Example of an absolute reading radiometer displaying four different bandwidths simultaneously

Example of an absolute reading radiometer displaying four different bandwidths simultaneously. (Courtesy of EIT, Inc.) 

On-line monitoring equipment provides continuous monitoring of UV lamp intensity. Results are displayed as a percentage of the original output, which 

Equipmenf manufacfurers suggest sensor locations as shown in Eigure 9.11. However, since lamps vary in design and installation, these locations may in some cases be different. 

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