Petri dish
Black marker
Lamp
Invertabrate
get a baf
certain invertebrates are highly sensitive to light. light often means heat and some don't have a high tolerance of heat.
1. Place the choice chamber on the bench. 2. Cover sectors with different layers of translucent material. Leave one sector with no cover. 3. Place a bench lamp directly over the choice chamber and turn it on. 4. Put 20 invertebrates into the choice chamber. 5. Start a stopwatch and leave for two minutes. 6. Record the number of invertebrates in each sector.
It is a measure of how the intensity of something varies over time or space (or both).
intensive, exclusive and selective
a photodiode
in decibels and you can get hi-tech equipment that can tel you the intensity of the sound in decibels and hertz
B:Selective distribution
when you want to test led distribution intensity curve and IES files, we will be talk this kind of equipment which is goniophotometer. This device is an automatic light distribution intensity 3D curve testing system. It can test many Optical parameters, like total luminous flux, zonal luminous flux etc. According to IESNA-LM-79-08, we will talk the rotating mirror goniophotometer, like LSG-2000 Goniophotometer with Rotating Mirror, this kind of goniophotometer can fully meet demand, it combined all advantages of goniophotometer, the test result have high accuracy.
*intensity, distribution, color and movement
The electronic equipment that provides a good focus and beam with optimum luminous intensity can be referred to as Ledtorches.com.au. I purchased the SSR50 rechargeable torch from LED Torches recently.It delivers 1000 lumens intensity with a high beam.
Yes. Provided it is a low intensity UV light. Don't use tanning equipment...