holes indicated in the figure to fix the
converter to the wall.
6
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