BUILD-UP CAPS FOR ‘IN AIR’ MEASUREMENTS

Custom Caps Available

The following build-up caps fit over the 0.3 cm3 semiflex chamber with an acrylic wall thickness of  0.75 mm.
Caps fit on the following chambers:  PTW 23332 / 233641 / 31003 / 31013
Nuclear Associates 30-316 and 30-317

D-Max
In Water

Nominal
Energy

5.0 mm

1.25MV
60Co

11 mm

4MV

15 mm

6MV

20 mm

8MV

24 mm

10MV

27 mm

15MV

30 mm

18MV

35 mm

20MV

40 mm

24MV

Acrylic
Density 1.185 g/cm3

Item #

Wall
T in mm

662-001


3.5

662-004

8.8

662-006

11.9

662-008

16.1

662-010

19.5

662-015

22.0

662-018

24.6

662-020

28.8

662-024

33.0

Aluminum
Density 2.718 g/cm3

Item #

Wall
T in mm

 


-

662-104

3.7

662-106

5.2

662-108

-

662-110

8.5

662-115

-

662-118

10.7

662-120

12.5

662-124

14.4

Brass
Density 8.515 g/cm3

Item #

Wall
T in mm

 


-

662-204

-

662-206

1.7

662-208

2.2

662-210

2.7

662-215

3.1

662-218

3.4

662-220

4.0

662-224

-

Lead
Density 11.35 g/cm3

Item #

Wall
T in mm

 


-

662-304

-

662-306

1.2

662-308

-

662-310

-

662-315

-

662-318

2.6

662-320

3.0

662-324

-

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