The FuelTech WB-O2 Nano is a compact, high-performance O2 sensor conditioner and display designed for precision tuning and expanded datalogging capabilities. Compatible with Bosch LSU 4.2 wideband sensors, it communicates via CAN bus with FuelTech’s PowerFT ECUs—eliminating the need to use analog inputs and freeing them up for other critical sensors.
With a reading scale down to 0.35 λ (*sensor-dependent), this unit is ideal for high-performance and individual-cylinder monitoring setups, including marine, off-road, and automotive applications. Its IP67 waterproof rating ensures reliability in harsh environments.
Key Features:
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Wide reading scale: down to 0.35 λ*
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CAN bus communication with PowerFT ECUs for clean data transfer
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Saves ECU analog inputs for other sensors
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Compatible with Bosch LSU 4.2 wideband O2 sensors
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IP67-rated for marine, off-road, and motorsport use
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Compact, lightweight design
Ideal For:
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High-performance and cylinder-specific O2 monitoring
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Harsh environments requiring waterproof components
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Integrating with FuelTech PowerFT ECU systems
*Actual minimum lambda reading may vary by sensor.
