![Land 4500 MKII Premier Operation And Maintenance Manual Download Page 11](http://html1.mh-extra.com/html/land/4500-mkii-premier/4500-mkii-premier_operation-and-maintenance-manual_3476555011.webp)
Model 4500 Premier Dust and Opacity Monitor
11
A1
General Description
The Model 4500 Premier is designed for continuous operation in all weather conditions. Maintenance
requirements are minimal.
The Land Instruments International Model 4500 Premier Continuous Opacity Monitoring System (COMS)
measures opacity by shining a light beam through flue gases.
An internal microprocessor calculates dust density and other parameters.
Transceiver
Containing all of the major electronic and electro–optic components.
Retro-Reflector
Containing a corner cube reflector.
Termination Box
For customer terminations.
Air Purge System
A continuous supply of purge air essential to prevent dust and
(Not shown)
corrosive gases from affecting the optical system. Single and dual
electric blowers or compressed-air driven devices are available to
suite individual site requirements. Automatic fail–safe shutters can
also be fitted for temporary protection in the event of a purge air
failure.
Control Room Unit
A remote data display unit. (optional)
Weatherproof Cover
For full environmental protection. (optional)
Control Room Unit
Retro-Reflector
Termination Box
Transceiver
Summary of Contents for 4500 MKII Premier
Page 2: ......
Page 4: ......
Page 10: ......
Page 28: ...Model 4500 Premier Dust and Opacity Monitor 28...
Page 135: ...Model 4500 Premier Dust Opacity Monitor Appendix Part No 770 084...
Page 136: ......