KM03-08
Multi-jet STS Keypad Prepaid Water Meter With Handheld Keyboard
Dry style Multi-Jet Wireless Remote Valve Control Prepaid Class B (R80/R100) with Intensive Data Collection
Application: The multi-jet is an STS (Standard Transfer Specification) compliant, keypad-input type,
electronic valve-controlled prepayment water meter. This meter type is IP67 protection from dust and flood
and can survive in a server environment. The base meter has been supplied and proven by millions of service connections for reliable and cost-effective consumption measurement. Operating with CIU, the meter can vastly reduce the tamper.
Description
1. Features
2. Head Loss Curve

3. Accuracy Error Curve
4. Installation Dimension

| Item No | 15 | 20 | 25 | 32 | 40 | 50 | |
| 1/2” | 3/4” | 1” | 1-1/4” | 1-1/2” | 2” | ||
| L1 | mm | 165 | 190 | 225 | 230 | 245 | 280 |
| L | mm | 190 | 225 | 260 | 260 | 300 | 300 |
| H | mm | 104 | 106 | 114 | 117 | 147 | 172 |
| W | mm | 99 | 99 | 103 | 104 | 124 | 125 |
| Connection Thread | D(mm) | G3/4B | G1B | G1-1/4B | G1-1/2B | G2B | G2-1/2B |
| Flange | |||||||
5. Main Technical Data
| DN | MM | 15 | 20 | 25 | 32 | 40 | 50 |
| Size | INCH | 1/2” | 3/4” | 1” | 1-1/4” | 1-1/2” | 2” |
| Q4 | M3/h | 3.125 | 5 | 7.875 | 12.5 | 20 | 30.25 |
| Q3 | M3/h | 2.5 | 4 | 6.3 | 10 | 16 | 25 |
| Q2 | M3/h | 0.04 | 0.064 | 0.1 | 0.16 | 0.32 | 0.5 |
| Q1 | M3/h | 0.025 | 0.04 | 0.063 | 0.1 | 0.2 | 0.313 |
| Ratio “R” Q3/Q1 | 100 | 100 | 100 | 100 | 80 | 80 | |
| Max Pressure | Bar | 16 | |||||
| Maximum testing pressure | Bar | 24 | |||||
| Pressure loss | Bar | 0.63(As complete unit) | |||||
| Max Temperature | °C | 50 | |||||
| Working temperature | °C | 0-50 | |||||
| Max reading | M3 | 99999.9999 | |||||
| Minimum reading | M3 | 0.00005 | |||||
| Altitude | M | 400-1400 above sea level | |||||
| Maximum relative humidity | % | 95% | |||||
| Max permissible error(MPE) | % | Q1≤Q≤Q2 5% Q2≤Q≤Q4 2% | |||||
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