The sunlight calculator is an electronic light meter that measures solar energy, which all plants require to grow and survive. By using the sunlight calculator gardeners can easily and accurately measure the amount of accumulated sunlight falling on a specific garden location. This will help you position plants in light conditions where they will grow best and indicate why certain plants are not thriving. Measuring areas of sun and shade will also help you establish zones of differing watering needs in your garden.
Most gardeners are challenged with variable light conditions on their property. Sunlight intensity is affected by many environmental factors such as the season, time of day, shadows from nearby structures, and shade from surrounding plants and trees. A spot that was once "full sun" might become "partial shade" as a garden fills out over time. These factors can significantly reduce the amount of sunlight available to a plant, so it is beneficial to know your plants' sun exposure requirements. The sun calculator's results match common planting guidelines: Full Sun, Partial Sun, Partial Shade or Full Shade.
The sunlight calculator is designed to measure sunlight conditions during the growing season. Select a day when you can expect a full day of sunlight with limited or no clouds. Early in the day place the sunlight calculator as close as possible to your specific planting location. After 12 hours of continuous operation, the sunlight calculator will complete its sunlight readings. A single LED will light up to indicate the light level measured in that location: full sun, partial sun, partial shade or full shade.
Sunlight Calculator - How it works:
The sunlight calculator features a photo receptive diode that collects photosynthetically active radiation (PAR) and converts it into electric current. The electrical current is sampled by a microprocessor using an algorithm that measures light intensity over a period of 12 hours.
This light meter is durable, water resistant, and reusable. The diode and LED use very little power, so the meter can be used dozens of times before replacing batteries. Runs on 3 button cell batteries, included.
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