Hydrofarm Active Eye LGBQM Handheld Quantum PAR Meter

Check out this awesome Portable Handheld Quantum PAR Meter from Hydrofarm. This fancy little gadget measures Photosynthetically Active Radiation (PAR) and features a highly accurate, integrated Quantum Sensor. The meter measures from 400 to 700 nm with a range of 0 to 10,000 umol and can record up to 99 readings, so you can save readings and review them again. The active radiation meter shows off built-in battery power indicator so you'll always be aware of its life status and how long it can be of use. The built-in battery consumes very little energy. It has a constant linear response curve and yields incredibly high accuracy that's perfect for measuring LED light output. For the most precise readings in the horticultural world, keep this Hydrofarm Quantum PAR Meter on hand.

Data logging capability using standard mini-USB cable and proprietary data logging software available at Hydrofarm Low power consumption with built-in low Battery power Indication Constant linear response curve (as opposed to other meters' Gaussian response) yields higher accuracy independent of wavelength - perfect for measuring LED light output No assembly required Logging software compatible with Windows XP, 7 & 10 only Fully portable PAR meter that features highly accurate, integrated Quantum Sensor Measures Photosynthetically Active Radiation (PAR) from 400 to 700 nm Range of 0 to 10,000 umol Record up to 99 readings Automatic sun or electric light calibration modes ensure accurate readings no matter the source Color: Black Dimensions (L x W x H): 6.7 x 4.4 x 2.4 inches Weight: 0.5 pounds Manufacturer warranty: 1-year warranty