New Design Sts Pre Paid Smart Water Meter with Standard Sts Encryption

Product Description

The data transmission method is safe and reliable. The STS code prepaid water meter transmits a series of prepaid management related instructions such as water purchase code, encryption and decryption, key management, etc. according to the STS standard protocol. It has the characteristics of unique key, unique code, unique verification, etc., which fully ensures the security of code data.
STS prepaid keyboard integrated water meter uses encrypted 20-bit code as the transmission medium, with high data security, beautiful appearance and easy operation. STS nylon shell prepaid water meter balance alarm to prevent arrears, remote keyboard control, cardless recharge. It can be used for testing water and recharge water in residential buildings, enterprises and institutions. It is an ideal metering and charging instrument for modern management of water fees and management departments.

Working voltage	+2.8~6 V
Receving current	less than 20 mA
Transmitting current	no more than 130 mA
Valve Electrical parameters	voltage 2.8~6 V
	Current ≤ 160 mA
	Sleeping current ≤ 10 uA
Battery life	more than 6 years
Average operating current	less than 20 uA

Essential function

Realize the switching of prepaid and postpaid modes

The remaining water volume is automatically shut down when it is used up.

Without wiring, it can realize the functions of remote centralized reading, recharging and valve control.

Adopt the LoRa communication module.

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