The various 500-Series models all use the same main frame, and differ only in the number of ultraviolet bulbs. PL-元6W bulbs are also considerably more robust than the TL20’s, reducing any chance of breakage.Ĭlick here for more info on phototherapy bulbs.
Other benefits include lower re-bulbing costs because there are fewer bulbs and the two rival bulb types have about the same cost. It also means an overall smaller device, less weight, and far better portability. What does this mean to you? More UV light intensity (irradiance) means shorter treatment times, while still providing totally adequate coverage for hand/foot treatments & spot targeting. Benefited by their superior shape, these smaller yet more powerful bulbs have a published 5-hour UVB radiation of 6.2 watts each 2.7 times that of the TL20 bulbs, with only 1.8 times the input power. The SolRx 500‑Series, on the other hand, uses up to five modern 36-watt “long compact fluorescent” twin-tube bulbs, (Philips PL-元6W/01) for a total of 180 watts of bulb power. These bulbs have a published 5-hour UVB radiation of 2.3 watts each. Another important feature of the SolRx 500‑Series UVB-Narrowband device is its far superior power density. Most competitive devices use eight or ten 20-watt, 2-foot long single tube “T12” bulbs, (Philips TL20W/01) for a total of 160 to 200 watts of bulb power.
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