Secondary Standard Pyranometer
Secondary Standard Pyranometer – SR20-T1 and SR20-D2
SR20 series pyranometers are of the highest category in the ISO 9060 classification system : Secondary Standard. This solar radiation sensor is used where the highest measurement accuracy is required. It measures the solar radiation received by a plane surface, in W/m2, from a 180o field of view angle. SR20 secondary standard pyranometer enables you to attain the highest measurement accuracy and excels in demanding applications. In order to improve overall measurement accuracy, Hukseflux effectively targeted two major sources of measurement uncertainty : calibration and “zero offset a”. The initial calibration uncertainty is reduced to less than 1.2%, an improvement of 15% relative to competing models. The “zero offset a” specification of SR20 is 5 W/m2 unventilated whereas competing models state 12 W/m2 unventilated and 7 W/m2 ventilated.
Depending on the project requirement, we offer two variants in SR20 series:
- SR20-T1 Secondary Standard Pyranometer with Analogue millivolt output
- SR20-D2 Secondary Standard Pyranometer with both Modbus RTU over RS-485 and Analogue 4-20 mA Output.
Nowadays, the best pyranometers are made by Hukseflux Thermal Sensors. This overview of features and benefits of SR20-D2 gives you some of the reasons why! Whatever your application is, Hukseflux offers the highest accuracy in every class at the most attractive price level.
About Hukseflux
Hukseflux Thermal Sensors offers measurement solutions for the most challenging applications. They design and supply sensors as well as test & measuring systems and offer related services such as engineering and consultancy. Hukseflux is ISO 9001:2008 certified. Hukseflux sensors, systems and services are offered worldwide.
- ISO Classification : Secondary standard pyranometer
- Calibration uncertainty : < 1.2% (k = 2)
- Response Time (95%) : 3s
- Zero offset a : 5 W/m2 unventilated, 2.5 W/m2 ventilated
- Spectral range : 285 to 3000 x 10-9 m
- Rated operating temperature : -40 oC to +80oC range
- Temperature response : <± 0.4% (-30°C to +50 °C)
- Combined power consumption of <1mA
- Calibration traceability to WRR
- Sealing : IP67
- Calibration registers accessible to users
- Temperature response test report included of individual instrument
- Directional response test report included