SR05-L ISO 9060 Secondary Class Pyranometer with Analog and RS-485 Modbus Communications


The SR05-L, manufactured by Hukseflux Thermal Sensors, is an ISO 9060 second class pyranometer designed for general solar radiation measurements in agricultural and meteorological networks and PV monitoring. Both analog output and Modbus over RS-485 are supported.

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Funktionen und Vorteile

  • Industry-standard analog and digital outputs for easy implementation and servicing
  • Affordable second class pyranometer, suitable for large networks
  • Employs a thermopile sensor with black-coated surface, one dome, and an anodized aluminum body with visible bubble level


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Technische Beschreibung

The SR05 measures solar radiation received by a plane surface, in W/m², from a 180° field of view angle with a high-quality blackened thermopile protected by a glass dome. The blackened thermopile provides a flat spectral response for the full solar spectrum range, which allows the SR05 to be used under plant canopies or lamps, when the sky is cloudy, and for reflected radiation measurements.

The SR05 produces two different outputs that are measured directly by a Campbell Scientific data logger: a 0 to 1000 mV signal and a Modbus over RS-485 signal.


Measurements Made Hemispherical solar radiation
Heater No
ISO Classification Class C (second class) ISO 9060:2018
IEC 61724-1:2017 Compliance Class C
  • 0 to 1 V
  • Modbus RS-485
Calibration Uncertainty < 1.8% (k = 2)
Calibration Traceability To WRR
Spectral Range 285 to 3000 x 10-9 m
Operating Temperature Range -40° to +80°C
Rated Operating Voltage Range 5 to 30 Vdc
Communication Protocol Modbus over RS-485
Digital Output Irradiance in W/m2 and instrument body temperature in °C
Analog Output 0 to 1 V
Transmit Range 0 to 1600 W/m2

Kompatibel mit

Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.


Product Compatible Note


Product Compatible Note


Aufgelistet unter

Common Accessory for the following products: