BUILD-UP CAPS FOR ‘IN AIR’ MEASUREMENTS

Custom Caps Available

The following build-up caps fit on the Exradin Model A2 0.5cm3 Spokas Thimble Chamber with a wall thickness of 1.0 mm.   Material:  Shonka air equivalent plastic C552  Density:  1.76 g/cm3

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 1.185 g/cm3

Item #

Wall
T in mm

659-2-04-1

7.80

659-2-06-1

11.17

659-2-08-1

15.39

659-2-10-1

18.77

659-2-15-1

21.30

659-2-18-1

23.83

659-2-20-1

28.05

659-2-24-1

32.27

659-2-26-1

40.71

Polystyrene
Density  1.05 g/cm3

Item #

Wall
T in mm

659-2-04-6

8.80

659-2-06-6

12.61

659-2-08-6

17.37

659-2-10-6

21.18

659-2-15-6

24.04

659-2-18-6

26.90

659-2-20-6

31.66

659-2-24-6

36.42

659-2-26-6

45.94

Aluminum
Density 2.718 g/cm3

Item #

Wall
T in mm

659-2-04-2

3.40

659-2-06-2

4.87

659-2-08-2

6.71

659-2-10-2

8.18

659-2-15-2

9.29

659-2-18-2

10.39

659-2-20-2

12.23

659-2-24-2

14.07

659-2-26-2

17.75

Brass
Density 8.515 g/cm3

Item #

Wall
T in mm

659-2-04-3

1.09

659-2-06-3

1.55

659-2-08-3

2.14

659-2-10-3

2.61

659-2-15-3

2.96

659-2-18-3

3.32

659-2-20-3

3.90

659-2-24-3

4.49

659-2-26-3

5.67

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