How many Lux do I need?
500 lux – Retail spaces should have this as a minimum light level, as should general office spaces. This level should be suitable for prolonged work on computers, machinery and reading. More than 500 lux – If you have an area where intricate work is being carried out, then very high lux values may be needed.
What Lux is daylight?
Intensity in different conditions
| Illuminance | Example |
|---|---|
| 111,000 lux | Bright sunlight |
| 109,870 lux | AM 1.5 global solar spectrum sunlight (= 1,000.4 W/m²) |
| 20,000 lux | Shade illuminated by entire clear blue sky, midday |
| 1,000–2,000 lux | Typical overcast day, midday |
How many Lux is an iPhone screen?
| Apple iPhone 4 | ||
|---|---|---|
| 0 lux | 300 lux | 1,000 lux |
| 5,000 lux | 10,000 lux | 20,000 lux |
What is the full form of Lux?
Lux, unit of illumination (see luminous intensity) in the International System of Units (SI). One lux (Latin for “light”) is the amount of illumination provided when one lumen is evenly distributed over an area of one square metre.
What does a lux meter do?
Lux meters are used for measuring brightness in lux, fc or cd/m². Some lux meters are equipped with an internal memory or data logger to record and save measurements. The measurement of light intensity with a lux meter is becoming increasingly important in the workplace due to safety concerns.
Is sunlight through a window direct sunlight?
Light through a window is not direct sunlight as some of the light is diffused and reflected as it passes through the window, reducing its intensity. Light through a window is the most direct form of light available indoors, but is usually at least 50% less intense than direct sunlight outdoors.
How many foot-candles do I need for a house plant?
Plants referred to as low light intensity plants generally should receive between 50 and 250 foot-candles. Under artificial light, a few plants in this group can be maintained at as little as 10 foot-candles. Low-light plants should receive between 10 and 15 watts of fluorescent light per square foot of growing space.
Is 1000 lux enough for plants?
High-light or full-sun plants need at least 60,000 lux. Medium-light or partial sun plants need at least 35,000 lux. Low light or partial shade plants need at least 15,000 lux. Very low-light plants or heavy shade plants need around 1000 to 5000 lux or less.
How much Lux Do tomatoes need?
90,000 lux is considered the max Lux and anything more would damage the plant. 25,000-50,000 lux is optimal for fast growth. Different strains of plants require more light to grow. This is why Sativa and Indica strains naturally grow in two different climates of the world.
How much Lux do herbs need?
Generally, herbs require at least six hours of sunlight per day. If where you’re growing your herbs doesn’t have access to natural light, you can substitute that with artificial lights. Use LED or HID lights for best results. Your plants would need 14-16 hours of light.
How much Lux do I need for outdoor plants?
Quick Guide – Lux Levels for Optimal Cannabis Growth
| Life Stage | Maximum | Minimum |
|---|---|---|
| Vegetative | 70,000 lux | 15,000 lux |
| Flowering | 85,000 lux | 35,000 lux |