BALAX LS122 Solar Power Meter - Infrared Intensity Tester with Rejection Value for Solar Panel Energy Measurement - Perfect for Solar System Monitoring & Renewable Energy Projects

The LS122 Infrared Power meter is used for measuring the optical power density of infrared ray and automatically calculate the IR transmission value. Feature 1. IR transmission meter, IR power meter, two function in ONE device 2. Evaluating heat-insulating property of the tint of windows, solar films, glass and other transparent materials 3. Measuring optical power density of infrared ray, wavelength response (1000nm-1700nm), gives visual and reliable result Application 1.Infrared barrier properties of building/car insulation film and heat insulation glass 2.Irradiation intensity of infrared light source (solar,infrared light,etc.) 3.Thermal performance of solar energy equipment Parameter Irradiance measuring range: 0 --- 40000 W / m2 Accuracy: ± 10% IR rejection rate: -999 --- 100% Spectral range: λ (1000-1700 nm); λp = 1400 nm Detector Diameter: 10mm Dimensions: 125mm × 69mm × 24.5mm (L × W × H) Weight: around 140 grams (including battery) Operating temperature: -20 ° C --- + 70 ° C Power supply: 4 pieces of AAA alkaline batteries (Not include) Package include: 1pcs LS122 IR Power Meter 1pcs User Manual 1pcs Certificate / warranty card