Starting at $4,825.00
  • Usually ships in 25 weeks



  • 0 to 25% measurement range
  • Temperature compensation
  • 0.1% O2 sensitivity (LDL)
  • <1% of scale linearity
  • XLT-11-24 and XLT-11-24-LD sensor options available for gases containing >0.5% CO2
  • Sensor lifespan at 25°C (77°F) and 1 atm:
    • GPR sensors: 32 months in air
    • XLT sensors: 24 months in air
  • 4-20 mA output
  • 18-24V DC loop powered
  • Fiberglass NEMA 4X and painted aluminum Exd enclosure
  • ATEX: II 2 G Ex ia IIB T4 Gb T amb -20°C to +50°C area classification


The AII GPR-2800 IS Oxygen Monitor is a 18-24V DC loop powered transmitter and provides a 4-20mA output with temperature compensation. It is designed for use in hazardous areas, measuring the oxygen concentration where there is potential for gas leaks to prevent oxygen depletion or asphyxiation and ensure safety of personnel.


  • Cylinder storage areas
  • Rooms with gas lines
  • Rooms with purged processes or vessels
  • Large chambers that are purged with inert or other gases
  • Confined spaces