RTI Piranha - Meter Settings and Applications

2. Description of the Piranha
Hardware and Specifications
2014-06/5.5C
23
Piranha & QABrowser Reference Manual
Mammography, Rh / 25 µm Rh (measured using RTI RQ Code M4)
Radiation quality
Mean energy
air kerma (keV)
Air kerma measurement
PTB
ISO 4037
IEC 61267
HVL (mm Al)
Factor kQ
(Rel. RRV28)
RRV25
-
15,57
0,32
1,0018
RRV28
-
16,34
0,37
1
RRV30
-
16,73
0,39
1,0036
RRV35
-
17,57
0,45
1,0089
RRV40
-
18,18
0,49
1,0081
Note: These values are typical values measured at PTB in Germany in 2009.
Mammography, W / 0.5 mm Al (measured using RTI RQ Code M7)
Radiation quality
Mean energy
air kerma (keV)
Air kerma measurement
PTB
ISO 4037
IEC 61267
HVL (mm Al)
Factor kQ
(Rel. WAV28)
WAV25
-
16,08
0,35
0,9924
WAV28
-
16,97
0,40
1
WAV30
-
17,49
0,43
0,9974
WAV35
-
18,73
0,51
0,9928
WAV40
-
19,79
0,58
1,0028
Note: These values are typical values measured at PTB in Germany in 2009.
Mammography, W / 50 µm Rh (measured using RTI RQ Code M6)
Radiation quality
Mean energy
air kerma (keV)
Air kerma measurement
PTB
ISO 4037
IEC 61267
HVL (mm Al)
Factor kQ
(Rel. WRV28)
WRV25
-
17,6
0,48
0,9978
WRV28
-
17,99
0,51
1
WRV30
-
18,19
0,52
1,0009
WRV35
-
18,78
0,56
0,9969
WRV40
-
19,54
0,61
0,9959
Note: These values are typical values measured at PTB in Germany in 2009.
Mammography, W / 50 µm Ag (measured using RTI RQ Code M10)
Radiation quality
Mean energy
air kerma (keV)
Air kerma measurement
PTB
ISO 4037
IEC 61267
HVL (mm Al)
Factor kQ
(Rel. WSV28)
WSV25
-
17,87
0,50
1,0108
WSV28
-
18,66
0,56
1
WSV30
-
18,92
0,58
0,9983
WSV35
-
19,57
0,63
0,9963
WSV40
-
20,22
0,68
0,9969
Note: These values are typical values measured at PTB in Germany in 2009.