Oxymitter 4000

Oxymitter 4000 In Situ Oxygen Transmitter

Emerson is the leader in oxygen flue gas analyzer technology. Our Hagan in situ, ziconium oxide oxygen analyzers have long been established as industry standards. We've combined our Hagan expertise with the latest Rosemount Analytical transmitter technology to create a truly revolutionary package; the Oxymitter 4000.

The Oxymitter 4000 In Situ Oxygen Transmitter is the world's first in situ, zirconium oxide-based oxygen transmitter for flue gas measurement with an explosion-proof rating. These oxygen measurements can be used in a control system or by a boiler operator to fine tune burner fuel/air ratios for maximum efficiency.


  • Digital HART® communications; AMS® and PlantWeb® compatible
  • Adaptable to any existing oxygen probe installation
  • Unique architecture; electronics mounted in the probe head
  • Advanced sensor diagnostics; calibration recommended
  • Robust, highly integrated electronics consume 95% less power


  • Outstanding accuracy
  • Simplified installation; no electronics box, probe cable or conduit
  • Fully field repairable
  • Surface mount technology improves reliability and vibration resistance

Stoichiometer Specification

  • Net O2 Range: 0-10%, 0-40% variable O2
  • Accuracy: Typically +/-.75% of reading or 0.05% O2, whichever is greater.  Lowest detectable limit .05% O2
  • System Response to Test Gas: Initial response in less than 3 seconds T90 in less than 8 seconds

843 C Specification

  • Temperature Limits
  • Process: 32º to 1300ºF (0º to 704ºC) up to 1832ºF (1000ºC) with optional accessories
  • Electronics/Probe: -40º to 185ºF (-40º to 85ºC) actual temperature inside electronics
  • Local operator interface: -40º to 185ºF (-40º to 85ºC)
  • IR thru-glass push buttons: -40º to 158ºF (-40º to 70ºC)

Probe Lengths, Nominal and Approximate Shipping Weights

  • 18 in. (457 mm) package: 16 pounds (7.3 kg)
  • 3 foot (0.91 m) package: 21 pounds (9.5 kg)
  • 6 foot (1.83 m) package: 27 pounds (12.2 kg)
  • 9 foot (2.74 m) package: 33 pounds (15.0 kg)
  • 12 foot (3.66 m) package: 39 pounds (17.7 kg)
  • 15 foot (4.6 m) package: 45 pounds (20.5 kg)
  • 18 foot (5.5 m) package: 51 pounds (23.0 kg)

Mounting and Mounting Position

  • Vertical or horizontal
  • Spool pieces are available, P/N 3D39761G02, to offset transmitter housing from hot duct work


  • Probe: Wetted or welded parts - 316L stainless steel.  Non-wetted parts - 304 stainless steel, low-copper aluminum
  • Electronics enclosure: Low-copper aluminum


  • Semi-automatic or automatic


  • NEMA 4X, IP 66 with fitting and pipe on reference exhaust port to clean dry atmosphere


  • Boilers
  • Process heaters
  • Kilns
  • Reheat furnaces

Oxymitter™ 4000
SPS 4001B, IMPS 4000 and MPS 3000 Autocalibration Systems
Oxygen Test Kits

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