Nguồn gốc:
Hồ Nam, Trung Quốc
Hàng hiệu:
Stron
Chứng nhận:
STS Certificate,ISO9001,ISO14001
Số mô hình:
STW36
| Function | Details |
|---|---|
| Prepayment | STS Standard, recharge by input 20digits TOKEN |
| Low credit alarm | Alarm value can be set by inputting corresponding TOKEN |
| Prepaid and post-paid switch | Meter can be switch to prepaid mode or post-paid mode |
| Non-return valve | Non-return valve inside for preventing back-flow |
| Anti-tamper | Meter will automatically close the valve after detection of magnetic field and open cover event |
| Step Tariff | Step Tariff can be set by inputting corresponding TOKEN |
| Overdraft Collection | Non-Revenue gas (Overdraft) can be collected day by day or month by month |
| Communication | Available with AMI system through LORA RF or Bluetooth 4.0 on request |
| Information Inquiry | Consumer could check data like Credit Remain, Total Purchased and Total Credit by input the short code |
| Size | DN15mm 1/2" | DN20mm 3/4" | DN25mm 1" |
|---|---|---|---|
| Overload flow rate Q4 | 3.13 | 5 | 7.875 |
| Permanent flow rate Q3 | 2.5 | 4 | 6.3 |
| Transitional flow rate Q2 | 0.04 | 0.064 | 0.1 |
| Minimum flow rate Q1 | 0.025 | 0.04 | 0.063 |
| Ratio "R" Q3/Q1 | 100 | 100 | 100 |
| Maximum working pressure | 16Bar | 16Bar | 16Bar |
| Maximum pressure loss | 0.6Bar | 0.6Bar | 0.6Bar |
| Maximum reading | 99999 | 99999 | 99999 |
| Max temperature | 50℃ | 50℃ | 50℃ |
| Error Q1≦Q≦Q2 | 5% | 5% | 5% |
| Error Q2≦Q≦Q4 | 2% | 2% | 2% |
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