He ended up making two light therapy lamps, one of them directional and the other omni-directional. They both use ballast-controlled ceramic metal halide bulbs. The ballasts are necessary to ...

He ended up making two light therapy lamps, one of them directional and the other omni-directional. They both use ballast-controlled ceramic metal halide bulbs. The ballasts are necessary to ...

High intensity discharge lamps contain compact arc tubes that enclose various gases and metal salts. They operate at relatively high pressures and temperatures. High intensity discharge (HID) is a ...

It covers the UV-VIS range and comes with an optional IR. The lifespan of the lamp is the same as that of the Metal Halide 400 W lamps, that is, 1500 hours. Note: Spare 500 W Xenon lamps cost two to ...