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DMA4500 automatic density meter operation guide
Turn on the power of the main unit. The instrument will start a self-test and begin the cleaning process, which may take a few minutes. Once completed, the main menu interface will appear, and the current measured air density will be displayed. Normally, the air density should be around 0.0012 ± 0.00005 g/cm³.
Next, prepare the sample by placing it into the sample cup up to about two-thirds full. Then, position the sample in the autosampler tray and record the sample name along with its corresponding position number on the autosampler. After that, press the Start button located on the side of the autosampler. The instrument will then automatically initiate the analysis process. Make sure all samples are properly labeled and placed in the correct positions to avoid any errors during the automated run. It's also recommended to check the system status and calibration before starting the analysis for accurate results.