| Item |
FQ Prepaid Gas Meter |
| Model |
G1.6 |
G2.5 |
G4.0 |
G6.0 |
| Permanent Flowrate |
1.6 m³/h |
2.5 m³/h |
4.0 m³/h |
6.0m³/h |
| Maximum Flowrate(qmax) |
2.5 m³/h |
4 m³/h |
6 m³/h |
10m³/h |
| Minimum Flowrate(qmin) |
0.016 m³/h |
0.025 m³/h |
0.040 m³/h |
0.06 m³/h |
| Transitional Flowrate (qt) |
0.25 m³/h |
0.4 m³/h |
0.6 m³/h |
1.0 m³/h |
| Initiate Flowrate |
≤3 dm³/h |
≤5 dm³/h |
≤5 dm³/h |
≤5 dm³/h |
| Total Pressure Loss |
≤120Pa |
≤200Pa |
≤250Pa |
≤250Pa |
| Cyclic Volume of Gas Volume Meter |
1.20dm³ |
3.50dm³ |
| Minimum Reading |
0.0002m³ |
0.0002m³ |
| Maximum Reading |
99999m³ |
99999m³ |
| Accuracy Level |
Class 1.5 |
Class 1.5 |
| Leak Tightness |
No leak when ≤15kPa |
No leak when≤45kPa |
| Working Pressure |
≤10kPa |
0.5kPa～30kPa |
| User Steal Gas Power |
Close valve automatically and remind the user |
| Security of IC Card |
One meter with one card, cannot be replicated |
| Service Life of IC Card |
Using Times≥100,000 Times |
| Way of Alarming |
Close valve to alarm |
| Amount of Alarming |
2 m³、50 m³ (Purchasing amount for one time＞255 m³,the alarming amount will be 50 m³); can also set the alarm from1～255m³ |
| Power supply |
3 pieces of 1.5V AAA alkaline dry batteries |
| Working Current of Static State |
≤20μA |
| Basic Error |
qmin≤q＜qt: ≤±3％; qt≤q≤qmax ≤±1.5％ |
| Working Temperature |
-10℃～40℃ |
