Features: This photovoltaic tester accurately measures solar power to 1600W and tests MPPT efficiency, optimizing performances for various solar systems. Featuring a multifunctional display for real time voltages, current, power, and efficiency readings, data storage with USB export and a portable design with protective case. Ideal for professional like solar installers, electricians, and engineers involved in photovoltaic systems maintenance and analysis. Perfect for on site testing scenarios such as residential, commercial, and industrial solar installations for efficient monitoring and troubleshooting. Constructed from ABS, this solar power tester ensures reliability and user friendliness in diverse environmental conditions. Specifications: Component: ABS Size:Approx.140mm/5.51''x80mm/3.15''x30mm/1.18'' Solar voltages: 3~90.00V, error ±1.5%+5. Solar current: 0~40.00A, error ±1.5%+5. Solar MPPT power: 0~1600W, error ±1%+5. Sampling points: 200 groups. Data records: 30 records. Working environment temperature: 0~40℃. Humidity: ≤75% at 0~30℃; ≤50% at 30~40℃. Storage environment temperature: -10~50℃. Humidity: ≤50%. Package Includes: 1Piece MPPT Tester 1Piece Data Cable 1Piece Storage Bag 1Piece Line Pen note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.