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Rosemount™ 951C Chemiluminescence NOx Analyzer
rosemount 951c analyzer
The Model 951C NOX Analyzer features a heated, temperature-controlled, carbon-based converter for NOX analysis.
This unique converter, operating at a relatively low temperature offers prolonged life and freedom from interference that may adversely affect other types of converters. Control of the converter temperature and a heater indicator lamp are provided behind the front panel for simple adjustment.
Rosemount™ 951C Chemiluminescence NOx Analyzer


Power Supply
115/230 VAC ±10%. 50/60 Hz ±3 Hz , 570 W maximum
Enclosure Rating
General purpose for installation in weather protected areas
8 11/16 inches (221 mm) H
19 inches (483 mm) W
19 inches (483 mm) D
60 lbs. (27 kg) approx.


  • Measures NOx in stationary source monitoring applications
  • 0.1 ppm sensitivity
  • Standard 19"� rack mounting
  • 4 field-selectable ranges
  • Thermoelectrically-cooled detector and temperature-controlled case
  • Atmospheric pressure operation
  • Internal UV ozone generation
  • Internal sample bypass flow
  • Low installation costs
  • Low maintenance costs