devices to measure opacity

[Freddy Martinez]

We need information about the devices or equipment to measure opacity in the catalyst get out of the stack.
Someone know models or vendors and can tell me his experience ?
thank 

[Anonymous]

Hi

(PCME) Particulate and Compliance Emission Monitoring
http://www.pcme.com/

If anyone here having this device please share experience?

EMAD

[Author]

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