Chapter 5 Flow meter operation method
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Chapter 5 Flow meter operation method
5.1. Turbine flow sensor
5.1.1.
Main technical parameters
Power supply: +12V DC, +24V DC (maximum v26VDC)
Output signal: pulse signal
5.1.2.
Field connection method
The connection between the flow meter and the display instrument can be
selected according to the power supply of the instrument(Figure 14).
Warning: When wiring the instrument, it must be operated after power off.
Red: power positive
Yellow: signal terminal
White: power negative
Shielding layer: ground wire
Figure 11 Wiring diagram of sensor and display instrument
5.1.3.
Sensor supporting display instrument
Intelligent display instrument: It can display the cumulative quantity and
instantaneous quantity, the display error is better than 0.2% FS, 8-segment broken
line non-linear correction function, the alarm output can be set as the
instantaneous upper and lower limit alarm or cumulative quantity preset output.
Power failure record function can record the total power failure time. Number of
power outages and power-on time. Output current: 4~20mA, 0~10mA; external
power supply: 24V DC, 12V DC, optional RS485 communication interface.
Dimensions: 160×80×125 or 80×160×125.
Display instrument: used for liquid quantitative filling or batching control, basic
