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#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where pid='425873' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\ipLcv.com\includes\db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where pid='425873' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\ipLcv.com\comment\module\CommentContent.php:167] #2 CommentContent() called at [D:\wwwroot\ipLcv.com\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\ipLcv.com\comment\html\index.php:13]
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 客户点评-The Principle Of Operation And Advantages Of Occupancy Sensors Are Nicely Understood. By Turning Off The Lights When A Space Is Unoccupied, Vitality Financial Savings Can Result By Eliminating Waste. 买球平台_买球代理平台
 
 
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The Principle Of Operation And Advantages Of Occupancy Sensors Are Nicely Understood. By Turning Off The Lights When A Space Is Unoccupied, Vitality Financial Savings Can Result By Eliminating Waste.
The principle of operation and advantages of occupancy sensors are nicely understood. By turning off the lights when a space is unoccupied, vitality financial savings can result by eliminating waste. Occupancy sensors can even enhance security and cut back mild pollution. In response to the U.S. Environmental Protection Agency, power financial savings can range from 40 to forty six % in classrooms, thirteen to 50 % in non-public places of work, 30 to 90 p.c in restrooms, 22 to 65 percent in convention rooms, 30 to 80 p.c in corridors, and www.lawrence.com forty five to 80 percent in storage areas. As a consequence of their relative simplicity and excessive vitality financial savings, coupled with the requirement in prevailing vitality codes for automatic lighting shut-off, occupancy sensors are rapidly turning into a normal function in new buildings and retrofits. State energy codes within the United States must be at the very least as stringent as the ASHRAE/IES 90.1-1999 commonplace, which requires automated shut-off of lighting in industrial buildings greater than 5,000 sq.ft. Automatic shut-off can be supplied by occupancy sensors or programmable time scheduling gadgets. When occupancy in a space is intermittent or not predictable, occupancy sensors are economical. While today’s occupancy sensors supply sturdy features, proven utility and reliability, they stay utility-delicate units, which requires a correctly educated designer and installer for the controls to be efficient. The suitable occupancy sensor must be chosen, it should be properly positioned and put in, and it have to be field-calibrated. Electrical contractors in and around Philadelphia, PA. Lighting, Delaware County, electrician.
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