SMP21 Pyranometer
The SMP21 is a spectrally flat Class A pyranometer that combines the sensor technology from the CMP21, has the RS-485 Modbus® interface, analogue output, low maintenance.
The SMP21 has an internal desiccant that will last for at least 10 years. This minimizes maintenance significantly.
- ISO 9060 spectrally flat Class A
- Individual temperature correction from -40°C to +80°C
- No change of desiccant for 10 years
- RS-485 Modbus® communication
| Specifications | SMP21 |
| Classification to ISO 9060:2018 | Spectrally Flat Class A |
| Analogue output range* | -200 to 2000W/m² |
| Serial output range | -400 to 4000W/m² |
| Response time (63%) | < 0.7s |
| Response time (95%) | < 2s |
| Temperature response |
< 0.3% (-20°C to +50°C) < 0.3% (-40°C to +70°C) |
| Software, Windows™ | SmartExplorer software, for configuration, test and data logging |
| Operating temperature range | -40°C to +80°C |
| Humidity range | 0 to 100% |
| IP Rating | IP67 |
| Recommended applications | Meteorological networks, reference measurements in PV monitoring, extreme climates, polar or arid |
