STS Keypad Prepaid Water Meter
STS keypad prepaid water meter combining a dry-type mechanical multijet sensor with a certified STS prepayment valve for utility revenue collection.
One of the earliest STS-certified prepayment meters, built to withstand harsh tropical operating conditions and intermittent supply.
Specification tables
Core values are placed before product narrative so buyers can verify fit quickly.
Dimensions
DN15-DN25| Size | L (mm) | D | h | B (mm) | H (mm) |
|---|---|---|---|---|---|
| DN15 | 195 | G3/4 | 117 | 85 | - |
| DN20 | 195 | G1 | 117 | 85 | - |
| DN25 | 225 | G1.25 | 117 | 85 | - |
Operating values
MID| Spec | DN15 | DN20 | DN25 | DN32 | DN40 | DN50 |
|---|---|---|---|---|---|---|
| Q4 overload (m3/h) | 3.125 | 5 | 7.875 | n/a | n/a | n/a |
| Q3 permanent (m3/h) | 2.5 | 4.0 | 6.3 | n/a | n/a | n/a |
| Q1 minimum (m3/h) | 0.031 | 0.050 | 0.078 | n/a | n/a | n/a |
| R (Q3/Q1) | 80 | 80 | 80 | n/a | n/a | n/a |
Accuracy environmental Class B / R250-400.
Static consumption under 20uA with a 6-10 year meter life.
Features and compliance
STS keypad prepaid water meter combining a dry-type mechanical multijet sensor with a certified STS prepayment valve for utility revenue collection.
Features
6 pointsSTS-compliant prepayment via motorized valve, certified by the STS Association (South Africa)
Dry-type mechanical register eliminating condensation and dial fogging
Magnetic interference protection and automatic valve/memory fault diagnosis
Adjustable emergency credit and low-credit warning levels
Compatible with the FasFlow vending management system for step-tariff and multi-fee billing
12-key international keypad with text feedback
Standards and limits
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