A panel mounted oxygen analyser with a remote sensor allows flexibility of installation. The GPR-1900 gas analyzer is suitable for trace oxygen measurements as low as 0-1 ppm; the GPR-2900 measures O2 up to 100%. The remote sensor block allows a very easy oxygen sensor replacement for simple and fast maintenance and low cost of ownership. All versions can be locked manually to a single range or auto-range. The user is always aware of the oxygen measurement range used via the range ID output.

  • Measurement ranges from 0-1ppm up to 0-100% O2
  • Barometric pressure and temperature compensation
  • Accuracy of better than 2% of range
  • Two user configurable alarms
  • Range ID output
  • 12-28 V DC or mains powered options
  • XLT sensor options for CO2 backgrounds

GPR-1900 MS2 GPR-1900 GPR-2900
Measurement range 0-1, 0-10, 0-100, 0-1000 ppm 0-10, 0-100, 0-1000 ppm, 0-1%, 0-25% 0-1%, 0-5%, 0-10%, 0-25%;
optional 0-1%, 0-5%, 0-10%, 0-100%
Accuracy < 2% of range at constant conditions
Response time T90 < 10 seconds
Recovery time 2 minutes 9 ppm to 10 ppb in < 10 min on N2 purge
30 seconds in air to < 1 ppm in < 45 min on N2 purge
60 seconds in air to < 10 ppm in < 1 hr on N2 purge NA
Sensitivity (LDL) 5 ppb 0.05 ppm 0.005%
Linearity < 0.5% of scale
Sensor model GPR-12-2000MS2 GPR-12-333
XLT-12-333-for gases containing > 0.5% CO2
GPR-11-60-4
XLT-11-24-4 for gases containing > 0.5% CO2
Sensor life 25ºC (77°F) and 1 atm 36 months in < 100 ppm O2 24 months in < 1000 ppm O2
6 months in air
GPR-11-60-4 60 months in air
XLT-11-24-4 24 months in air
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 Delrin; stainless steel optional
Display Graphical LCD 12.7 x 7cm (5 x 2.75”); resolution 0.001 ppm GPR-1900 MS2, 0.01 ppm GPR-1999, 0.001% GPR-2900
Enclosure Painted aluminum 6" x 4" x 4" panel mount
Compensation Barometric pressure and temperature
Signal output 4-20 mA or 1-5V
Range ID 4-20 mA non-isolated or 1-5V
Option: reassign relay contacts (eliminates standard alarms).
Alarms Two user configurable alarms: magnetic coil relays rated 3A at 100 V AC
Operating temperature GPR sensors: 5°C to 45°C (41°F to 113°F)
XLT sensors: -10°C to 45°C (14°F to 113°F)
Power 100-240 V AC or 12-28 V DC


GPR-1900/MS2 & GPR-2900

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