ISO First Class Pyranometer - 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​

  • Model Number: MS-402/MS-402F
  • Data Sheet: Date Sheet File
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  • ISO First Class Pyranometer
  • ISO First Class Pyranometer
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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



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