Equipped with a four color lcd display for easy reading.
Lux meter for led lights.
The lt40 led light meter is useful for measuring and optimizing environmental light levels in a wide range of environments including office buildings manufacturing plants and warehouses university campuses schools hospitals and many other locations.
In this video i show the difference between using a standard light meter and a quantum flux par meter.
Btmeter bt 881d digital illuminance light meter measure lights 0 01 400 000 lux 0 01 40 000 fc foot candles luxmeter with 270º rotated sensor for plants led lights indoor outdoor light tester 4 5 out of 5 stars 170.
However it doesn t work with purple led lights which emit a purple light due to their combination of blue and red leds.
Color led light meter measure the illuminance of white and color led lights.
And up to 20 000 fc.
A lux meter works with all types of white lights which includes hid cfl and white leds cob leds.
Features a measuring range of up to 200 000 lux.
I know i should buy a par meter if i want to measure led intensity and i know if i want to get fancy about it i should add a fudge factor to my reading that accounts for the differences in electronvolts per photon at different frequencies.
Can you use a lux meter to measure grow light intensit.
Includes a low battery indicator.
Unfortunately most cheaper led lights are these purple types.
But please i just want to know what range of lux is good for led grows in veg and in flower.
Btmeter bt 881d digital illuminance light meter measure lights 0 01 400 000 lux 0 01 40 000 fc foot candles luxmeter with 270º rotated sensor for plants led lights indoor outdoor light tester.
The urceri light meter features a high response rate frequency of twice per second.
Led light meter measure the illuminance of white led lights.
Holdpeak digital light meter hp 881d with 0 01 400 000 lux 1 40 000 fc measuring ranges and 270 rotatable detector for led lights and plants lumen meter 4 3 out of 5 stars 108 35 99 35.