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Rosemount™ OPM3000 Opacity Dust Density Monitor (Obsolete)
rosemount opm3000
This product is now obsolete.
Relevant documents and drawings are listed below.
Contact your local Emerson representative for your measurement needs.
Rosemount™ OPM3000 Opacity Dust Density Monitor (Obsolete)


Enclosure Rating
Panel mounted IP65/NEMA4X Dimensions 96 x 96 x 64 mm (3.8x3.8"x2.5"). Power 20.4 to 28.8 VDC < 10 % ripple
400 mA."
CE and UL Listed


  • USEPA ASTM D 6216 and 40 CFR 60 PS-1 grade optics
  • Alignment viewing port enables the operator to visually check system alignment at anytime during operation
  • Dual beam measurement assures high sensitivity, freedom from errors due to vibration or minor misalignment
  • Insensitive to ambient light
  • The solid-state light modulation system eliminates possible interference due to ambient light
  • Automatic lamp aging compensation
  • All measurements are made on a ratio basis and are independent of the absolute intensity of the light source
  • Three user selectable displays
  • Optional SD Card for program backup and changes
  • Communications via MODBUS RS485 or 4–20mA output
  • CE and (C)UL Listed
  • Password protected settings