LPV Transmissometer
LPV-3
Transmissometer
NGN-2a
Nephelometer
NGN-3a
Nephelometer
Publications
Links
Price List
Visibility
Introduction
Page 1
Page 2
About Us
Dealers
Optec, Inc.
Products
Home
Considerations in the Accuracy of a Long-Path Transmissometer
by Dr. William C. Malm, Air Quality Division, National Park Service, Cooperative Institute for Research in the Atmosphere, Foothills Campus, Colorado State University, Fort Collins, Colorado and Gerald Persha, Optec, Inc., Lowell, Michigan - ©1991, Elsevier Science Publishing Co., Inc.
Application of a Long Range Transmissometer to Measure the Ambient Atmospheric Extinction Coefficient in Remote Pristine Environments,
by John V. Molenar, David L. Dietrich, Roger M. Tree, Air Resource Specilists, Inc., Fort Collins, Colorado; William C. Malm, Air Quality Division - National Park Service, Fort Collins, Colorado; and Gerald Persha, Optec, Inc. , Lowell, Michigan - 1989.
Transmissometer Extinction Measurements in an Urban Environment,
by David L. Dietrich, John V. Molenar, John F. Faust, Air Resource Specialists, Inc. , Fort Collins, Colorado; and John G. Watson, Desert Research Institute, University of Nevada, Reno, Nevada - 1988.
The Relative Accuracy of Transmissometer Derived Extinction Coefficients,
by William C. Malm, Air Quality Division, National Park Service, Cooperative Institute for Research in the Atmosphere, Foothills Campus, Colorado State University, Fort Collins, Colorado; Gerald Persha, Optec, Inc., Lowell, Michigan; Roger Tree, Air Resource Specialists, Inc., Fort Collins, Colorado; Hariharan K. Iyer, Department of Statistics, Colorado State University, Fort Collins, Colorado; and Elizabeth Law-Evans, Cooperative Institute for Research in the Atmosphere, Foothills Campus, Colorado State University, Fort Collins, Colorado - 1988.
Long Path Transmissometer for Measuring Ambient Atmospheric Extinction,
by John V. Molenar, Air Resource Specialists, Inc., Fort Collins, Colorado; Gerald Persha, Optec, Inc., Lowell, Michigan; and William C. Malm, National Park Service, Air Quality Office, Fort Collins, Colorado - 1989.
Visbility and Aerosol Composition in the Fraser Valley During REVEAL
Visibility Technical Papers
by S.C. Pryor, R. Simpson, L.Guise-Bagley, R. Hoff and S. Sakiyama, Journal Air and Waste Management Association, 47: 147-156, 1997
Regional Haze in Colorado
primer written by Air Polution Control Division, State of Colorado
Visibility Monitoring Guidance Document
primer written by U.S. ENVIRONMENTAL PROTECTION AGENCY, Emissions Monitoring and Analysis Division, Monitoring and Quality Assurance Group, MD-14, Research Triangle Park, NC 27711
Return to Page 1
Publications - page 2
NGN
LPV
This document is specially good in explaining all aspects of the theory, operation and data reduction procedures with regards to our transmissometer and NGN-2 nephelometer.
Open-Path Transmissometry for Measurement of Visibility Impairment by Fugitive Emissions from Livestock Facilities
by Brent Auvermann, Naruki Hiranuma, Kevin Heflin and Gary Marek. Presented at ASAE/CSAE August, 2004
Contact/Order
Improvement of Field Calibration of a Transmissometer for Visibility Measurement
Kyung W. Kim* and Young J. Kim
Department of Environmental Science and Engineering, Gyeongju University, Gyeongju, Korea,
Advanced Environmental Monitoring Research Center (ADEMRC)
Department of Environmental Science & Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, Korea
*Corresponding author.