![Energy meters, SonoSafe 10, 20 mm, qp [m³/h]: 2.5, Heating, Battery 1 A-cell, No (Standard)](https://assets.danfoss.com/photos/preview/121251/ID276946982725-0101_preview.jpg?w=96&h=96 "Energy meters, SonoSafe 10, 20 mm, qp [m³/h]: 2.5, Heating, Battery 1 A-cell, No (Standard)")
Energy meter for residential applications
| Gross weight | 1.08 kg |
| Net weight | 0.76 kg |
| EAN | 5702425127267 |
| Gross weight | 1.08 kg |
| Net weight | 0.76 kg |
| EAN | 5702425127267 |
| Accuracy standard | Class 2 to EN1434 |
| Ambient class | E1 / M2 |
| Ambient humidity [% RH] [Max] | 95 % RH |
| Ambient temperature [°C] [Max] | 55 °C |
| Ambient temperature [°C] [Min] | 5 °C |
| Application | Heating |
| Approval authority | Force Certification |
| Approved meteorological range [°C] [Max] | 95 °C |
| Approved meteorological range [°C] [Min] | 5 °C |
| Battery lifetime [Years] | 10 yr |
| Cable length between calculator and flow sensor [m] | 0.5 m |
| Commissioning tool | SonoApp |
| Connection size | G 1 |
| Connection types | Thread |
| Description | Energy meter for residential applications |
| Diameter [mm] | 20 mm |
| Difference temperature limits (Accounting) [K] [Max] | 90 K |
| Difference temperature limits (Accounting) [K] [Min] | 3 K |
| Display type | LCD |
| Energy unit | kWh (without digit after comma) |
| Flow measuring principle | Ultrasonic |
| Housing color | RAL 9010 White |
| Installation | Return |
| Interface module slot 1 | No (Standard) |
| IP protection class | IP 54 |
| Length [mm] | 130 mm |
| Log storage duration [Month] | 24 mo |
| Log storage interval [Month] | 1 mo |
| Material in contact with medium | Brass sensor |
| Media | Heating system according to VDI 2035 |
| Media temperature [°C] [Max] | 95 °C |
| Media temperature [°C] [Min] | 5 °C |
| Pressure nominal [bar] | 16 bar |
| Product group | Energy meters |
| Protection class calculator | IP54 |
| qc [m³/h] | 0.005 m³/h |
| qi [m³/h] | 0.025 m³/h |
| qp [m³/h] | 2.5 m³/h |
| qs [m³/h] | 5 m³/h |
| qss [m³/h] | 5.5 m³/h |
| Storage temperature [°C] [Max] | 60 °C |
| Storage temperature [°C] [Min] | -25 °C |
| Supply voltage [V] DC | 3.6 V |
| Supply voltage type | Battery 1 A-cell |
| Temperature sensors cable length [m] | 1.5 m |
| Temperature sensors type | Pt 1000 |
| Type | SonoSafe 10 |
| Accuracy standard | Class 2 to EN1434 |
| Ambient class | E1 / M2 |
| Ambient humidity [% RH] [Max] | 95 % RH |
| Ambient temperature [°C] [Max] | 55 °C |
| Ambient temperature [°C] [Min] | 5 °C |
| Application | Heating |
| Approval authority | Force Certification |
| Approved meteorological range [°C] [Max] | 95 °C |
| Approved meteorological range [°C] [Min] | 5 °C |
| Battery lifetime [Years] | 10 yr |
| Cable length between calculator and flow sensor [m] | 0.5 m |
| Commissioning tool | SonoApp |
| Connection size | G 1 |
| Connection types | Thread |
| Description | Energy meter for residential applications |
| Diameter [mm] | 20 mm |
| Difference temperature limits (Accounting) [K] [Max] | 90 K |
| Difference temperature limits (Accounting) [K] [Min] | 3 K |
| Display type | LCD |
| Energy unit | kWh (without digit after comma) |
| Flow measuring principle | Ultrasonic |
| Housing color | RAL 9010 White |
| Installation | Return |
| Interface module slot 1 | No (Standard) |
| IP protection class | IP 54 |
| Length [mm] | 130 mm |
| Log storage duration [Month] | 24 mo |
| Log storage interval [Month] | 1 mo |
| Material in contact with medium | Brass sensor |
| Media | Heating system according to VDI 2035 |
| Media temperature [°C] [Max] | 95 °C |
| Media temperature [°C] [Min] | 5 °C |
| Pressure nominal [bar] | 16 bar |
| Product group | Energy meters |
| Protection class calculator | IP54 |
| qc [m³/h] | 0.005 m³/h |
| qi [m³/h] | 0.025 m³/h |
| qp [m³/h] | 2.5 m³/h |
| qs [m³/h] | 5 m³/h |
| qss [m³/h] | 5.5 m³/h |
| Storage temperature [°C] [Max] | 60 °C |
| Storage temperature [°C] [Min] | -25 °C |
| Supply voltage [V] DC | 3.6 V |
| Supply voltage type | Battery 1 A-cell |
| Temperature sensors cable length [m] | 1.5 m |
| Temperature sensors type | Pt 1000 |
| Type | SonoSafe 10 |
