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SVIL/R RF Card Smart Water Meter

RF card prepaid mode

Battery can be replaced

Smart cold/hot water metering device

High reliability and low power consumption

SVIL/R RF Card/RF CPU Card Cold/Hot Smart Water Meter is a smart cold/hot water metering device with prepaid function. It is based on a wet water meter and is composed of a high-reliability automatic control device. And combined with the water sales system to achieve prepaid management and control functions; it is an intelligent water metering product that integrates prepayment, status alarm, and prevention of improper use. It is an ideal smart water metering and charging device for water supply companies and water management departments.

★IC card prepaid★Multiple anti-theft designs
★High reliability, low power consumption★Battery can be replaced
★Warning reminder, LCD display★Valve self-maintenance
★Anti-magnetic interference, anti-disconnection attackData will not be lost when power off
Shut off valve when power off★Protection grade IP67
☆Communication method: M-Bus/RS-485☆Water, electricity, gas, heat in one card
☆Multi-level ladder water price☆Remaining usage is always displayed

★Basic function ☆Extended function

Specification:

Model sizeSVRL/R-15, SVRL/R-20, SVRL/R-25
Measurement range ratio(Q3/Q1)R=80,100,160
Working temperatureCold water meter: 0.1~30ºC; Hot water meter 0.1~90ºC;
Minimum allowable working pressure0.03MPa
Maximum working pressure1.0MPa
Pressure loss grade△P63
Environment humidity≤95%
Climate and mechanical environment safety gradeB
Electromagnetic CompatibilityE1
Service life>6 years
Accuracy classClass 2
Static working current≤5μA(VDD=3.6V)
Communication methodM-BUS(RS-485 can be optional)


Flow-rate parameter (R=100)

Nominal diameter (mm) DN 15DN 20DN25
Dimension (mm)165 x 91 x 350195 x 91 x135225 x 91 x135
Permanent flow-rate Q3(m3/h)2.54.06.3
Minimum flow-rate Q1(m3/h)0.0250.040.063
Transitional flow-rate Q2(m3/h)0.040.0640.1008
Overload flow-rate Q4(m3/h)3.1255.07.875


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