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Data for Bell-jar performance evaluation report

<p>During the SI-Hg performance evaluation of elemental mercury gas generators on the market three generators were tested, e.g., PSA 10.536 elemental Hg generator, bell-jar and Tekran Model 3425. Key characteristics were determined e.g.; the stabilisation period, short-term drift, precision, i.e., reproducibility and repeatability of the concentration generated, linearity, bias, sensitivity to sample gas pressure, sensitivity to surrounding temperature and sensitivity to electrical voltage. All three generators could be tested according to the calibration protocol developed within the project. The results obtained with the different gas generator clearly shows the importance of a metrological calibration. All three candidate generators show a different bias for the setpoint compared to the calibrated output.&nbsp;</p><p>The data obtained during the performance evaluation of the bell-jar is published in this repository. The files of the following experiments can be found here:</p><ul><li>m1<ul><li>Measurement data online mercury analyser comparison VSL and bell-jar 2023-02-20</li><li>Bell_jar_calibration_m1</li></ul></li><li>m2<ul><li>Measurement data online mercury analyser comparison VSL and bell-jar 2023-02-28</li><li>Bell_jar_calibration_m2</li></ul></li><li>m3<ul><li>Measurement data online mercury analyser comparison VSL and bell-jar 2023-03-09</li><li>Bell_jar_calibration_m3</li></ul></li><li>short-term drift<ul><li>m1<ul><li>Calibration bell-jar short term drif_m1</li><li>Bell_jar_drift_m1</li></ul></li><li>m2<ul><li>Calibration bell-jar short term drif_m2</li><li>Bell_jar_drift_m2</li></ul></li><li>m3<ul><li>Calibration bell-jar short term drif_m3</li><li>Bell_jar_drift_m3</li></ul></li><li>m4<ul><li>Calibration bell-jar short term drif_m4</li><li>Bell_jar_drift_m4</li></ul></li></ul></li><li>stability<ul><li>Measurement data online mercury analyser comparison VSL and bell-jar stability</li></ul></li></ul>