home > products & services > water meters > SmartFlow™ water meters > technical
Download the SmartFlow™ PDF brochure (0.7MB)
| Feature | Detail |
|---|---|
| Principle of operation | Ultrasonic transmit time using inline flow cell |
| Approvals | OIML R49-1 |
| Battery life | 15 years |
| Temperature tolerance | 85°C ambient and 60°C water |
| Pressure rating | 20 Bar (Max. Operating Pressure) 32 Bar (Max. Tested Pressure) |
| Display | 9 digit LCD |
| Enclosure rating | IP68 to BS EN 60529 : 1992 |
| Interfaces | 4 pin IP68 rated connector giving: - NPN open collector pulse output - Interface to SmartFlow™ Inductive Touch pad - Serial interface for AMR using SmartFlow™ communications protocol |
| Materials | Wetted parts: EMS Grivory HTV-4X1 black 9225 (WRAS listed). Other parts: Polycarbonate |
| Reverse flow | Observed but not registered |
| Strainers/non-return valves | Not required to protect meter |
| Product | SF150 | SF200 | SF250 | SF400 | SF500 | |
|---|---|---|---|---|---|---|
| Nominal Bore and Fitting (BSP) | Mid Range flow | 15mm (½") | 20mm (¾") | 25mm (1") | 40mm (1½") | 50mm (2") |
| Low Flow (l/h) | Qmin | 15.0 | 25.0 | 35.0 | 100.0 | 150.0 |
| Q1 | 15.6 | 25.0 | 40.0 | 100.0 | 156.0 | |
| Transitional Flow (l/h) | Qt | 22.5 | 37.5 | 52.5 | 150.0 | 220.0 |
| Q2 | 25.0 | 40.0 | 63.0 | 160.0 | 250.0 | |
| Nominal Flow (m³/h) | Qn | 1.5 | 2.5 | 3.5 | 10.0 | 15.0 |
| Mid Range Flow (m³/h) | Q3 | 2.5 | 4.0 | 6.3 | 16.0 | 25.0 |
| High Flow (m³/h) | Qmax | 3.0 | 5.0 | 7.0 | 20.0 | 30.0 |
| Q4 | 3.1 | 5.0 | 7.9 | 20.0 | 31.2 | |
| Head Loss at Max Flow (m³/h) | Q3 | <0.5 Bar | <0.5 Bar | <0.5 Bar | Zero | Zero |
| Dimensions (mm) | Length | 145 | 200 | 200 | 245 | 245 |
| Height | 120 | 164 | 164 | 157 | 157 | |
| Meter Weight (kg) | 0.5 | 0.6 | 0.7 | 1.0 | 1.0 |
Español
Português
Türkçe 