TBQ-2-B Pyranometer

TBQ-2-B Pyranometer is mainly used to measure the total solar radiation with a wavelength range of 0.3~3 μ m. If the reflection radiation can be measured under the induction face, it can also be used to measure the solar radiation incident on the inclined plane. For example, the scattered radiation can be measured by adding a shading ring.

Therefore, it can be widely used in the measurement of solar radiation energy in meteorological, solar energy utilization, agriculture and forestry, building material aging and atmospheric environment monitoring departments.

Pyranometer TBQ-2-B

The Pyranometer is composed of a double-layer quartz glass cover, a sensing element, a light shield, a watch body, a desiccant, etc. The sensing element is the core of the meter, which is composed of wire wound electroplated thermopile with fast response.

The sensing surface is coated with 3M matt black paint. The sensing surface is a hot junction. When there is sunlight, the temperature rises. It forms a temperature difference electromotive force with the cold junction on the other side, which is proportional to the intensity of solar radiation.

Monitoring Parameters	Pyranometer
Monitoring Principle	Thermopile
Power-In	No Power in
Interface	0-50mV / RS485

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Technical Parameter

Item	Parameters
Sensitivity	＞7μV/(W/m2)
Response time	<35s (99% response)
Annual stability	not more than ± 2%
Cosine response	not be greater than ± 7% (when solar altitude angle is 10 °)
The azimuth	not greater than ± 5% (when the solar altitude angle is 10 °)
Non linear	not more than ± 2%
Spectral range	0.3~3 μ m
Temperature coefficient	not more than ± 2% (- 10 ～ 40 ℃)

Application

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Pyranometers FAQs

Why double glass cover design？

The double glass cover is used to reduce the influence of air convection on the radiometer. The inner cover is designed to cut off the infrared radiation of the outer cover itself.