Energy Adviser: Cut through light bulb confusion
News from The Columbian:

 

Buying a light bulb was at one time simple, uncomplicated and boring. When you needed one, you bought it. No more. Last year, with the incandescent bulb phaseout in favor of more energy-efficient technologies, figuring out what to replace that old 60-watt bulb with can be a bit puzzling.

First, one type of incandescent, the halogen bulb, is still available. They’re about 25 to 30 percent more efficient than old versions and last three times as long. While cheaper than CFL or LED bulbs, they save you less over their lifetime, about $ 2 a bulb.

Second, the rating of bulbs has changed from watts to lumens. It makes a lot of sense, because watts are a measure of power, not light. Consider it simply a technology shift — like the sometimes uncomfortable coexistence of inches and centimeters.

To create light, incandescent bulbs heat filament that in turn gives off light and heat. Manufacturers rated them by the power, or watts, they consumed. Now the CFL and LED bulbs consume fewer watts and give off more ligh…………… continues on The Columbian

… Read the full article
.

Related News:

Harman’s Martin Introduces RUSH PAR 2 CT Zoom Lighting Fixture
News from Live Design:

AMSTERDAM, The Netherlands — Today at Integrated Systems Europe (ISE) 2015, HARMAN’s Martin Professional introduced the RUSH PAR 2 CT Zoom lighting fixture, the latest addition to the RUSH by Martin line for the installation and entertainment markets. The RUSH PAR 2 CT Zoom is a bright single-lens LED PAR can that offers fully pre-mixed white color temperatures for a range of applications.

“I am pleased to announce the launch of the RUSH PAR 2 CT Zoom, which will be an ideal companion to our highly successful RUSH PAR 2 RGBW Zoom,” said Mark Buss, Product Manager for RUSH by Martin. “The ability to pre-mix white light ranging from 2700K to 7200K will offer lighting designers full flexibility for installations ranging from nightclubs and theatre applications to conferences and exhibitions.”

With twelve 10-Watt WW/CW (warm white and cold white) LEDs and a motorized zoom ranging from 10 to 60 degrees, the RUSH PAR 2 CT Zoom provides bright pre-mixed white color washes as well as electronic dimming and variable strobe effects. The fixture features a unique temperature-controlled cooling system that ensures smooth, low-noise operation.

While the RUSH PAR 2 CT Zoom is DMX-controllable (5-pin XLR), it also offers a stand-alone mode via an LCD display control panel. The luminaire is housed in black aluminum frame and is supplied with a flexible bracket…………… continues on Live Design

… Read the full article