With its low current consumption of < 3 W, the FCX-MC oxygen sensor module is ideal for mobile applications.
The oxygen sensor module is a signal-conditioning unit that gives the user the option of selecting between various output modes. The key element of this sensor module is the oxygen sensor from Fujikura, an amperometric semiconductor sensor with high output accuracy; short response times to changes in gas concentration; and stability with respect to pressure fluctuations, moisture, and other gases.
The non-amplified signal of the oxygen sensor is non-linear and moves in the range of microamperes. The output modes include an analog, linearized current output (0 to 20 mA); an analog, linearized voltage output (0 to 10 V); and a digital output via the communication protocol RS485. The sensor is resistant to gas temperatures of up to 250 °C. The concentration of oxygen output is linear and the accuracy is greater than 1% FS, with a response time of less than 10 s for changes in gas concentration.
The oxygen sensor is available either in a flow configuration or in a diffusion configuration. In the flow configuration, the sensor encapsulation is an aluminum flow housing that uses small sample extracts to analyze the oxygen concentration. In either configuration, the sensor can be installed directly on the PCB for simple integration into transmitters or connected to the PCB with cables. The FCX-MC module is designed for cables of up to 10 m in length.
Pewatron, Zurich, Switzerland, phone +41 44 877 35 00
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