Gas Management

Maintain Weld Quality During the OXY Process

Precision purging is essential for controlling weld quality, particularly when welding high-alloy, corrosion-resistant materials that are extremely sensitive to oxygen in the welding process.

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Gas Management Brochure

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OXY 3 Analyzer 

Residual Oxygen Analyzers

  • Simple menu navigation
  • For inert gases and mixed gases containing hydrogen
  • Measuring cell made of zirconium oxide—0 maintenance
  • Large, high resolution touch screen panel
  • SD card interface stores documentation
  • User adjustable alarm limits and thresholds
  • Shows figures outside set-point values
  • Audible key tones and alarms
  • Compatible with Bluetooth devices

Package Includes 

  • Power cable
  • Hors set, 3 m including filter and stainless steel probe
  • Calibration certificate
  • Plastic carrying case

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Praxair Gas Management


Part No.Measuring RangeAmbient Temperature 

Measuring Accuracy 

Stabilization Time 

Response Time 

Dimensions (L x W x H)

Mains Voltage 

Heating Cycle Load 

Standard Load 

OXY 3 Analyzer 5 ppm - 21% O₂0 - 45° C +/- 0.3 mV (EMK sensor)10 - 14 min.Approx. 2 seconds for changer 190 mm x 270 mm x 55 mm 

Multi-range 90 - 260 VAC

approx. 40 VAapprox. 20 VA

Purge Pressure Analyzer - PPA 2500

Purge Pressure Analyzer

  • Digital ID purge pressure gauge
  • Purge pressure monitoring is part of the weld schedule program and weld data record

Package Includes 

  • Includes sampling hose
  • Integrates with Tigtronic Compact controllers

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Praxair Purge Pressure Analyzer - PPA 2500