Ametek Process Instruments - THERMOX

- Model WDG 1200 Insitu - Flue Gas Oxygen Analyzer with Automatic Calibration & Modbus Output

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The WDG 1200 Insitu and the WDG 1210 Insitu are rugged, reliable flue gas analyzers for net oxygen that use industry-proven zirconium oxide sensor technology. The outer probe tube is 310 stainless steel so no abrasion shield is needed for most applications. The controller features precision temperature control for optimum stability, built-in diagnostics, and over-temperature protection. Modbus and 4-20 mA outputs are standard; automatic calibration is available. The unique sensor design allows the entire sensor assembly, including the heater, to be removed without disturbing the outer protection tube which remains in the process. This makes field service fast and easy, and because there is no need to return the probe to the factory for repair, there’s no expensive downtime.

  • Combustion efficiency and control
  • Gas, oil, or coal-fired boilers
  • NOx reduction systems
  • Shipboard boilers
  • Excess air measurement
  • Pollution control

Insitu Probe

  • Insitu Probe Accuracy (O2): ±1% of measured value or ±0.05% oxygen, whichever is greater
  • Response: Cal Gas (Less Then)3 seconds; process
  • Drift: (Less Then)0.1% of cell output per month (less than 0.005% O2, per moth with 2% O2applied) 
  • Linearity: ± 1% of output span
  • Repeatability: ±1% of output span
  • Max. Flue Gas Temp: 1472ºF (800ºC)
  • Environment: Indoor/Outdoor Use
  • Ambient Temp: -5ºF to 160ºF (-20ºC to 71ºC)
  • Relative Humidity: 10% to 95%, non-condensing
  • Probe Lengths: 9' (0.23 m), 18' (0.45m), 36' (0.9m), 72' (1.8 m), 108' (2.7m)
  • Enclosures: NEMA 4X/IP65

  • EN 50 081
  • EN 50 082
  • EN61010-1

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