Diados Diagnostic Detector

Model/Serial: 60004-2225 (purchased: 2004)

Description: X-ray-semiconductor (40 - 150 kV) for use with Diados.

Detector 2225 + Diados 1362

PTW Calibration: 19-May-2004

Seibersdorf Diagnostic Quality Filter Range Na ± U [Gy ± Gy]
20.02.2007 RQA5 (DN70) 23.5 mm Al DL Low 1.002 ± 0.016
DL Medium 1.000 ± 0.016
DL High 1.001 ± 0.016
DL Auto 1.002 ± 0.016
Dosis Auto 1.001 ± 0.016
RQR5 (DV70) 2.5 mm Al Dosis Auto 1.005 ± 0.016
09.09.2010 RQR5 (DV70) 2.5 mm Al DL Low 0.995 ± 0.018
DL Medium 0.993 ± 0.018
DL High 0.993 ± 0.018
DL Auto 0.990 ± 0.018
Dosis Auto 0.993 ± 0.018
RQA5 (DN70) 23.5 mm Al Dosis Auto 1.000 ± 0.018

Note: U = k uc is the expanded uncertainty with the coverage factor k = 2.

PTW Calibration: 04-Sep-2015

Seibersdorf Diagnostic Quality Filter Range Na ± U [Gy ± Gy]
26.04.2016 RQR5 (DN70) 2.5 mm Al DL Low 1.056 ± 0.018
DL Medium 1.033 ± 0.018
DL High 1.036 ± 0.018
DL Auto 1.034 ± 0.018
Dosis Auto 1.042 ± 0.018
RQA5 (DV70) 23.5 mm Al Dosis Auto 1.020 ± 0.018

Note: U = k uc is the expanded uncertainty with the coverage factor k = 2.

Logbook

Date Event
19.05.2004 PTW calibration (20,66 kGy/C @ 2.5 mm Al and 19.67 kGy/C @ 23.5 mm Al)
24.05.2004 Delivery of detector
09.03.2007 Seibersdorf calibration (Na ~ 1.000)
09.09.2010 Seibersdorf calibration (Na ~ 0.995)
02.07.2015 Rejected by Seibersdorf (out of tolerance)
29.07.2015 PTW: Comparison between old and actual calibration: 5-10% relative change
04.09.2015 PTW calibration (21.64 kGy/C @ RQR5 and 21.65 kGy/C @ RQA5).
26.04.2016 Seibersdorf calibration (Na ~ 1.040)

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