1.NB-IoT water meter, based on narrow band internet of things technology.
2.Power: 26500+SPC1520 type battery, external installed for easily replacing.
3.Low power consumption, lifespan of battery is more than 6 years.
4.Uploads data on the lock time once a day（set on software platform）.
5.Uploads data by manual activating out of the lock time.
6.Communication Contents: Accumulating amount of water consumed, remaining balance,
voltage of battery, valve status(open or close), interfere by magnetic and it’s times, control
valve , prepaying credit.
RF Card Functions
1.Prepaying credit by RF card.
2.Early Warning: When the remaining balance reach 2¥(set according to user's requirement),
the valve promptly closes, reminding users to buy water as soon as possible; at this time,
the valve can be opened by sweeping the RF card.
3.Cleaning valve for moving smoothly by closing and opening valve automatically once a
month or twice a month.
4.Low-power Warning: When the power is insufficient, the LCD displays it, prompting repla-
cement of battery timely.
5.Close Valve when Low-power: If the battery is not replaced in time after low-power warning,
the valve will close and will open after replacing battery.
6.Checking Readings: It will display the remaining balance and the accumulating amount of
water consumed, price, etc. when sweeping RF card.
7.Anti-plugging Function: The program automatically cleans the valve(by closing and opening)
once a month to avoid valve plugging.
8.Stepped Pricing:3 steps price monthly. Return to first step at the beginning of every month.
9.Self-service charging terminal: It is available for easy to charge nearby and at all day time.