Measure principle: ultrasonic flowmeter uses the method of ultrasonic transmission time to measure the flow rate without moving parts. The ultrasonic is transmitted in the direction of water flow water in the measuring pipe and then return. The flow velocity is calculated by measuring the time difference between the two ultrasonic.

Message

1、Measuring accuracy:1%

2、Working power supply：isolated DC8-36V or AC85-264v

3、Power dissipation : work electric current 50mA(under the conditions don’t connect the keyboard and the buzzer doesn’t ring).

4、output: 1-line sign brick isolation RS485 output;

　　1-line isolation 4-20mA or 0-20mA output ( with or without power supply);choosing the HART protocol;

　　Double isolation OCT output (OCT1 the pulse width is programmed during the pulse 6-1000ms,generally default 200ms)

　　1-line double direction serial peripheral universal interface, It can connect many external equipments in using series form connection,such as 4-20mA analog output board,frequency signal output board,thermal printer ,date recorder and so on.

5、 input: 3-line 4-20mA analog input circuits.

6、 Display:2*10 chinese character backlight display(Both Chinese and English are choose)

7、Operating:16 key or 4 key windowing operation.

8、Other function: the first 512 days ,the first 128 months and the first 10 years of positive and negative net cumulative flow are automatically memorize ,and the first 30 times of power on and power off time and flow can be supplemented automatically or manually,and can be read out through the MODBUS protocol;

9、Flow sensors: external application type,plug-in type and pipe type.

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