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Calibration of Survey Meters and Measurements of …
Calibration of Survey Meters and1 Measurements of Contamination 1/18/2011 Types of Calibration2 Types of CalibrationA Calibration determines the relationship between the instrument response/reading and a quantity of Response Quantity of InterestThe three common types of Calibration :3yp Electronic Calibration Energy Calibration Radiological (Primary) Calibration - Exposure Rate Measurements - Counting Efficiency for Activity MeasurementsElectronic Calibration4 GeneralCount Rate Pulse Rate An electronic Calibration determines the relationship between the pulse rate and the count rate. If necessary, the instrument is adjusted so that the count rate exactly Electronic Calibration5jymatches the pulse rate. In general, electronic calibrations are only performed on instruments that read out in cpm (or cps). In the early days, it was common to set the instrument, usually a scaler, into the test mode whereby it would count the cycles in the AC line current.
Jan 18, 2011 · accurate as possible at the midpoint on each scale. Calibration source nuclide: Cs-137 Radiological Calibration – Exposure Rate 33 Specific gamma ray constant: 0.32 R m2 h-1 Ci-1 Decay corrected activity of calibration source 1: 25 Ci Decay corrected activity of calibration source 2: 100 Ci Attenuator factor: 8.56
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