About This 【Cost Effective】QUANTUNM SUN branded light par meter provides accurate and cost-effective measurement for any light source used in horticultural applications. It measures up to 10,000 μmol/s compared with 2,000 μmol/s for other meters on the market 【High Precision】 This fully portable handheld PAR meter features our highly accurate, integrated Quantum Sensor that measures PAR (Photosynthetically Active Radiation) flux in wavelengths ranging from 400 to 700 nm.The constant linear response curve (as opposed to other meters' Gaussian response) yields higher accuracy independent of wavelength perfect for measuring LED light output 【Professional 】Data logging capability using proprietary data logging software available at Quantum Sun. Perfect for ALL indoor plants 【Rechargable】 Low power consumption with built-in low battery power Indication. Coming with USB cable. Just plug in any USB port or USB adapter (Charging 1-2 hours before use if no power) 【US Patented Technology】Automatic electric light calibration modes ensure accurate readings from any source Overview Color : black+green Shape : Rectangular Material : Plastic Finish Type : Painted Light Source Type : Led
