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The Oxymac 50, Elecdit and DE800 sensor interface boards are control devices for the Standard and Custom ranges of SST highly accurate oxygen sensors. The ability of the sensors to operate without any reference gas makes them ideal for many applications including combustion, medical and environmental control. The oxygen sensors use zirconia sensing elements that require connection to an electronic measuring circuit to control sensor operation and signal processing. A heating element on the sensor produces the 700 °C required for the ZrO2 to achieve its operational temperature. These interface boards supply the sensor with the necessary circuits to provide this control and processing, while also providing sensor calibration. The DE800 interface also includes the heater supply, Oxymac50 and Elecdit require an external heater power supply. Oxymac50 is a recently upgraded interface that offers similar performance to the Elecdit board but operates from a 24 Vdc power supply. The DE800 interface offers the features of the Oxymac50 but also contains the heating element power source. The Elecdit interface was developed for Industrial applications and offers a level of noise protection. It operates from a ±15 V supply. Oxymac50 and DE800 are the recommended interfaces for new applications. The interfaces are supplied ready for mounting into customers’ enclosures. Oxymac50 a 15-pin D type connector, DE800 has screw connector block and Elecdit has 2,5 mm x 2,5 mm (0.1 in x 0.1 in) pin connector. Refer to the datasheet for further details.
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