MS-80S Pyranometer

  • ISO 9060:2018 Class A (Secondary standard)
  • Unique "fast response & spectrally flat"
  • Quartz diffuser technology
  • ISO 17025 certified calibration
  • 5 year warranty and recommended recalibration
  • Smart interface: (MODBUS 485 RTU, SDI-12, 4-20mA, 0-10mA / (0-1V with external optional 100Ω precision shunt resistor)
  • Diagnostic functions (relative humidity, temperature, tilt angle)
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The MS-80S is an ISO 9060:2018 Class A pyranometer, in the top tier ‘fast-response’ and ‘spectrally flat’ sub-categories, with unprecedented low zero-offset behaviour, fast sensor response, and a 5-year recalibration interval.

Building on the innovative patented design of the original MS-80, released in 2016, the MS-80S includes a state-of-the-art thermopile sensor, a new internal diagnostics system, and 4-channel smart interface.

The internal diagnostics system offers users visibility over internal temperature, humidity, tilt and roll angle; helping to ensure optimum performance without the need for regular physical checks; while the 4-channel smart signal transducer allows the MS-80S to easily connect to any analogue or digital measuring system, giving users a choice with Modbus 485 RTU, and SDI-12 for digital output; alongside …

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  Specifications MS-80S
  ISO 9060:2018 Class A
  ISO 9060:1990 (Secondary Standard)
  Sub-category "Spectrally flat" Compliant
  Sub-category "Fast response" Compliant
  Output (MODBUS 485 RTU, SDI-12, 4-20mA, configurable 0-10mA / 0-1V with external optional 100Ω precision shunt resistor)
Response time 95% < 0.5 Sec.
Zero off-set a) 200W/m² +/- 1 W/m²
Zero off-set b) 5K/hr +/- 1 W/m²
Complete zero off-set c) +/- 2 W/m²
  Non-stability change/1 year -
  Non-stability change/5 years +/- 0.5 %
Non-linearity at 1000W/m² +/- 0.2 %
Directional response at 1000W/m² +/- 10 W/m²
Spectral error +/- 0.2 %
Temperature response -10°C to 40°C +/- 0.5 %
Temperature response -20°C to 50°C +/- 0.5 %
Tilt response at 1000W/m² +/- 0.2 %
  Operating temperature range -40 - 80 °C
Irradiance range 0 - 4000 W/m²
Wavelength range 285 - 3000 nm (50% points)
Power supply 5 - 30 VDC
Power consumption < 0.2 W
  Ingress protection IP 67
  Cable length 10 m
Additional signal processing errors < 1 W/m²

Applications and uses

The accurate solar radiation measurements and the reliable driving require a little knowledge and attention: think about environmental influences (wind, rain/snow, soiling), re-calibration (bi-annual), without mentioning data processing, spectral effects, …

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