Automatic Soiling Sensor Automatic Soiling Sensor The Automatic Soiling Sensor is a device designed to measure energy losses caused by dirt and dust accumulating on the surfaces of photovoltaic (PV) panels due to environmental conditions. This sensor detects the amount of dust accumulating on the panels and helps determine the need for regular maintenance and cleaning of commercial and industrial facilities. If the soiling rate obtained from the sensor is 10%, this indicates a 10% energy loss in the facility. Thus, users can take necessary precautions based on the soiling level to improve energy efficiency. The Automatic Soiling Sensor includes two irradiance sensors, one defined as ‘clean’ and the other as ‘soiled’, a water tank with a pump that performs the cleaning process, and an electronic panel housing the sensor’s electronic components. According to the sensor’s measurement principle, the soiled irradiance sensor is left to accumulate dust under the same conditions as the solar panels in the field, while the clean irradiance sensor is cleaned daily by an automatic cleaning system. The sensor, utilizing its specialized software, filters and compares data received from the soiled and clean irradiance sensors to calculate a soiling ratio in compliance with the IEC 61724-1:2021 standard. According to this standard, the soiling ratio should be calculated as a single daily average value within the time range of ±2 hours from local noon, excluding low irradiance values and unstable weather conditions. Additionally, the Automatic Soiling Sensor stores the collected data for one year, allowing the user to get the backup of this data at any time. • Data Recording and Downloading • Quick & Easy Installation • Automatic Cleaning System • Free Software Update • SunSpec Complicant • SEVEN Remote Setup Service • SEVEN Customer Support Models3S-SMS-MB & 3S-SMS-MB-24V The 3S-SMS-MB model operates on 100-240 V AC, while the 3S-SMS-MB-24V model operates on 24 V DC. The only difference between these two models is the power supply method; all other features are the same. Users who choose the 3S-SMS-MB model can connect the sensor directly to the mains supply. Users who choose the 3S-SMS-MB-24V model must use a 24 V DC, 5 A power supply to operate the sensor. Automatic Soiling Sensors can be integrated with systems such as dataloggers, SCADA, and PLCs that use the Modbus protocol. For applications where such systems are not available on site, or where a dedicated monitoring solution is required, SEVEN Sensor has developed its own monitoring system. To use the SEVEN Sensor monitoring system, a Gateway device supplied by SEVEN Sensor must be purchased. The Gateway transfers the data received from the sensor to the SEVEN Sensor monitoring system, allowing users to monitor data remotely over the internet. For Automatic Soiling Sensors, the Gateway is delivered to the customer pre-wired inside an electrical control panel, with all connections completed and the necessary configuration already set. For SEVEN Sensor Monitoring System options and more detailed information, please contact the SEVEN Sales Team. Pinarcay OSB Mah. Organize San. Tesisleri 11. cad. No:35 Merkez / Corum • Phone: +90 364 230 1233 • Website: www.sevensensor.com • Email: [email protected]

3S-SMS-MB Automatic Soiling Sensor The Sunshade Structure is specially designed to meet the installation requirements of Automatic Soiling Sensors, especially in rooftop applications. It is manufactured from 1 mm thick formed ST37 steel sheet and weighs 15,7 kg. The Sunshade Structure is not included in the standard scope of supply of the Automatic Soiling Sensor. Please contact the SEVEN Sales Team for availability. * Note: Sensors with an IP54 protection rating may pose a sealing risk when used in tracker systems. This is because the range of movement and tilt angles of tracker systems during...

Technical Drawings Irradiance Sensors 221 130 3 Pinarcay OSB Mah. Organize San. Tesisleri 11. cad. No:35 Merkez / Corum • Phone: +90 364 230 1233 • Website: www.sevensensor.com • Email: [email protected]

Note: All dimensions are in mm. *SEVEN has the right to make modifications on this documentation without notice. Halil Can GEDİK Çizen/Drawing Aksi Belirtil Milimetre C ''Unless Ot Specified, in Millimet RESİM ÜZE ALMAYINI DIMENSIO Halil Can GEDİK Mücahit YILDIZ 4 Pinarcay OSB Mah. Organize San. Tesisleri 11. cad. No:35 Merkez / Corum • Phone: +90 364 230 1233 • Website: www.sevensensor.com • Email: [email protected]