Measurement method

Ultrasonic dual channel

Valve control

Open and close the valve remotely, open in place, close in place

Anomaly alert

Abnormal fault reporting、Battery voltage alarm

Valve alarm

Close half of the valve when valve goes wrong

Battery voltage alarm

Alarm when power is lower than 10%

ATC alarm

ATC alarm

Countercurrent alarm

Countercurrent alarm

Backup protection

Power is lower than 5%, backup power will start, and work continuously for 7 days

Historical data storage

Store hourly, daily, and monthly data for 90 days

Indicator light

Communication light、Trigger light

Periodic reporting

Periodic reporting data

Transportation mode

Turn off pulse, turn off communication, and maintain ultra-low power operation

Strong magnetic interference

Close valve to protection when strong magnetic interference

Wireless communication

Lorawan

Verification mode

 Calibration: flow L, pulse, flow rate L/h

Low power consumption as low as 12-20 UA (sleep current), high cost performance, ultra-small size, high reliability (-40 To 85℃ temperature experiment), rich peripherals

Supply voltage

Main power:3.6V Backup power:3.6V

Power supply mode

Main power + Backup power

Screen display

Electronic display, magnet switch screen

Ambient temperature

-40 TO 85

External transport

Wireless communication, Lorawan works on ClassA,ClassB

Motor port

Positive, negative, open in place, close in place

External storage

256K

AT settings

Pin type(4 Pin)

Communication distance

2-3KM

Spring button

Touch

Sleep current

12-20UA

Communication current

20MA

Protocol

Big-end mode  hexadecimal

Indicator light

LED red green

Display

Digital display

Wireless communication

Lorawan low frequency、high frequency

Frequency Range

EU433,CN470,EU86,IN868,AU915,US915,AS923

Uart

Four wire