Double Ended Lamps
The DE (double ended) grow lamps connect to the power line via 2 connectors. The glass is made of quartz and are 5cm shorter than SE (single ended) HPS bulbs.
DE lamps are 25 to 30% more efficient than a normal single-ended HPS lamps. This is confirmed by Utah State University (UT, USA). HPS Double Ended lamps have a wide choice of voltages from 120 to 400 volts, and are typically designed to work in 750 or 1000 watt pre-wired systems.
Example of the efficiency of HPS Double Ended lamps, micromoles for 30 cm2:
1000w HPS single-ended lamp (Philips): 1550 micromoles
1000w HPS Double-ended lamp (Philips): 2100 micromoles
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1000w | 400V Lumatek Double Ended Professional lamp
The newest technology in High Pressure Sodium are the Double Ended HPS bulbs. The brightest and most efficient of all HPS lamps delivering more light per consumed watt of power. Learn More
Minimal Price: $ 166.50
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