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

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• ISO 9060 classification: First Class
• Response time 95% (sec): 8
• Zero offset - Thermal radiation (200W/m²): < 6 W/m²
• Zero offset - Temperature change (5K/hr): < 2 W/m²
• Non-stability (change/year): < 0.5 %
• Non-linearity (at 1000W/m²): < 0.2 %
• Directional response (at 1000W/m²): < 20 W/m²

Model Number: MS-402/MS-402F
Data Sheet:

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Product Specification

MS-402 First Class Pyranometer Description
The MS-402 Pyranometer is a unique ISO First class pyranometer and best in its category. As the only first class sensor available on the market it has a built in electronic passive temperature compensating to linearize the detector temperature coefficient and make it accurate under all temperature conditions.

The design of the MS-402 First Class Pyranometer is very similar to the Secondary standard MS-802. Its robust brass mechanical construction makes it a durable sensor suitable to be used in harsh environments for routine global irradiance measurements. The MS-402 can be applied as multi purpose high quality monitoring sensor in the PV and Meteorological market. MS-402F is a MS-402 with 110VAC/12 VDC ventilation system to prevent any possible influence of frost, snow and dust.

MS-402 First Class Pyranometer Features
• Most accurate first Class Pyranometer
• Reponse time (95% < 8s)
• Temperature compensated <1% (for 50°C band)
• Near Secondary standard specifications

MS-402 First Class Pyranometer Specifications

Specifications (typical)	MS-402 / MS-402F
ISO 9060 classification	First Class
Response time 95% (sec)	8
Zero offset - Thermal radiation (200W/m²)	< 6 W/m²
Zero offset - Temperature change (5K/hr)	< 2 W/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)	< 1 %
Temp. response (for 50°C band)	< 1 %
Tilt response (at 1000W/m²)	< 0.2 %
Sensitivity (µV/W•m-2)	Approx. 7
Impedance (Ω)	Approx. 500
Operating temperature range (°C)	- 40 to +80
Cable length	10m
Wavelength range	285 to 3000 nm