Analytical Industries offer portable oxygen analyzers for applications where trace oxygen or gas purity must be controlled at defined measurement points using advanced high accuracy instruments. The Model GPR-3500, packaged in a compact yet rugged enclosure, with stainless steel wetted parts, integrated flow meters and needle valves, offers purity measurement for inert gases, carbon-dioxide and oxygen. Customer who use the GPR-1200 compact portable oxygen analyzer value the 4-way valve that allows a gas sample to be trapped in the sensor for faster oxygen measurement times when moving from point to point. This feature also effectively helps to protect trace oxygen sensors from premature depletion due to exposure to ambient oxygen levels. Longer sensor life-time allow a very economical operation and low cost of ownership for this market leading portable oxygen analyzer range.

  • Measurement ranges from 0-10 ppm up to 0-100% O2
  • Accuracy of better than 2% of range
  • 24-32 months sensor life span (in normal use)
  • Up to 30 days battery life
  • Internal pump option
  • 0-1V output
  • XLT sensor options for CO2 backgrounds
  • Rugged industrial enclosures

GPR-1200 MS-2 GPR-1200 GPR-3500 MOVR
Measurement range 0-1, 0-10, 0-100, 0-1000 ppm 0-10, 0-100, 0-1000 ppm, 0-1%
0-25%
0-100%
Accuracy < 3% or 10 ppb (whichever is greater) at constant conditions < 2% or 0.2 ppm (whichever is greater) at constant conditions < 2% at constant conditions
Response time T90 <10 seconds T90 <13 seconds
Sensitivity (LDL) 5 ppb 0.05ppm 0.1%
Linearity < 1% of scale
Sensor model GPR-12-2000MS-2 GPR-12-333
XLT-12-333 for gas mixture with > 0.5% CO2
GPR-11-120-OP
Sensor life at 25ºC (77°F) and 1 atm 24 months in < 100 ppm O2 24 months in < 1000 ppm O2 24 months in 100% O2
Calibration interval 30 days
Inlet pressure 0.34 - 2 barg (5-30 psig) with atmospheric vent 248.2 barg (3600 psig)
Flow rate 0.5 - 1.0 l/m (1-2 SCFH)
Gas connections 1/8" compression tube fittings
1/4" compression tube fitting on outlet (GPR-3500-MOVR)
Wetted parts Stainless steel
Display Graphical LCD 7 x 3.5cm (2.75 x 1.375")
Resolution 0.001ppm 0.01ppm 0.1%
Enclosure Painted aluminum NEMA 4X, 21.8 x 22.9 x 7.6cm (8.6 x 9 x 3")
Weight 5.4kg (12lbs)
Compensation Barometric pressure and temperature
Signal output 0-1V
LED indicators LOW BATT (72 hr. warning);
CHARGE mode
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 Rechargeable battery (lead acid)
Battery life Up to 30 days on a single charge (40 hours with pump running, if fitted)
Area classification
General purpose (safe area)
UL: Class I, Division 1, Groups C, D
ATEX: II 2 G
Ex ib IIB T4 Gb
Tamb +5°C to +45°C
General purpose only


GPR-1200 & GPR-3500

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