Smart Electric Meter
Smart Water Meter
Energy Consumption Solution
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STS IR Keypad Prepayment Water Meter
1. DN15, 20 and 25
2. Perfectly water tight (IP67 above) for all harsh and humid environment
3. Light and easy to handle
4. Prepaid and post-paid mode swappable
5. Low power usage and low failure rate
6. Over 10 years’ data storage in absence of power
7. Prepared for AMR functions with RF, MODBUS, and RS485 (on request)
8. Available with EMC, ESD, EMI approval
9. Recharging by inputting 20 digtis Token in IR keypad
Metrological parameters- Directive 2004/22/EC(MID)&EN 14154:2007
Nominal size |
|
Dn |
mm |
|
in-line |
|
|
15 |
20 |
25 |
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Maximum flow rate |
|
Q4 |
m3/h |
3.125 |
5.0 |
7.875 |
Ratio “R” |
|
Q3/Q1 |
|
80 |
80 |
80 |
Permanent l flow rate |
|
Q3 |
|
2.5 |
4.0 |
6.3 |
Transitional flow rate |
|
Q2 |
m3/h |
0.05 |
0.08 |
0.126 |
Minimum flow rate |
|
Q1 |
|
0.031 |
0.05 |
0.0787 |
Minimum reading |
|
m3 |
|
0.0005 |
|
|
Maximum reading |
|
|
99999 |
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Maximum Permission Error (MPE) |
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Q1≦Q≦,Q2 MPE =+ 5% |
Q2≦Q≦Q4, MPE= + 2% (For hot water metering, MPE=+ 3%) |