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Pyroheliometer MS-57

ISO 9060:2018 class A DNI (Direct Normal Irradiance) Sensor, compliant with IEC 61724-1 for monitoring the performance of photovoltaic systems.

Pyrheliometer MS-57

  • Supplier: EKO
  • Power supply:
    • Pour la vitre chauffante : 12 VDC/ 0.5 W
  • Signal output: Analogue
  • Response time 95%: < 0.2 s
  • Range(s):
    • Wavelengths (nm): 200 to 4000
    • Irradiance (W/m2): 0 to 4000
  • Accuracies:
    • Zero offset A – Thermal Radiation (200 W/m2): 0 W/m2
    • Zero offset B – Thermal Radiation (5 K/hr): < 1 W/m2
    • Zero offset C – Total zero off-set: < 1 W/m2
    • Non-stability (change/5 years):< 0.5 %
    • Non-linearity (100 to 1000 W/m2): ± 0.2 %
    • Spectral Error: ± 0.2 %
    • Temperature Response (-20 °C to 50 °C): ± 0.5 %
    • Tilt Response (0-90° | 1000 W/m2): < 0.2 %
  • Operating temperatures: -40 °C/80 °C