Table 1.

Ion chambers and diodes used in the commissioning

Ion Chamber	Active Volume (${\text{cm}}^3$)	Radius (mm)	Length (mm)	Central Electrode	Sensitivity (nC/Gy)	Tasks
Scanditronix CC04	0.04	2.0	3.6 mm	C552	1.1	PDD, Profiles, OF $\ge 2\times 2 {\text{cm}}^2$
Scanditronix CC01	0.01	1.0	3.6 mm	Steel	0.3	OF – Conical Cones
PTW PinPoint (31014)	0.015	1.0	5.0 mm	Aluminum	0.4	OF – Conical Cones
Diode	Thickness of Active Volume (mm)	Diameter	Geometry – Active Area	Misc.	Sensitivity (nC/Gy)	Tasks
Scanditronix SFD	0.06	0.6 mm	Circle	p‐type Unshielded	5.9	PDD, Profiles, OF $\le 3\times 3 {\text{cm}}^2$ and Conical Cones
Scanditronix PFD	0.06	2.0 mm	Circle	p‐type Shielded	33.3	OF – Conical Cones
Sun Nuclear EDGE	0.0025	$0.8\times 0.8 {\text{mm}}^2$	Square	n‐type Unshielded	32.0	OF – Conical Cones