Prepayment Gas Meter

Features: 1. Valve closes automatically when the balance reaches 5 m3 or 2 m3 ,and can be re-opened by pressing the “Start” key on the board 2. Valve closes automatically when the balance reaches 0 m3, , it won’t open until the meter is recharged. 3. Anti-explosion Technical Parameters 4. Power supply: Three Alkaline Batteries 5. Working Voltage:3.0V-4.5V 6. Average Power Consumption of Static Electric Current: less than 18µA 7. Average Consumption Of Counting:150µA/60ms 8. Operation Consumption: 1Ma 9. Cut-off Method: Motor Valve 10. Minimum Display Value: 0.1 m3 11. Maximum Amount Pre-payable: 990 m3 12. Measurement Accuracy: Grade B Main Performance Specification Model Number DYQ-2-1.6DYQ-2-2.5DYQ-2-4Nominal Flow Rate m3 /h 1.62.54Maximum Flow Rate m3 /h 2.546Minimum Flow Rate m3 /h 0.0160.0250.040Working Pressure Pa 0.5Basic Error % Qmin≤Q≤0.1Qmax: ±3 ; 0.1Qmin≤Q≤0.1Qmax: ±1.5 Leak-proofness Pa No leakage below 15kpaPressure Loss Pa ≤250Maximum Reading m3 99999.9Minimum Reading m3 0.2Working Temperature -10 40