Rational Technologies

MS-711N Spectroradiometer

All-weather UV–Visible–NIR spectroradiometer for high-accuracy 300–1100 nm solar spectral irradiance measurement, featuring temperature-controlled detection, <7 nm optical resolution and NIST-traceable calibration.

Typical Applications

  • Photovoltaic research
  • CPV performance analysis
  • Solar spectral irradiance monitoring
  • Solar resource assessment
  • Spectral albedo measurement
  • Bifacial PV research
  • Meteorological research
  • Atmospheric spectral studies
  • Material and plant-science research
  • Travelling spectral reference measurements

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MS-711N Spectroradiometer

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All-weather UV–Visible–NIR spectroradiometer for high-accuracy 300–1100 nm solar spectral irradiance measurement, featuring temperature-controlled detection, <7 nm optical resolution and NIST-traceable calibration.

Typical Applications

  • Photovoltaic research
  • CPV performance analysis
  • Solar spectral irradiance monitoring
  • Solar resource assessment
  • Spectral albedo measurement
  • Bifacial PV research
  • Meteorological research
  • Atmospheric spectral studies
  • Material and plant-science research
  • Travelling spectral reference measurements

The MS-711N Spectroradiometer is a research-grade, all-weather UV–Visible–NIR solar spectral irradiance sensor designed for accurate outdoor measurements from 300 to 1100 nm. Its new-generation grating optical system, temperature-controlled detector core, high optical resolution below 7 nm and NIST-traceable calibration provide stable spectral measurements for photovoltaic research, solar-resource assessment and scientific monitoring. With no moving optical components, RS-422/RS-232 communication and compatibility with EKO STR-Series sun trackers, the MS-711N is suitable for permanent monitoring stations as well as travelling reference measurements. It also forms the shortwave component of both the WISER I and WISER II systems.

Key Features

  • 300–1100 nm UV–Visible–NIR spectral range
  • Optical resolution below 7 nm
  • ±0.2 nm wavelength accuracy
  • Temperature-controlled detector core
  • 25°C detector temperature control
  • Automatic 10–5000 ms exposure
  • NIST-traceable calibration
  • Calibration uncertainty budget
  • Less than 5% directional response
  • Less than 2% temperature response
  • 180° hemispherical field of view
  • Quartz optical dome
  • RS-422 / RS-232 communication
  • IP65 environmental protection
  • Compatible with EKO STR-Series sun trackers

The MS-711N can also be installed in an albedometer configuration for spectral albedo measurement in bifacial PV installations, allowing wavelength-resolved analysis of both incoming and reflected solar radiation rather than only broadband albedo.

Product Models

MS-711N

MS-711N

  • MS-711N UV-Visible-NIR Spectroradiometer
  • Measures solar spectral irradiance from 300 to 1100 nm
  • High optical spectral resolution below 7 nm
  • Wavelength accuracy ±0.2 nm
  • Directional response less than 5% at 1000 W/m²
  • Temperature response less than 2% from -10°C to +50°C
  • Temperature-controlled detector core maintained around 25°C
  • Automatic exposure time from 10 to 5000 milliseconds
  • 180° hemispherical field of view
  • Synthetic quartz optical dome
  • RS-422 / RS-232 communication for PC or data logger control
  • Operating temperature range -10°C to +50°C
  • 12VDC sensor supply with IP65 environmental protection
  • Compatible with EKO STR-Series sun trackers and WISER systems
  • NIST-traceable calibration with calibration uncertainty budget
Datasheet

The MS-711N Spectroradiometer is a research-grade, all-weather UV–Visible–NIR solar spectral irradiance sensor designed for accurate outdoor measurements from 300 to 1100 nm. Its new-generation grating optical system, temperature-controlled detector core, high optical resolution below 7 nm and NIST-traceable calibration provide stable spectral measurements for photovoltaic research, solar-resource assessment and scientific monitoring. With no moving optical components, RS-422/RS-232 communication and compatibility with EKO STR-Series sun trackers, the MS-711N is suitable for permanent monitoring stations as well as travelling reference measurements. It also forms the shortwave component of both the WISER I and WISER II systems.

Key Features

  • 300–1100 nm UV–Visible–NIR spectral range
  • Optical resolution below 7 nm
  • ±0.2 nm wavelength accuracy
  • Temperature-controlled detector core
  • 25°C detector temperature control
  • Automatic 10–5000 ms exposure
  • NIST-traceable calibration
  • Calibration uncertainty budget
  • Less than 5% directional response
  • Less than 2% temperature response
  • 180° hemispherical field of view
  • Quartz optical dome
  • RS-422 / RS-232 communication
  • IP65 environmental protection
  • Compatible with EKO STR-Series sun trackers

The MS-711N can also be installed in an albedometer configuration for spectral albedo measurement in bifacial PV installations, allowing wavelength-resolved analysis of both incoming and reflected solar radiation rather than only broadband albedo.

Additional information

Models

MS-711N

Product Enquiry

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