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ISO First Class Pyranometer
MS-402/MS-402F
Pyranometer MS-402/MS-402F

- MS-402 is the precision pyranometer for the global solar radiation measurement.
- MS-402 meets the performance criteria of the ISO First Class pyranometer.
- The detector of MS-402 is protected from the environmental effects like wind by adopting the double glass domes design.
- MS-402F is MS-402 with the ventilation system, which prevent the influence of frost, snow and dust.


Specificastions MS-402 / MS-402F
ISO 9060 classification First Class
Response time 95% (sec) 8
Zero offset
- Thermal radiation(200W/m²) + 6W/m²
- Temperature change (5K/hr) ± 2W/m²
Non-stability(change/year) ± 0.5 %
Non-linearity(at 1000W/m²) ± 0.2 %
Directional response(at 1000W/m²) ± 20 W/m²
Spectral selectivity(0.35-1.5µm) - 2.1 %
Temp. response(for 50°C band) < ± 1 %
Tilt response(at 1000W/m²) < ± 0.2 %
Sensitivity(mV/kWm²) Approx. 7
Impedance (Ω) Approx. 500
Operating temperature, °C - 40 to +80
Cable length 10m
Wavelength range (more than 50% of transmittance) 305 to 2800 nm

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