GPR-1600 PPM O2 analyzer 0-10 PPM low range, 0.05 PPM sensitivity, general purpose on-line analyzer that  measures oxygen concentrations from low PPM to 1%.


  • an advanced galvanic oxygen sensor
  • over 24 month operating life with no periodic maintenance
  • menu driven controls
  • integral 4-way Sample/Bypass valve, flow control/meter
  • ambient temperature compensation
  • two user field selectable oxygen alarms
  • USB or RS232 data communication
  • integral data logger

utilizing our advanced electrochemical oxygen sensor over a 24 month operating sensor life with no maintenance required, menu driven controls, and a stainless steel integral sample system with a 4-way Sample/Bypass valve that enables isolation of the sensor; a feature that brings the analyzer online and to a low PPM levels in minutes. 

Accuracy: +/-2% of FS range under constant conditions Analysis Ranges: 0-10 PPM, 0-100 PPM, 0-1000 PPM, 0-1%, 0-25% FS
Applications: Oxygen analysis in inert, hydrogen, mixed and CO2 gas streams Approvals: CE
Area Classification: General purpose Alarms: 2 adjustable relay contacts non-latching; “weak sensor” indicator; power fail; system fail
Calibration: Certified gas of O2 balance N2 Compensation: Barometric pressure and temperature
Connections: 1/4″ compression tube fittings Controls: Menu driven range selection, calibration, alarm and system functions
Data Acquisition: Selectable data point intervals Display: Graphical LCD 5 x 2.75; resolution .01 PPM
Enclosure: Painted aluminum 7.5” x 10.8” x 12.25” panel mount Flow Sensitivity: None between 1-5 SCFH, 2 SCFH recommended
Linearity: > .995 over all ranges Pressure: Inlet – regulate to 5-30 psig, max 150 psig; vent – atmosphere
Power: 110 or 220 VAC, specify with optional heater Range ID: 1-5V output
Recovery Time: 60 seconds in air to < 10 ppm in < 1 hr on N2purge Response Time: 90% of final FS reading < 10 seconds
Sample System: Wetted parts: 316 SS,  flow control, 4-way sample/bypass valves and flow indicator Sensitivity: < 0.05PPM
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 0-1VDC Temp. Range: -10ºC to 45ºC
Warranty: 12 months analyzer; 12 months sensor    

  *At constant temperature and pressure


Optional Equipment
XLT-12-333 Sensor for gas streams containing CO2 >0.5%
Heater System PID Temperature Controlled Heating System for applications with varying ambient temperature conditions
Sample System Coalescing filter, pressure regulator, sample pump