Introducing the SEVEN Class A Thermopile Pyranometer

by Robert Schreiber

Berlin, Germany (SPX) Dec 19, 2025

SEVEN Sensor Options: A World Chief in Sensor Know-how

SEVEN Sensor Options is a number one producer of high-quality sensors primarily designed to watch the efficiency of PV Vegetation (Photovoltaic Plant). As an organization specialised in sensor manufacturing, SEVEN has efficiently expanded into different fields, together with meteorological and silo-related purposes.

Because of its wide selection of sensors, SEVEN Sensor has efficiently reached greater than 85 international locations worldwide, from Japan to the USA, and from Sweden to South Africa.

Pushed by a robust deal with R&D, SEVEN has been granted two patents for its modern sensor applied sciences.

SEVEN is well-known out there for its high-quality Reference Cells and Soiling Sensors, that are put in worldwide in numerous environmental circumstances – from extraordinarily scorching areas to freezing chilly climates, from extremely humid areas to arid zones, and from tropical climate to snowy areas.

Recognizing the rising market demand, SEVEN developed a brand new Thermopile Pyranometer to ship high-accuracy irradiance measurement and meet business requirements.

Options of the SEVEN Class A Thermopile Pyranometer

The Class A pyranometer of SEVEN Sensor is totally compliant with IEC 61724-1:2021 and ISO 9060:2018 requirements, guaranteeing high-precision irradiance measurements for correct efficiency ratio calculations. The low zero-offset and the minimal non-stability are key standards that outline a Class A pyranometer. To realize these efficiency standards, SEVEN developed its pyranometer through the use of the white diffuser as a substitute of a standard black physique and a single dome.

What’s the distinction between Black Physique and White diffuser for Pyranometer?

The black disc sensor has been used for many years by nearly all pyranometer producers. This sensor is a comparatively low-cost approach to make a thermal sensor to soak up radiation. It’s made by portray a soldered wire thermopile, a comparatively low-cost technique. The disadvantages of this sensor is the lengthy response time attributable to its measurement and thermal mass – about 10-20s, later the response time was artificially improved in digital fashions by approximating the measurements, leading to about 5 s response time. One other large drawback with this know-how is the truth that the paint will change its properties with time when uncovered to UV gentle. This occurs particularly strongly within the first years of use. That’s the reason why pyranometers utilizing this know-how need to be recalibrated each 1-2 years.

Then again, utilizing a white quartz diffuser protects the sensor from thermal results in an analogous method that the internal dome does in conventional pyranometers with a black physique design. That is why the SEVEN Pyranometer requires solely a single dome.

In line with the ISO 9060:2018 commonplace, response time is a key criterion for Class A classification. Because of its modern white diffuser design, the SEVEN Pyranometer presents a speedy response time of simply 0.5 seconds.

Moreover, this design is extremely secure over time and doesn’t require frequent recalibration. Because of this, SEVEN recommends recalibration solely as soon as each 5 years, considerably decreasing upkeep efforts and long-term operational prices.

With its modern design, the SEVEN Class A Pyranometer enhances measurement stability, reduces thermal offsets, and improves angular response for superior knowledge accuracy.

Moreover, the SEVEN Thermopile Pyranometer is provided with a LED indicator.

LED Indicator for Simple Management

The LED indicator on SEVEN Pyranometer offers real-time suggestions on its operational standing. This ensures customers can rapidly confirm that the sensor is functioning correctly, decreasing downtime and enhancing system reliability.

Whereas checking a Pyranometer on web site could be difficult because it typically requires to be related to the pc which isn’t at all times out there, SEVEN determined to eradicate the checks associated to Energy by including a LED indicator seen on the Pyranometer. If the Inexperienced LED is on, because of this the Pyranometer is nicely powered and if a communication concern arises whereas the LED is inexperienced, customers could be assured it isn’t power-related.

SEVEN Sensor Class A Pyranometer: Excessive High quality Resolution

To sum up, the important thing options & advantages of the brand new SEVEN Class A Pyranometer are:

• Worldwide Normal Compliant — “ISO 9060:2018, fast-response, spectrally flat and Class A” and “IEC 61724-1:2021 Class A”.
• White diffuser know-how — Enhances stability, minimizes temperature results.
• Quick Response — Ensures correct and real-time photo voltaic radiation measurements.
• Constructed-in LED indicator — Fast sensor checking.
• Superior thermal efficiency — Reduces measurement errors beneath fluctuating circumstances.
• Simple integration — Totally appropriate with SCADA programs and dataloggers.
• Climate-resistant — Designed for long-term out of doors Operation.
• Quick set up — Plug-and-play setup for minimal downtime.

With SEVEN’s Class A Thermopile Pyranometer, you get the newest innovation in photo voltaic monitoring know-how, guaranteeing correct efficiency ratio calculations and optimized PV plant effectivity.

Seek advice from the technical datasheet for extra particulars.

Associated Hyperlinks

SEVEN Sensor Solutions
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