BUILD-UP CAPS FOR ‘IN AIR’ MEASUREMENTS

Custom Caps Available


	Build-up caps for the following 0.6 cm³ Farmer Style Chambers: PTW 23333/233633, PTW 30001/30010, PTW 30002/30011, PTW 30004/30012, PTW 30006/30013, NEL 2505/3 (A or B), Victoreen 580-006 or Victoreen 0.6 cm³ Farmer Style Chamber With 0.5 mm Acrylic Wall These build-up caps fit over the Cobalt 60 acrylic build-up cap with a 16.4 mm outside diameter

D-Max In Water	Nominal Energy
11 mm	4MV
15 mm	6MV
20 mm	8MV
24 mm	10MV
27 mm	15MV
30 mm	18MV
35 mm	20MV
40 mm	24MV
50 mm	26MV

Acrylic Density 1.85 g/cm³
Item #	Wall T in mm
660-004	4.2
660-006	7.6
660-008	11.8
660-010	15.2
660-015	17.7
660-018	20.3
660-020	24.5
660-024	28.7
660-026	37.1

Aluminum Density 2.718 g/cm³
Item #	Wall T in mm
660-304	1.8
660-306	3.3
660-308	5.2
660-310	6.6
660-315	7.7
660-318	8.8
660-320	10.7
660-324	12.5
660-326	16.2

Brass Density 8.515 g/cm³
Item #	Wall T in mm
660-804	.6
660-806	1.1
660-808	1.7
660-810	2.1
660-815	2.5
660-818	2.8
660-820	3.4
660-824	4.0
660-826	5.2

Polystyrene Density 1.05 g/cm³
Item #	Wall T in mm
660-904	4.8
660-906	8.6
660-908	13.4
660-910	17.2
660-915	20.0
660-918	22.9
660-920	27.6
660-924	32.4
660-926	41.9

These Build-Up Caps fit over a 0.6 cm³ Farmer Style Chamber
PTW 23333 / 233633 / 30001 / 30010, PTW 30002 / 30011, PTW 30004 /30012, PTW 30006 / 30013,
NEL 2505/3 (A or B), Victoreen 580-006 or Victoreen 0.6 cm³
Farmer Style Chamber Without Build-up Cap

There is no compensation for chamber wall thickness.

D-Max In Water	Nominal Energy
11 mm	4MV
15 mm	6MV
20 mm	8MV
24 mm	10MV
27 mm	15MV
30 mm	18MV
35 mm	20MV
40 mm	24MV
50 mm	26MV

D-Max In Water	Nominal Energy
11 mm	4MV
15 mm	6MV
20 mm	8MV
24 mm	10MV
27 mm	15MV
30 mm	18MV
35 mm	20MV
40 mm	24MV
50 mm	26MV

Copper Density 8.9 g/cm³
Item #	Wall T in mm
661-004	1.2
661-006	1.7
661-008	2.3
661-010	2.7
661-015	3.0
661-018	3.4
661-020	3.9
661-024	4.5
661-026	5.6

Aluminum Density 2.718 g/cm³
Item #	Wall T in mm
661-104	4.0
661-106	5.5
661-108	7.4
661-110	8.8
661-115	9.9
661-118	11.0
661-120	12.9
661-124	14.7
661-126	18.4

Brass Density 8.515 g/cm³
Item #	Wall T in mm
661-204	1.3
661-206	1.8
661-208	2.3
661.210	2.8
661.215	3.2
661-218	3.5
661-220	4.1
661-224	4.7
661-226	5.9

Lead Density 11.35 g/cm³
Item #	Wall T in mm
661-304	1.0
661-306	1.3
661-308	1.8
661-310	2.1
661-.15	2.4
661-318	2.6
661-320	3.1
661-324	3.5
661-326	4.4

Acrylic Density 1.185 g/cm³
Item #	Wall T in mm
661-404	9.3
661-406	12.7
661-408	16.9
661-410	20.3
661-415	22.8
661-418	25.3
661-420	29.5
661-424	33.8
661-426	42.2

Polystyrene Density 1.05 g/cm³
Item #	Wall T in mm
661-504	10.78
661-506	14.71
661-508	19.61
661-510	23.53
661-515	26.47
661-518	29.41
661-520	34.31
661-524	29.22
661-526	49.02

Solid Water Density 1.03 g/cm³
Item #	Wall T in mm
661-604	10.84
661-606	14.78
661-608	19.7
661-610	23.65
661-615	26.60
661-618	29.56
661-620	34.48
661-624	39.41
661-626	49.26

Plastic Water Density 1.02 g/cm³
Item #	Wall T in mm
661-704	10.8
661-706	14.7
661-708	19.6
6610-710	23.5
661-715	26.5
661-718	29.4
661-720	34.3
661-724	39.2
661-726	49.0


	Note: At energies above 10 MV metal Build-Up Caps may become slightly activated, please check and take appropriate precautions.

Radiation Products Design, Inc www.rpdinc.com sales@rpdinc.com
763-497-2071 Fax 763-497-2295 5218 Barthel Industrial Drive Albertville, MN 55301