1、 Characteristics of prepaid water meters:

The RF card is easy to operate; The body is fully sealed and waterproof, and can be fully immersed in water for normal use;

One household, one meter, record water flow rate; Supports one card with multiple meters, including cold, hot, medium, and pure water meters, electricity meters, and gas meters;

◎ Insufficient remaining water, close valve alarm, insert card to open valve; The valve is closed when the remaining water level is zero, and users can only use water after purchasing water again.

Detailed and vivid LCD display, with no loss of data in case of power failure;

◎ Adopting patented ball valves, high temperature resistance, low power consumption, and small pressure loss;

Micro power consumption design, battery life greater than 6 years, low battery level display alarm indication;

Adopting dual sampling patented technology, anti magnetic and anti-interference, accurate measurement

The D-type waterproof water meter is widely used in households, apartments, commercial buildings, and other places where tap water and hot water are charged per household.

2、 Technical parameters of prepaid water meter:

◎ Nominal caliber: 15mm, 20mm, 25mm

◎ Work pressure: 1MPa

◎ Pressure loss:< 0.1MPa

◎ Measurement level: B level

◎ Technical standards: CJ, T133-2001 and GB, T778.1 standards

The basic allowable error meets the requirements of GB/T778.1B level table

◎ Large reading: 99999.9 cubic meters

◎ Applicable water temperature: 0-40 ℃ (cold water gauge), 0-90 ℃ (hot water gauge)