1、 Product Introduction
1. Support the use of one meter with multiple cards, one card with multiple meters, or multiple meters with multiple cards
2. Capable of cyclically displaying version number, system number, date, time, number, rate, and cumulative function
3. Choose between two card swiping modes and two billing modes
4. Swipe card mode: 1. Start using after inserting the card, stop using after removing the card; 2. Start using the card for the first time and stop using it again.
5. Billing mode: 1. Measurement fee (unit: kW.h）； 2. Time based charges (in seconds)
6. The management (recharge) machine is convenient to use, easy to operate, and can issue, recharge, and query IC cards anytime, anywhere
7. Integrate the one card system according to customer needs
8. Can simultaneously use our company's one meter multi card water control machine

2、 Technical parameters:
1. Read/write card type: compatible with MIFARE standard cards (S50, S70)
2. Working frequency: 13.56MHz
3. Read and write time:<0.2 seconds
4. Read and write distance: 15mm -30mm (can hold card)
5. Card issuing capacity: 100000 cards
6. Storage capacity: Accumulated total consumption amount
7. Billing accuracy: 0.001 yuan, 1 second
8. Suitable for water temperature: 1 ℃ -80 ℃
9. Working voltage: DC12V ± 5%
10. Usage environment: Temperature -20 ℃ -60 ℃, relative humidity: 10% -90%

3、 Product Usage:
Irrigation of farmland wells can be equipped with AC contactors of different specifications based on the power of motors (water pumps); The RF card farmland irrigation well controller is a high-tech product designed specifically for charging fees for farmland water conservancy well irrigation. This device needs to be used in combination with a three-phase energy meter, AC contactor, motor protector, and other protective components to deduct electricity bills through the pulse of the energy meter.