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MS-40 Pyranometer

The MS-40 Class C (Second class) pyranometer with analog output is most cost-effective for irradiance measurements accross the Solar spectrum.


The MS-40 is an ISO 9060:2018 Class C pyranometer which is based on the EKO's universal sensor platform. It is the most cost effective irradiance sensor to measure Solar irradiance accross the full Solar spectrum. It can be used for agro meteorological networks and professional small scale PV sites where solar radiation is taken seriously. The MS-40A and MS-40M provide a digital output (4-20mA or Modbus 485 RTU). The MS-40/40A/40M can be used with the optional MV-01 ventilator / heater or can be combined with the optional mounting kit for albedo measurements.

The MS-40 pyranometers are manufactured in a consistent way followed by strict quality inspection and performance evaluation. EKO provides a unique calibration compliant to the international standards defined by ISO/IEC17025/9847.

The sensor has a 5 years warranty with a 2 years re-calibration interval recommended and it is no longer necessary to change the desiccant.


Specifications
ISO 9060:2018 Class C
ISO 9060:1990 Second Class
Sub-category "Spectrally flat" Compliant
Sub-category "Fast response" Not compliant
Output Analog (mV)
Response time 95% < 18 Sec.
Zero off-set a) 200W/m² +/- 12 W/m²
Zero off-set b) 5K/hr +/- 5 W/m²
Complete zero off-set c) +/- 17 W/m²
Non-stability change/1 year +/- 1.5 %
Non-linearity at 1000W/m² +/- 1 %
Directional response at 1000W/m² +/- 20 W/m²
Spectral error +/- 0.16 %
Temperature response -10°C to 40°C +/- 3 %
Temperature response -20°C to 50°C +/- 3 %
Tilt response at 1000W/m² +/- 1 %
Sensitivity Approx. 10 µV/W/m²
Impedance 100 Ω
Operating temperature range -40 - 80 °C
Irradiance range 0 - 2000 W/m²
Wavelength range 285 - 3000 nm
Ingress protection IP 67
Cable length 10 m
 Options  
Cable length 20 / 30 / 50 m
Ventilation unit MV-01
Albedo mounting kit MS-albedo Kit

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