DN20 R160 Prepaid Water Meter Split Type With STS Certified
Basic Functions
✽ Meter Recharge: By inputting 20 digits Token.
✽ Low Credit Alarm: Alarm value can be set by inputting corresponding TOKEN.
✽Non-return valve: Non-return valve inside for preventing back-flow.
Anti-Tamper Functions:
Meter will automatically close the valve after detection of magnetic field and open cover event.
Step Tariff:
Meters can be set Step Tariff by inputting corresponding TOKEN. Utilities can set step price on request.
Overdraft Collection:
Non- Revenue water (Overdraft) can be collected day by day or month by month.
Metrological Parameters of different size
Information Inquiry:
Consumer could check the 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 | 3.125 | 5.0 | 7.875 | |
| Permanent l flow rate Q3 | 2.5 | 4.0 | 6.3 | |
| Transitional flow rate Q2 | 0.025 | 0.040 | 0.063 | |
| Minimum flow rate Q1 | 0.0156 | 0.025 | 0.0393 | |
| Ratio ”R” Q3/Q1 | 160 | 160 | 160 | |
| 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% |
| Q2≦Q≦Q4 | 2% | 2% | 2% | |
Meter Dimensions
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