Question

At 75°F and 1 atmosphere, what factor should you use to temperature correct the reading of a vented ionization chamber calibrated by an AAPM-accredited U.S. calibration laboratory?

a) 1.000
b) 1.010
c) 1.015
d) 1.020

Answer 1

To temperature correct the reading of a vented ionization chamber at 75°F and 1 atmosphere, use a factor of 1.020.

Step-by-step explanation:

To temperature correct the reading of a vented ionization chamber calibrated by an AAPM-accredited U.S. calibration laboratory at 75°F and 1 atmosphere, you should use a factor of 1.020. This factor is used to account for the changes in temperature and pressure that can affect the accuracy of the measurement. By multiplying the reading by this factor, you can correct for the conditions and obtain a more accurate result.