ultrasonic open channel flowmeter
Installation diagram of flowmeter in open channel:
1） The distance from the transmitter surface of the transducer to the lowest level should be less than the range of the optional instrument;
2） The distance from the transmitter surface of the transducer to the highest level should be greater than the blind area of the optional instrument;
3 ） The transmitter surface of the transducer shall remain parallel to the surface of the liquid;
4） The meter is mounted on the center of the canal or on a static well.
5）The meter should be installed upstream of the weir plate or weir groove.
1） The instrument housing is best connected to the Earth;
2） Wire, cable protection pipe, should pay attention to prevent too much water；
3） Although the instrument has its own lightning protection device, but when used in the Dorey area, it is best to install a special lightning protection device at the inlet end of 4 Shielding wire black red the instrument.
4） The meter is used in particularly hot and cold places, that is, the ambient temperature may exceed the working requirements of the instrument, it is best to add a high and low temperature device around the liquid level meter.
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