The MS-57SH Pyrheliometer is an ISO 9060:2018 Class A direct normal irradiance (DNI) sensor engineered for high-precision solar radiation measurements. Designed for continuous outdoor operation, it delivers ultra-fast response, exceptional long-term stability, and World Radiometric Reference (WRR)-traceable accuracy. Featuring integrated window heating, advanced digital communication, and built-in diagnostics, the MS-57SH is the ideal choice for solar energy, meteorological, and scientific monitoring applications.
Specifications
| ISO 9060:2018 | Class A |
|---|---|
| Response time 95% | < 0.2 Sec |
| Zero offset A – Thermal radiation (200W/m²) | 0 W/m² |
| Zero offset B – Temperature change (5K/hr) | ± 1W/m² |
| Zero offset C – Total zero off-set | ± 1W/m² |
| Non-stability (change/year) | < 0.5%/5 years |
| Non-linearity (at 1000W/m²) | ± 0.2% |
| Spectral Error | ± 0.2 % |
| Temperature Response (-30°C to 60°C) | ± 0.5% |
| Temperature Response (-40°C to 70°C) | ± 1% |
| Tilt Response (0-90° | 1000W/m²) | ± 0.2% |
| Wavelength Range | 200 to 4000 nm (50% points) |
| Irradiance range (W/m²) | 0 to 4000 |
| Operating temperature | -40 to 80°C |
| Signal Output | Modbus RTU / SDI-12 |
| Sensor Diagnostic | Relative Humidity ± 2% Temp. ± 0.1% / Tilt Angle ± 1° |
| Additional signal processing error | < 1W/m² |
| Ingress protection | IP67 |
| Supply voltage range | 8 to 30 VDC |
| Power Consumption | <1.4W |
| Standard Cable Length | 10m (Optional lengths 20m, 30m, 50m) |
Environmental Monitoring
Meteorological Stations
Solar Assessment
Photovoltaic Monitoring
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