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My previous email had a typo…It is in fact the RaySafe X2, not Xi, that we had calibrated. RM From: Milman, Rebecca Sent: Monday, 10 August 2026 13: 03: 22 To: DxMedPhys List <intl_dxmedphys_wd_osu_list@ lists. osu. edu> <intl_dxmedphys_wd_osu_list@ lists. osu. edu></div>
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My previous email had a typo…It is in fact the RaySafe X2, not Xi, that we had calibrated. </div>
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RM</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Milman, Rebecca<br>
<b>Sent:</b> Monday, 10 August 2026 13:03:22<br>
<b>To:</b> DxMedPhys List <intl_dxmedphys_wd_osu_list@lists.osu.edu> <intl_dxmedphys_wd_osu_list@lists.osu.edu><br>
<b>Subject:</b> Dosimeter calibrations - question/PSA</font>
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<img src="cid:F64330D7-5415-437D-AB6E-D99B87B0872E" id="x_img-94a5844c-8c01-413b-bdb7-cfffe18f89b8" width="328" height="185" style="width:328.888889px; height:185px; max-width:100%"></div>
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Hi, colleagues,</div>
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I have a combined question/PSA about RaySafe measurement devices. We recently received an Xi back from calibration, and the luminance meter was calibrated incorrectly (by a factor of 10). </div>
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Is anyone else having issues with this? Also (the PSA part!) our calibration report indicated everything had passed. The calibration report said it was tested (and measured) post-calibration at 50 cd/m^2 and passed (despite it typically being calibrated at
500 cd/m^2). Something in the calibration report is incorrect, which is especially concerning. (FWIW, we contacted RaySafe about this a week ago but still have not heard anything other than that the case is being directed to their service department.)</div>
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Thanks,</div>
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Rebecca.</div>
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<b>Rebecca Milman, Ph.D., DABR</b></div>
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Division Chief, Radiological Sciences | Associate Professor</div>
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Department of Radiology</div>
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University of Colorado Anschutz</div>
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720.848.6625</div>
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