
DLI JOULE 1000W
by Dutch Lighting Innovations
Featuring a low-profile housing and a built-in spirit level, this design ensures easy installation and precise alignment in any setup. Its specialized manufacturing process delivers superior light spread, providing more even coverage and improved performance across the growing area.

Key Information
The DLI JOULE 1000W 208–400V DE-DC is engineered specifically for low-ceiling cultivation rooms and greenhouse environments. Designed by DLI for maximum efficiency in compact spaces, this fixture delivers exceptional performance where vertical clearance is limited. Its advanced reflector technology provides outstanding efficiency and uniformity, ensuring that more than 95% of the emitted light reaches the crop—either directly or through the optimized reflector surface—resulting in consistent, high-quality plant illumination.
Tech Specs
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Output µmol/s 2100
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Beam Angle 140° WIDE
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Power 1000W
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Voltage Range 208V - 400V
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Efficiency µmol/J 2.0
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Dimming 60% - 115%
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IP Rating IP20
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Product Dimensions 22.8 x 11.4 x 7.1 inch / 58 x29 x 18 cm
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Product Weight 11.7 lb / 5.3 kg
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Certifications CE, CSA, FCC part 18, UL 1598, CB
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Country of Origin The Netherlands
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Warranty 3 Years
Additional Info
This fixture is engineered by DLI to deliver exceptional performance in environments with limited vertical height, making it ideal for low-ceiling grow rooms and modern greenhouse installations. Its highly efficient reflector design provides excellent uniformity, ensuring that more than 95% of the available light is transmitted to the plants for consistent, reliable illumination across the entire canopy.


