PHTBQ total radiation sensor uses pyroelectric sensor principle, used in conjunction with various radiation the total solar radiation, the reflected radiation, scattered radiation, infrared radiation, visible light, ultraviolet radiation, long wave radiation.
Core inductive element of the sensor, using winding plating multi-contact thermopile, its surface is coated with the black coating of the high absorption rate. The hot junction is located in the body, hot and cold contacts to generate thermoelectric power. Within the linear range, in proportion to the output signal and solar irradiance.
The double glass is in order to reduce the impact of the air convection radiation table, the inner cover is set in order to cut off the infrared radiation of the nacelle itself.