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5246 Cleveland Road
Wooster, OH 44691
PHONE: 877.616.0600
FAX: 330.345.5944
info@ri-gas.com
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technical information |
= Discontinued or Obsolete
- Opacity
Opacity is the degree to which the transmission of light is reduced or the degree to which visibility of a background, as viewed through the diameter of a plume, is reduced. A transmissometer (or opacity analyzer) measures the amount of light that is lost to scattering or absorption in the emission's effluent. It is expressed in percentage usually, but sometimes in Ringelmann numbers.
OPM2000
OPM2000A
OPM2000R
OPM2001
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