Turf-Tec Light-DLI-W Quick Start Manual

Turf-Tec Light-DLI-W Quick Start Manual

Daylight indicator

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Daylight Indicator - Light Meter
Indicator records light intensity for a 24-hour period and then calculates the Daily
Light Integral (DLI). Real-time intensity levels are shown every 4 seconds in µmol
-2
-1
m
s
(or footcandles). Battery included.
Specifications:
• Plastic Spike
• Button on the face
• Uses three A76/LR44/L1154
batteries (included)
• Simple, one button operation
• An affordable, first step in measuring light
• Measure PAR light
(the range between 400 and 700 nm)
• With the push of a button, the meter runs for 24
hours and calculates your Daily Light Integral
• Real-time intensity levels are shown every 4
seconds in μmol
m
• Approximate battery life: 100 DLI calculations
Turf-Tec International Daylight Indicator – Light Meter - Copyright 2020
Light-DLI-W
The Daylight Indicator - Light Meter is a
simple and easy step in measuring the light
intensity levels affecting your turf or crops
and can be used outdoors, on golf greens,
stadiums or inside a greenhouse or other
structure. This water-resistant unit will
compare light level intensities within or
outside your greenhouse. Simply place it on
the area to be tested and 24 hours later, it
will display your Daily Light Integral (DLI).
With a push of a button, the Daylight
(Photosynthetically Active Radiation)
-2
-1
s
(or footcandles)
Page 1 -
www.turf-tec.com
(DLI)

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Summary of Contents for Turf-Tec Light-DLI-W

  • Page 1 Daily Light Integral (DLI) • Real-time intensity levels are shown every 4 seconds in μmol (or footcandles) ⚫ ⚫ • Approximate battery life: 100 DLI calculations Turf-Tec International Daylight Indicator – Light Meter - Copyright 2020 Page 1 - www.turf-tec.com...
  • Page 2 Do not store the Daylight Indicator upside-down. Possible damage can occur from irrigation water that can gather in the screw holes, enter the unit, and damage the circuit board. Turf-Tec International Daylight Indicator – Light Meter - Copyright 2020 Page 2 - www.turf-tec.com...
  • Page 3: Where To Measure

    For taller crops, set a plastic or metal pipe into the ground, and slip the Daylight Indicator spike into the top to hold it at the desired height. Turf-Tec International Daylight Indicator – Light Meter - Copyright 2020 Page 3 - www.turf-tec.com...
  • Page 4 After 10 seconds the Daylight Indicator value will be erased, and a new 24 hour measurement period will begin. Pressing the button again before 10 seconds has elapsed will turn the unit off and save the DLI value. Turf-Tec International Daylight Indicator – Light Meter - Copyright 2020 Page 4 - www.turf-tec.com...
  • Page 5: Reading The Display

    Under the highest light levels, all four LEDs flash. The numbers at the top of the display (1500+, 30+) provide the “at least” values for these light levels. Turf-Tec International Daylight Indicator – Light Meter - Copyright 2020 Page 5 -...
  • Page 6: Light Intensity

    – the instantaneous amount of Light meters measure light delivered to an area. During the 24-hour Light Gathering period, the Daylight Indicator functions as a light meter. Turf-Tec International Daylight Indicator – Light Meter - Copyright 2020 Page 6 - www.turf-tec.com...
  • Page 7 DLI. Additionally, temperature is an important factor of plant growth and quality (table adapted from Hamrick, Debbie ed. Ball Red Book. Batavia, IL: Ball Publishing.2003). Turf-Tec International Daylight Indicator – Light Meter - Copyright 2020 Page 7 - www.turf-tec.com...
  • Page 8: Replacing The Battery

    Turf-Tec International. To make a claim under this Limited Warranty, you must return the complete tool, transportation prepaid, to Turf-Tec International after contacting Turf- Tec International and receiving a return authorization number.
  • Page 9 Turf-Tec International Daylight Indicator – Light Meter - Copyright 2020 Page 9 -...

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