Winn-Marion Companies

Not your AVERAGE Representative Firm

Automation Service

Automation Service

  • Turnkey Automation
  • Network Design
  • Solar Packages
  • Calibrations
  • Pressure Control
  • Learn more about Automation Services at Winn-Marion

Controls Integration

Controls Integration

  • Emissions Monitoring
  • Analyzers
  • Speed & Load Control
  • Engine Control
  • Governor Upgrades
  • Learn More About Controls Integration Services at Winn-Marion

Sales, Assembly & Repair

Controls Integration

  • Heat Tracing
  • ESD Valves
  • Valve Assembly
  • Flow Meters
  • Recorders
  • Learn More About Products, Assembly, Repair at Winn-Marion

Advanced Instruments, Inc. (AII) Products

Portable Analyzer


AII Portable Analyzer

Advanced Instruments' (AII) Portable Trace Oxygen Analyzer (GPR-1100) features certification to ATEX Directive 94/9/EC, and is applicable for general purpose service. It features an advanced galvanic trace PPM oxygen sensor proven to reliably analyze oxygen concentrations ranging from 200PPB to 1% over a 24-month operating life, user friendly digital electronics, stainless steel wetted parts, quick disconnect fittings, and a compact robust enclosure selected for the demands of industrial field use.


  • Accuracy: less than 2% of FS range under constant conditions
  • Meets the recognized intrinsic safety standards for use in Class 1, Division 1, Group C hazardous areas
  • Field programmable alarm time delays; alarm bypass for calibration and system fail alarm
  • Calibration: three month interval using certified span gas or air with Oxygen value approximating 80% of full scale range balance N2
  • Controls: Water resistant keyboard; menu driven range selection, calibration and system functions
  • Enclosure: Painted aluminum NEMA 4x, 4x9x3", 8 lbs.
  • Pressure: Inlet - regulate to 5-30 psig to deliver 1-2 SCFH flow; vent - atmospheric
  • Power: Rechargeable battery, 60 day cycle

Winn-Marion Locations

Contact Us at any of the Winn-Marion Locations:
Denver, CO - 303.778.6767
Salt Lake City, UT - 801.676.0155 | Phoenix, AZ - 480.968.9344 | Billings, MT - 406.259.9234 | Pittsburgh, PA - 412.319.7392
Roosevelt, UT - 435.725.0082 | Farmington, NM - 505.326.4069 | Evans, CO - 970.339.9211 | Gillette, WY - 307.686.9196 | Arnegard, ND - 701.586.3184