Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New Reduced price! 
View larger
View larger 
IES LM-71-14
M00011393
New product
IES LM-71-14 IES Approved Guide: Photometric Measurement of Tunnel Lighting Installations
standard by Illuminating Engineering Society, 10/16/2014
In stock
More info
Full Description
This LM guide defines adequate and uniform procedures for measuring and reporting the photometric characteristics of tunnel lighting installations. The measurement of those factors that determine theperformance of tunnel lighting installations are specifically related to ANSI/IES RP-22-11.Included in this guide are specific luminance and illuminance measurement methods applied to tunnels and the location of test points for these measurements.