SGM7
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ZIROX Oxygen Measuring Device SGM7 Properties The compact oxygen measuring device SGM7 is based on the approved drift-, calibration- and maintenance-free ZIROX zirconia technique. It contains the measuring cell as well the electronics for cell heater control, flow monitoring, integrated pump and signal processing. Via microprocessor the measuring cell signal is processed according to the NERNST equation. The requested value is displayed and generated as an analog current signal. (option: digital interface RS232 with software). Applications In various technological processes under protective or inert gases oxygen traces are detrimental for the product quality. Precondition for detection and prevention of problems is the fast and precise measurement of oxygen or the determination of the reducing force of inert gases. With the increasing introduction of quality assurance systems, e.g. ISO 9000, a constant monitoring and documentation of quality parameters becomes more important. With the SGM7 the user gets several possibilities for that. The SGM7 serves the continuous measurements of free oxygen in industry and laboratory gases, for the monitoring of protective gases and for the determination of bound oxygen in gas mixtures. The main applications of the SGM7 are monitoring functions in the soldering and welding technology (e.g. reflow soldering under protective gas).