Description
Product Introduction
The GE OXY.IQ-2-3-1-1-0 is a paramagnetic oxygen sensor module designed for industrial gas analysis systems. It provides precise oxygen concentration measurement in process applications where reliability is critical. Honestly, paramagnetic sensors are the gold standard for O2 measurement because they don’t consume the sensor—they just measure the gas’s magnetic properties.This module is built for stability in continuous operation. It’s commonly found in air separation, chemical processing, and combustion control. We’ve seen these deployed in plants where even a small drift in oxygen reading can affect product quality. It’s a solid choice if you need to maintain tight control over your process gas composition.
Key Technical Specifications
- Model Number: OXY.IQ-2-3-1-1-0
- Manufacturer: GE
- Technology: Paramagnetic
- Power Supply: 24 VDC
- Application: Process gas analysis, industrial oxygen monitoring
- Environment: Industrial temperature and humidity range
- Interface: Electrical connector (specific pinout per OEM doc)
- Condition: New Surplus
Application Scenarios & Pain Points
When oxygen levels go out of spec in a chemical reactor, it can mean scrapped batches or safety risks. The OXY.IQ-2-3-1-1-0 helps avoid that by providing a stable, long-term measurement. It’s not a “set it and forget it” part, but when maintained properly, it lasts for years.
- Air Separation: You’re producing nitrogen or oxygen and need to verify purity. This sensor gives you the feedback to adjust your distillation columns.
- Combustion Efficiency: In a boiler or furnace, too much oxygen wastes fuel; too little creates CO. This module helps tune the air-fuel ratio.
- Inerting Systems: When you’re blanketing a tank with nitrogen, you need to know the oxygen level is below the explosive limit. This sensor confirms the environment is safe.
Case Study:
A pharmaceutical plant in Asia was having issues with oxygen ingress in their lyophilization (freeze-drying) process. Their old sensors were drifting, causing false alarms and halting production. By replacing them with calibrated GE OXY.IQ modules, they stabilized the chamber atmosphere. The result? A 15% reduction in batch rework and zero safety incidents over the next year.
Installation Pitfalls Guide
Phase 1: Preparation (15 mins)
- Verify the system is depressurized and isolated.
- Gather tools: wrench, multimeter, clean dry instrument air (for purge if applicable).
- Check the old module’s calibration date and settings if available.
Phase 2: Removal (20 mins)
- Document: Take a photo of the wiring and pipe connections.
- Disconnect the electrical cable and any sample/purge gas lines.
- Remove the mounting bolts. If the module is stuck due to heat cycling, gently wiggle it free—don’t pry.
Phase 3: Installation (20 mins)
- Inspect the gasket or O-ring on the process connection. Replace if damaged.
- Install the new OXY.IQ-2-3-1-1-0 module into the housing.
- Reconnect the electrical cable and gas lines. Torque fittings to OEM spec (don’t over-tighten).
- Ensure the purge air (if used) is clean and dry to prevent internal contamination.
Phase 4: Testing (30 mins)
- Power up the analyzer.
- Check for error codes on the display.
- Perform a zero calibration using dry nitrogen or certified zero gas.
- Expose the sensor to a known span gas (e.g., 20.9% O2 in air) and verify the reading.




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