（工厂水控机学校水控机）功能特点： Dial NB Bluetooth code scanning card water control machine (factory water control school water control machine) Features:
1. It has the function of suspending water overtime deduction to improve the use efficiency of water venues such as bathhouses.
2. Display the water deduction amount, balance, and prompts when critical values are used.
3. Fully waterproof design. The keyboard and the upper and lower shell interfaces are waterproofed by silicone seals.
4. Run online and charge by time. You can set the billing time and amount freely after spending first.
5. Unique water-saving design, using dual methods of card reading / code scanning and button switch to control water. After inserting the card, press the button “On” to control the water output; remove the card or press the button “Off” to stop the water output. , The operation is more humane and highlights the water-saving function.
6. Unique power-saving design, the device will automatically power off when no card is read or no button operation, and it will automatically turn on after re-reading the card or button.
7. When using the metering method to deduct fees, the rate can be flexibly designed to meet various needs.
8. With the flow meter, you can use the flow meter to deduct fees, which is more scientific, fair and reasonable.
9. The system is simple to install, and the user can recharge easily and conveniently. There are two ways to recharge through the self-service recharge machine and the management center.
10. Support two independent wallets for corporate subsidies and personal cash. The total amount of the card wallet can reach 20 million yuan, and the single larger consumption amount can reach 99999.99 yuan.
11. With a lower consumption function, a certain amount on the card is deducted in advance, and after a certain amount of time or amount of water flows, the normal rate is deducted. Ideal for public showers.
12. The subsidy clearing date can be set when the subsidy is issued. When the subsidy macro redemption date is reached, the remaining amount of the subsidy at the time of consumption is automatically cleared.
13. It can be seamlessly connected with devices such as access control, consumption, and attendance.
（工厂水控机学校水控机）技术参数： Dial NB Bluetooth code scanning card water control machine (factory water control school water control machine) technical parameters:
Card reading type: Philips M1 non-contact IC card and compatible card, CPU card billing accuracy: 0.01 yuan timing accuracy: 1 second measurement accuracy: minimum 0.1 liter (specifically related to the selected flow meter)
Power: DC12V; power <1.5W;
Display: 7-digit digital display;
Working environment: temperature: 0 ℃ ～ 70 ℃; humidity: 10% ～ 90%;
Card reading type: IC series is MIFARE ONE card / CPU card;
Card reading frequency: IC series is 13.56MHZ;
Read and write distance: ≥40mm;
Read and write time: ≤100ms;
Blacklist storage number: 30,000;
Storage records: 30,000 communication methods: Bluetooth, NB Internet of Things <br /> Card volume: unlimited data storage: FLASH saves data without losing power when displayed: 7-bit LED display Working voltage: DC12V, power consumption less than 1.5W
Ambient temperature: 0 degrees to 60 degrees Control method: solenoid valve to control water output (12V / 1A)
CPU: The main chip adopts 32-bit ARM7 single-chip microcomputer produced by ST company, the function expansion is more convenient. Communication distance: within 10 meters of Bluetooth, NB according to the network
（工厂水控机学校水控机）应用领域： Dial NB Bluetooth Code Scanning Card Water Control Machine (Factory Water Control School School Water Control Machine) Application Area:
Suitable for schools, factories, hospitals, public bathrooms, enterprises, governments, hotels, bathrooms, bathhouses, water rooms, bathrooms, apartment toilets and other places that need water saving.