SR03 pyranometer

Fast response second class pyranometer

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SR03 is the fastest ISO 9060 second class compliant pyranometer available. Due to major advances in thermopile sensing technology, SR03 achieves a 95 % response time in less than 3 seconds. SR03 is optimally suited for PV system performance monitoring, where long-term stability and synchronous response time between the PV module / array and pyranometer are required.

SR03 is a solar radiation sensor that can be applied in general observations. It measures the solar radiation received by a plane surface from a field of view angle of 180 o. This quantity, expressed in W/m2 , is called “hemispherical” solar radiation. Contrary to photodiode-based instruments, SR03 has a spectrally flat response across the full solar spectrum.

SR03 pyranometer is used for general meteorological observations, building physics and solar collector testing. However, because of its fast response time, it is ideally suited for PV applications, where it will match the response time of the panels more closely than other pyranometer models. Use on ships and airplanes in conjunction with tilt sensors is also a possibility.

Using SR03 is easy. It can be connected directly to commonly used data logging systems. The irradiance in W/m2 is calculated by dividing the SR03 output, a small voltage, by the sensitivity. This sensitivity is provided with SR03 on its calibration certificate.

Standards

Applicable instrument classification standards are ISO 9060 and WMO-No. 8. Calibration is according to ISO 9847. PV related standards are ASTM E2848 and IEC 61724.

Suggested Use

  • PV system performance monitoring
  • on buoys
  • on aircrafts

Options

  • longer cable, in multiples of 5 metres
  • sun screen
  • SR03-LI19, including readout unit LI19

See also

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