What is the sensor of solar radiation?

Solar radiation sensor is a device used to monitor solar radiation. It can measure the intensity and spectral distribution of solar radiation and other information, which is important in the fields of solar energy utilization, meteorology, agriculture, aging of building materials and atmospheric pollution.

In the field of solar energy utilization, solar radiation sensors are used to monitor the amount of solar radiation received by solar panels in order to optimize the performance and efficiency of the panels. In the field of meteorology, solar radiation sensors are used to measure the total amount and spectral distribution of solar radiation, which is important for climate change and weather forecasting. 

In the field of agriculture, solar radiation sensors can be used to monitor the growth of crops, and by analyzing the intensity and spectral distribution of solar radiation, farmers can be guided to carry out reasonable planting and fertilization and other agricultural production activities.

Solar radiation sensors work on two main principles: the thermoelectric effect and the photoelectric effect.

The working principle of the thermoelectric total solar radiation sensor is based on the thermoelectric effect. It uses a thermopile or thermocouple to measure solar radiation by receiving solar radiation and converting it to heat energy, which is then converted to electricity by the thermocouple. This process does not require any external power source and is completely passive, making it ideal for use in harsh environments.

The photoelectric total solar radiation sensor, on the other hand, is based on the photoelectric effect. It uses a photoelectric element such as a photocell or photodiode to measure solar radiation. When sunlight hits the photoelectric element, photons interact with the substance, causing electrons in the substance to gain enough energy and escape, forming an electric current. The magnitude of this current is proportional to the number of photons irradiated onto the photoelectric element, allowing the intensity of solar radiation to be measured.

In conclusion, solar radiation sensors are an important measuring device widely used in meteorology, environment and solar energy fields, which can be used to assess the energy balance, environmental quality and solar energy resources, which is of great significance for sustainable development and environmental protection.

Pyranometer Solar Radiation Sensors data sheet

NBL-W-HPRS-Solar-Radiation-Sensor-Instruction-Manual-V3.0.pdf

NBL-W-SRS-Solar-radiation-sensor-instruction-manual-V4.0.pdf