PRO903 Dilution Probe
PRO903 Dilution Probe
Thermo Scientific™

PRO903 Dilution Probe

Handle the toughest stack environments with this modular, external, low flow dilution probe designed for dry-basis measurement.

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Catalog number PRO903
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Description:
Dilution Probe

Handle the toughest stack environments with Thermo Scientific™ PRO903 Low Flow Dilution Probe, a modular, external, low flow dilution probe designed for dry-basis measurement that offers significant advantages over typical in-stack dilution probes.

The PRO903 dilution probe chills the sample stream via a thermoelectric collar to remove the moisture in the sample. Once the sample has been conditioned, dry air dilution lowers the sample dew point. The conditioned sample can then be transported via an unheated umbilical to the gas analyzer.

Key Features:

  • Automatic purge at probe filter and barrel to prevent PLC failure
  • Optional O2 measurement upgrade
  • Heated sample line not required
  • Filter and sample chiller temperatures controlled and alarmed by rack-mounted PID controllers

Recommended for:

  • Utility boilers
  • Pulp mills
  • Waste-to-energy facilities
  • Incinerators
  • Turbines
  • Refineries
  • Petro-chemical plants
  • Gas plants
  • Cogeneration facilities
Specifications
Temperature (English) Operating-4°F to +122°F
Temperature (Metric) Operating-20°C to +50°C
Air Supply RequirementsClean, dry air at -40°F (-40°C) dew point , 70 PSI minimum
Calibration0.64 cm (1/4 in.) OD PTFE (polytetrafluoroethylene)
Certifications/ComplianceMeets U.S. EPA requirements as defined in 40 CFR Part 75 and 40 CFR Part 60 for continuous emissions monitoring.
DescriptionDilution Probe
Dilution Ratios20:1 and 200:1 (standard)
Enclosure MaterialFiberglass
Mounting OptionsFour each, 1⁄2-13 X 2 in. SS bolts; Mates to customer's 4 in.-150 no. flange
Probe Barrel TypeCorrosion resistant material, Consult for lengths
Sample Orifice DetailsQuartz glass, temperature controlled at 300°F (149°C)
Voltage120 V
Unit SizeEach