Honeywell Analytics E3O2 Sensor Cartridge

Maintaining atmospheric integrity in critical environments requires the precision of the Honeywell Analytics E3O2 Sensor Cartridge. Designed as a direct swap-out for the E3Point gas detection platform, this electrochemical Oxygen (O2) replacement sensor is engineered for high-accuracy monitoring within a 0–25% volume range. Field technicians rely on the E3O2 for its plug-and-play sensor architecture, which allows for rapid hot-swapping without lengthy system downtime. Each cartridge comes factory-calibrated to ensure immediate 4-20 mA loop signal transmission upon installation into the E3Point standalone or network-enabled base units.

The E3O2 (also identified as the Honeywell 1309A0036) features a robust, impact-resistant housing built to withstand the rigors of industrial mechanical rooms, laboratories, and confined spaces. Utilizing advanced Reflex technology, the sensor continuously performs internal diagnostics to verify cell condition, providing an essential layer of reliability for oxygen deficiency or enrichment applications. When integrating with BACnet MS/TP or Modbus protocols, the E3O2 provides seamless data points for building automation systems, ensuring that ventilation controls respond dynamically to real-time O2 levels.

Key Benefits for HVACR Contractors:

• Universal E3Point Compatibility: Fits both E3SA standalone and E3SM network monitors, streamlining your truck stock.
• Extended Temperature Performance: Operates reliably from -40°C to 50°C, making it suitable for both cold storage and high-heat industrial zones.
• Reduced Maintenance Overhead: Pre-calibrated smart sensor cartridges eliminate the need for complex field calibration during initial setup.
• High-Resolution Monitoring: Delivers 0.1% vol resolution, providing the granular data necessary for OSHA compliance and safety protocols.

Common Questions Regarding the E3O2:

Is the E3O2 the same as the E302?
Yes, the E3O2 and E302 are identical part numbers (1309A0036) for the E3Point Oxygen sensor cartridge. The "O" refers to Oxygen.

Can I replace this sensor while the E3Point is powered?
Technicians must always disconnect or remove power from the E3Point base unit before removing the old cartridge and seating the new E3O2 sensor to prevent board damage.

Does the E3O2 detect Carbon Dioxide (CO2)?
No, this specific cartridge is strictly an electrochemical sensor for Oxygen (O2). For CO2 monitoring, a separate infrared sensor cartridge is required.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.