Smart STS Water Meters DN15mm DN20mm Token Water Meters

Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of smart sts water meters dn15mm dn20mm token water meters in China. If you're going to wholesale high quality smart sts water meters dn15mm dn20mm token water meters, welcome to get pricelist and quotation from our factory.

The meter supports the STS prepaid protocol. Tokens can be issued to the STS meter through the CIU, infrared unit, or meter keyboard to realize prepaid recharge, switch valve, and other functions. At the same time, the concentrator supports LORA wireless automatic communication between the meters during meter readings. Networking function, the network level can reach up to level 3, which greatly improves the receiving sensitivity.

The water meter has the characteristics of accurate billing, convenient use, and efficient management.

• Working frequency: 868MHz frequency band, can float up and down ±10MHz.
• Modulation method: LoRa linear frequency modulation.
• Power consumption: static average current <30uA, maximum power consumption during meter reading <2mA (use ER26500 lithium sub-ion battery to read the meter once a day and have a service life of not less than 6 years).
• Power supply voltage: 3.0V~3.6V.
• LoRa communication distance: no less than 1000 meters transmission distance (in open areas), and communication distance in residential areas no less than 300 meters.
• Operating temperature of electrical parts: -40℃~85℃.
• Working humidity of electrical parts: 10% ~ 90%.
• Valve switch timeout waiting: 20 seconds.
• Valve blocking current: ≥260mA.
• The maximum instantaneous drive current of the valve: >800mA.
• Pulse sampling period: 0.25 seconds.

• Non-magnetic/magnetoresistive metering, use commands to switch.
• The number of steps that can be set is no less than 10.
• Through the communication tool, the meter can be initialized (reset the water meter), and the meter serial number, meter base, working frequency, network ID, recharge water volume, step water volume, overdraft volume, alarm information, hoarding volume, holiday water consumption, Flow information, valve control, pulse equivalent, date rollover, manufacturing or repair TID for read and write operations.
• Monthly water consumption data (date, cumulative usage, alarm information) can be stored for 10 years.
• Sound alarm function: The meter emits an alarm sound once the alarm is triggered.
• The watch has a reserved upgrade port for firmware upgrades.

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