Fluke 90100 manual Nominal Number of build-up Solid Water

Model 90100

Operators Manual

Recommended build-up for photons is given in Table A-1; recommended build-up for electrons is given in Table A-2. Table A-2 takes into account the 0.56 cm water-equivalent inherent in the 35300A Detector. Cobalt-60 radiation does not require any added build-up.

Table A-1. Recommended Amount of Build-up to Use With the Model 35300A Detector to Attain Photons dmax for Linear Accelerators

Nominal	Number of build-up	"Solid Water"
Accelerator Potential,	plates
		thickness (cm)
MeV	(37051C-1)
2	0	0
3	1	0.5
4	2	0.5
5	2	1.0
6	3	1.0
7	3	1.5
8	3	1.5
9	4	1.5
10	4	2.0
11	4	2.0
12	4	2.0
13	5	2.0
14	5	2.5
15	5	2.5
16	6	2.5
17	6	3.0
18	6	3.0
19	6	3.0
20	7	3.0
21	7	3.5
22	7	3.5
23	7	3.5
24	8	4.0
25	8	4.0

A-2