MS-21 Pyrgeometer

  • 4.5µm - 42µm flat spectral response
  • Lowest window heating offset
  • PT 100 / 4W temperature sensor
  • Temperature compensation
  • WISG traceable calibration
  • 5 years warranty
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The MS-21 pyrgeometer is added to the top of the range, of most accurate and robust infrared radiometers for scientific research applications. The analog sensor can measure longwave downwelling radiation and longwave net-radiation in a wide spectral band. In meteorology, wavelengths from 0.3 to about 4.5μm are called shortwave radiation, which is the solar radiation measured by a pyranometer. Wavelengths beyond the solar spectrum are called longwave radiation which is a function of the sky temperature and typically measured with a pyrgeometer. For climate research applications it is important to measure the earth surface radiation balance which is an important parameter and critical process indicator for climate change.

MS-21 has Silicon meniscus dome with solar blind interference filter (cut-on 4.5µm) …

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  Specifications MS-21
Response time 95% < 18 Sec.
Non-linearity < 1 %
Sensitivity > 10 - < 20 µV/W/m²
Temperature response -20°C to 50°C < 1 %
Window heating Offset < 4 W/m2
  Operating temperature range -40 - 80 °C
Wavelength range 4.5 - 42 µm
  Dome temperature -
  Body temperature PT-100
  Field of View FOV 180 °
  Cable length 10 m
  Options

Compare:

MS-202
MS-20