Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Count rate and exposure rate measured by the SRP-68-01 device for 22Na radiation source and the corresponding values of the scale coefficient.
| Parameter | Background | Result of measurement for 22Na | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Count rate (counts s−1) | 43 | 78 | 82 | 210 | 275 | 800 | 810 | 1950 | 2000 | 2050 |
| Exposure rate (μR h−1) | 11.5 | 21 | 22.5 | 58 | 75 | 215 | 220 | 530 | 550 | 550 |
| Scale coefficient, k (counts s−1 μR−1 h) | 3.74 | 3.71 | 3.64 | 3.62 | 3.67 | 3.72 | 3.68 | 3.68 | 3.64 | 3.73 |
