The GPR-2500 is an industrial oxygen analyzer for percentage oxygen measurements in both general purpose or hazardous areas. Available in several variants, all of which are supplied in a lightweight NEMA enclosure with stainless steel wetted parts and easy to access maintenance-free electrochemical oxygen sensors for user-friendly and cost-effective maintenance.

  • Advanced galvanic electrochemical sensors
  • Measuring oxygen in ranges: 0-1% up to 0-100% (model dependant)
  • Accuracy of better than 2% of selected range
  • Auto-ranging or fixed range (user selectable)
  • Long lifespan of the GPR sensor of 32 months and more
  • Simple to use HMI

GPR-2500 N (ATEX) GPR-2500 A GPR-2500 MON GPR-2500 AMO
Measurement range 0-1%, 0-5%, 0-10%, 0-25% 0-100%
Accuracy < 2% of range at constant conditions
Response time T90 < 10 seconds T90 < 13 seconds
Sensitivity (LDL) < 0.5% of scale
Linearity <1% of scale
Sensor model GPR-11-32-4
XLT-11-24-4 for gases containing > 0.5% CO2
GPR-11-120-4
Sensor life GPR-11-32-4: 32 months in air 25°C (77°F) and 1 atm
XLT-11-24-4: 24 months in air 25°C (77°F) and 1 atm
GPR-11-120-4: 24 months in 100% O2
Calibration interval 30 days
Inlet pressure 0.34-2 barg (5-30 psig) with atmospheric vent
Flow rate 0.5-1.0 l/m (1-2 SCFH)
Gas connections 1/8" compression tube fittings
Wetted parts Stainless steel
Display Graphical LCD 7 x 3.5cm (2.75 x 1.375”); resolution 0.001% Graphical LCD 7 x 3.5cm (2.75 x 1.375”); resolution 0.1%
Enclosure Fiberglass NEMA 4X, 10.1 x 22.9 x 7.6cm (4 x 9 x 3")
Weight 3.6kg (8lbs)
Compensation Temperature Barometric pressure and temperature Temperature Barometric pressure and temperature
Signal output 4-20 mA
Alarms N/A Two user configurable alarms: magnetic coil relays rated 3A at 100 V AC N/A Two user configurable alarms: magnetic coil relays rated 3A at 100 V AC
Operating temperature GPR sensor: 5°C to 45°C (41°F to 113°F)
XLT sensor: -10° to 45°C (14°F to 113°F)
Power 18-24 V DC 12-28V DC non-loop or 110-220 V AC 18-24 V DC 12-28 V DC non-loop or 110-220 V AC
Area Classification II 2 G
Ex ia IIB T4 Gb
Tamb -20°C to +50°C


GPR-2500 Series

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Analytical Industries Inc.
2855 Metropolitan Place,
Pomona, CA, 91767
USA
909-392-6900