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Sealed housing options added to solid state oxygen sensors

SST Sensing has introduced two new housings for the LuminOx range of sensors in in order to address ambient and flow-through applications.

Developed and manufactured by SST, the LuminOx family are factory-calibrated oxygen sensors that measure oxygen levels using the principle of luminescence quenching.



This non-depleting technology with in-built pressure and temperature compensation means that LuminOx devices have longer lifetimes than conventional oxygen sensors, as well as higher accuracy and virtually no cross sensitivity to other gases.

The new LuminOx sealed optical oxygen sensor (LOX-02-S) is an extension to the standard LuminOx sensors.

It is a similar diffusion type sensor to the original LOX-02 sensor, however it has a sealed base that is gas-tight, meaning only the face of the sensor with the protective membrane needs to be in the sample gas environment, externally leaving easy access to the pins of the sensor.

The LuminOx flow-through optical oxygen sensor (LOX-02-F) has a flow-through type housing with 4.5mm outside diameter push-fit tubing interconnections – allowing a clean gas sample stream to be drawn into the sensor. This provides a faster response and the option to remove the sensor completely from the process environment if required.

These sensors communicate directly to the customer’s microcontroller via serial UART, outputting ppO2, %O2, pressure, temperature readings plus sensor status without any further signal conditioning.

Sensor calibration is held internally in the sensor and allows for calibration to be performed in the customer’s application environment and specific gas mixes. LuminOx is a completely solid-state sensor and contains no lead or liquid electrolytes. It is therefore 100% RoHS compliant.

SST’s LuminOx devices provide a cost-effective, low power method for determining oxygen levels across a wide range of operating conditions, over a long operational life (over 5 years) and are more ecologically friendly than electrochemically based alternatives.

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