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What is the correct calibration technique for the Model 935 MCA in Manual Mode?

April 26, 2017calibration manual MCA mode model technique

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What is the correct calibration technique for the Model 935 MCA in Manual Mode?

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The correct procedure to calibrate the SAM is to let the auto calibrate feature raise the voltage until the PMT gain is in the linear region with proper course/fine gain to perform the required response with Cs137. According to the detector manufacturer‘s recommendation this should be between 600 – 900 volts (including the 4x4x16 inch Sodium Iodide detector). The SAM will automatically do this – manual adjustments are unnecessary.