Diameter 15mm 20mm 25mm MeasurementAccuracy Class 2.0 Class 2.0 Class 2.0 ConnectingThread G3/4B G1B G1-1/4B Metrologicalparametersfordifferent sizes DN15 DN20 DN25 OverloadflowrateQ4 3.13 5 7.87 Permanent flowrateQ3 2.5 4 6.3

Transitional flowrateQ2 0.04 0.064 0.1 Minimum flow rateQ1 0.025 0.04 0.063 Ratio

”R” Q3/Q1 100 100 100 AccuracyClass ClassB/ClassC

DisplayMode LCD, Digital, Pointer Communication 433MHz LORA-RF

Communication Distance with CIU/DCU 350m/ 900m MaximumReading 99999.9m³

Maximumpressure loss: <0.6Bar/0.06MPa PowerSupply LithiumbatteryER18505(4000mAh) 3.6V,4+yearslifespan

Current inWorking/Sleeping State ≤1.1mA /≤12uA Working Temperature <50℃(coldwatermeter) IPLevel IP68

NominalWorkingPressure 10Bar/1Mpa Maximum working pressure: 16Bar/1.6Mpa

Min.WorkingPressure 0.2Bar/0.02Mpa PermissibleError Q1≤Q≤Q2 5%; Q2≤Q＜Q4 2%

Features:The StronPay vending system can be adapted to various meter types (including electric meters, water meters and gas meters). The Microsoft SQL Server backend database management tool safeguards data security. Operation security is guaranteed by account permission management.

 Supporting APIs are available to facilitate users in expanding functions and meeting personalized needs of different business scenarios.