Analytical Industries Inc., doing business in the industrial marketplace under the trade name Advanced Instruments Inc., have earned a reputation around the world for innovative solutions to gas analysis that encompasses the design and manufacture of advanced oxygen sensors and analyzer platforms, a passion for reliable quality and superior customer support. As a result, Analytical Industries Inc. has become a leading worldwide supplier of oxygen sensors (view all sensors) and oxygen analyzers to the industrial process control, natural gas, medical and diving industries.
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Low cost ownership
Ease of operation
Minimal maintenance required

ppm.Accuracy: < 1% of FS range under constant conditions
Analysis: 0-10 ppm, 0-100, 0-1000, 0-1%, 0-25% FS ranges; 
auto-ranging or manually lock on single range
Application: Oxygen analysis from 100 ppb to 1% in inert, helium,
hydrogen, mixed and acid (CO2) gas streams
Approvals: CE
Area Classification: General purpose
Alarms: 2 adjustable form C relay contacts non-latching; “weak
sensor” indicator; power failure; system failure
Calibration: Certified gas of O2 balance N2 approximating 80% of range
above analysis range recommended for optimum results
Compensation: Barometric pressure and temperature; optional heated
sample system and sensor housing
Connections: 1/4" compression tube fittings
Controls: Water resistant keypad; menu driven range selection,
calibration, alarm and system functions
Data Acquisition:
Selectable data point intervals
Display:
Graphical LCD 5 x 2.75; resolution .001 ppm; displays real
time ambient temperature and pressure
Enclosure: Painted aluminum 7.5” x 10.8” x 12.25” panel mount
Flow Sensitivity: None between 1-3 SCFH, 2 SCFH recommended
Linearity: > .995 over all ranges
Pressure:  Inlet - regulate to 5-30 psig, max 100 psig; 
vent - atmospheric
Power: Universal; specify 100/120 or 220/240 VAC with heater
Recovery Time: 60 seconds in air to < 10 ppm in < 1 hr on N2 purge
Response Time: 90% of final FS reading < 10 seconds
Sample System: Flow control and sample/bypass valves; flow indicator
Sensitivity: < 0.5% of FS range
Sensor Model: GPR-12-333 - requires no maintenance
Sensor Life: 24 months at 25ºC and 1 atm; average O2 < 1000 ppm
Signal Output: 4-20mA isolated and 0-1V
Temp. Range: 5º to 45ºC
Warranty: 12 months analyzer; 12 months sensor
Wetted Parts: Stainless steel