Pollution Engineering - January 2009 - (Page 37) Advertorial Dwyer Instruments Inc. TECHNOLOGYPROFILE Series DH3 Differential Pressure Controller from Dwyer Instruments Inc. wyer Instruments Inc., Series DH3 Differential Pressure Controller provides a 4-20 mA process output, 2 SPDT relays with adjustable deadbands, and a large, bright backlit LCD display. The DH3 offers simplified programming via a menu key that enables the user to select: security level; set point, or set point and alarm operation; auto or manual alarm reset; English or Metric engineering units; pressure, velocity or flow operation, K-factor for use with various Pitot tubes and flow sensors, circular or rectangular duct size for volumetric flow operation plus many more. The robust Photohelic® gage style aluminum housing is rated NEMA 4X on the front face when properly installed in a control panel. The sensing element can detect low differential pressures down to 0.25 inches w.c. up to 100 inches w.c. Bidirectional ranges are also available. These features make the DH3 Digihelic® Differential Pressure Controller the ideal instrument for monitoring pressures in various rooms, zones and ducts in factories, laboratories or buildings. (800) 872-9141 or (219) 879-8000 lit@dwyer-inst.com www.dwyer-inst.com D INSURANCE THAT YOUR POLLUTION SYSTEMS ARE PERFORMING AS DESIGNED Series DH3 Series DHII Series DH Manage the pressure or flow of your plant exhaust with The Dwyer Digihelic® Differential Pressure Control • Selectable Engineering Units in Pressure, Velocity and Flow • 2 SPDT Relays, 4-20 mA Output & RS-485 Communications for Process Datalogging & Graphing Dwyer Instruments, Inc. Michigan City, IN • phone: 1-800-872-9141• fax: 219-872-9057 • e-mail: lit@dwyer-inst.com www.dwyer-inst.com PLE05084Dwye.indd 1 JANUARY2009 www.pollutionengineering.com AM 3/21/08 11:20:02 37 http://www.pollutionengineering.com
Table of Contents Feed for the Digital Edition of Pollution Engineering - January 2009 Pollution Engineering - January 2009 Contents The Editor’s Desk EnviroNews PE Events Legal Lookout Green Connections Ten Top Technologies for 2009 Old Fashioned Chemistry Emitting Education NGWA Reports from Its Annual Meeting A Wood and a Pond Company Technical Profiles Filtration/Membrane Products Flow and Level Monitoring Equipment Classified Marketplace Advertisers Index State Rules Pollution Engineering - January 2009 Pollution Engineering - January 2009 - (Page IntroA) Pollution Engineering - January 2009 - Pollution Engineering - January 2009 (Page Cover1) Pollution Engineering - January 2009 - Pollution Engineering - January 2009 (Page Cover2) Pollution Engineering - January 2009 - Pollution Engineering - January 2009 (Page 3) Pollution Engineering - January 2009 - Contents (Page 4) Pollution Engineering - January 2009 - Contents (Page 5) Pollution Engineering - January 2009 - Contents (Page 6) Pollution Engineering - January 2009 - The Editor’s Desk (Page 7) Pollution Engineering - January 2009 - The Editor’s Desk (Page 8) Pollution Engineering - January 2009 - PE Events (Page 9) Pollution Engineering - January 2009 - PE Events (Page 10) Pollution Engineering - January 2009 - PE Events (Page 11) Pollution Engineering - January 2009 - PE Events (Page 12) Pollution Engineering - January 2009 - PE Events (Page 13) Pollution Engineering - January 2009 - PE Events (Page 14) Pollution Engineering - January 2009 - Legal Lookout (Page 15) Pollution Engineering - January 2009 - Legal Lookout (Page 16) Pollution Engineering - January 2009 - Green Connections (Page 17) Pollution Engineering - January 2009 - Ten Top Technologies for 2009 (Page 18) Pollution Engineering - January 2009 - Ten Top Technologies for 2009 (Page 19) Pollution Engineering - January 2009 - Ten Top Technologies for 2009 (Page 20) Pollution Engineering - January 2009 - Ten Top Technologies for 2009 (Page 21) Pollution Engineering - January 2009 - Ten Top Technologies for 2009 (Page 22) Pollution Engineering - January 2009 - Old Fashioned Chemistry (Page 23) Pollution Engineering - January 2009 - Emitting Education (Page 24) Pollution Engineering - January 2009 - Emitting Education (Page 25) Pollution Engineering - January 2009 - Emitting Education (Page 26) Pollution Engineering - January 2009 - NGWA Reports from Its Annual Meeting (Page 27) Pollution Engineering - January 2009 - A Wood and a Pond (Page 28) Pollution Engineering - January 2009 - A Wood and a Pond (Page 29) Pollution Engineering - January 2009 - Company Technical Profiles (Page 30) Pollution Engineering - January 2009 - Company Technical Profiles (Page 31) Pollution Engineering - January 2009 - Company Technical Profiles (Page 32) Pollution Engineering - January 2009 - Company Technical Profiles (Page 33) Pollution Engineering - January 2009 - Company Technical Profiles (Page 34) Pollution Engineering - January 2009 - Company Technical Profiles (Page 35) Pollution Engineering - January 2009 - Company Technical Profiles (Page 36) Pollution Engineering - January 2009 - Company Technical Profiles (Page 37) Pollution Engineering - January 2009 - Company Technical Profiles (Page 38) Pollution Engineering - January 2009 - Company Technical Profiles (Page 39) Pollution Engineering - January 2009 - Company Technical Profiles (Page 40) Pollution Engineering - January 2009 - Company Technical Profiles (Page 41) Pollution Engineering - January 2009 - Company Technical Profiles (Page 42) Pollution Engineering - January 2009 - Company Technical Profiles (Page 43) Pollution Engineering - January 2009 - Company Technical Profiles (Page 44) Pollution Engineering - January 2009 - Company Technical Profiles (Page 45) Pollution Engineering - January 2009 - Company Technical Profiles (Page 46) Pollution Engineering - January 2009 - Company Technical Profiles (Page 47) Pollution Engineering - January 2009 - Company Technical Profiles (Page 48) Pollution Engineering - January 2009 - Flow and Level Monitoring Equipment (Page 49) Pollution Engineering - January 2009 - Flow and Level Monitoring Equipment (Page 50) Pollution Engineering - January 2009 - Classified Marketplace (Page 51) Pollution Engineering - January 2009 - Classified Marketplace (Page 52) Pollution Engineering - January 2009 - Classified Marketplace (Page 53) Pollution Engineering - January 2009 - Classified Marketplace (Page 54) Pollution Engineering - January 2009 - Classified Marketplace (Page 55) Pollution Engineering - January 2009 - Classified Marketplace (Page 56) Pollution Engineering - January 2009 - Advertisers Index (Page 57) Pollution Engineering - January 2009 - State Rules (Page 58) Pollution Engineering - January 2009 - State Rules (Page Cover3) Pollution Engineering - January 2009 - State Rules (Page Cover4)
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