High-accuracy analyzers for monitoring oxygen in industrial processes from low parts per million to pure O2. Simple to use with a common, across-the-range chassis, HMI and menu structure, so an operator only needs to learn one instrument for multiple applications. Available as bench-, 19" rack-, panel- and wall-mounted for flexible installation.

  • Easy to use HMI
  • High accuracy ( ±0.02 ppm in lowest range)
  • Four measurement ranges with manual or auto-ranging
  • 24 month sensor life with normal usage
  • Sample in CO2 backgrounds with XLT sensor
  • Bench, rack or wall mounting options
  • Two Alarms
  • Integrated bypass valve (for GPR-1600)
  • Easy access and sensor replacement
  • Easy to use HMI

GPR-1600 GPR-2600 GPR-3100
Measurement range 0-10, 0-100, 0-1000 ppm, 0-1%
(0-25% calibration only)
0-1%, 0-5%, 0-10%, 0-25% Suppressed ranges: 90-100%, 80-100%, 50-100% and 0-100%
Accuracy < ±2% of range
±0.1% at constant conditions after calibration with 95-100% oxygen (GPR-3100)
Response time T90 < 10 seconds T90 < 13 seconds
Recovery Time 60 sec in air to < 10 ppm in < 1 hour on N2 purge Not applicable
Sensitivity (LDL) 50 ppb 50 ppm 0.1% oxygen
Linearity < 0.5% of scale
Sensor model GPR-12-333
XLT-12-333 for gas mixture with > 0.5% CO2
GPR-11-32-4
XLT-11-24-4 for gas mixture with > 0.5% CO2
GPR-11-120-OP
Sensor life at 25°C and 1 atm 24 months in < 1000 ppm O2 GPR-11-32-4 32 months; XLT-11-24-4 24 months 24 months in 100% oxygen
Calibration interval Typically: 1-3 months
Inlet pressure 0.34 - 2 barg (5-30 psig) with atmospheric vent 248 bar g (3600psig)
Flow rate 0.5 - 1.0 l/m (1-2 SCFH)
Gas connections 1/4" compression tube fittings
Display Graphical LCD 12.7 x 7cm (5 x 2.75"); resolution 0.01
Enclosure Painted aluminum
See individual mounting options for dimensions
Compensation Barometric pressure and temperature;
Temperature controlled sample system and sensor (GPR-3100 only)
Analog output 4-20 mA isolated, 0-1V, and 0-5V
Range ID 1-5 V or 4-20mA, optional relay contacts
Communications Choose from RS485, RS232 or USB
Alarms Two user-adjustable alarm relays
Operating temperature GPR sensor: 5°C to 45°C (41°F to 113°F)
XLT sensor: -10°C to 45°C (14°F to 113°F)
Power Universal 100-240 V AC


GPR-1600, GPR-2600, GPR-3100

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