TABLE III.
LEHR | LEAP | ||
---|---|---|---|
Native resolution (mm) at 10 cm | 7.5 (7.4) | 9.3 (10.6) | |
Sensitivity (cps/MBq) | 63.1 (59.7) | 112.6 (113.8) | |
(cpm/μCi) | 140.1 (132.5) | 249.9 (252.6) | |
Pixel size (mm2) | 3.28 × 3.18 (3.31 × 3.24) | ||
Uniformity | <5% IU, <3% DU | ||
Count rate | verified to be linear up to 5 Mcps | ||
Energy linearity | linear in the range of 50–350 keV |
Note: LEHR = low energy high resolution; LEAP = low energy all purpose; IU = integral uniformity, DU = differential uniformity. The numbers in parentheses are the manufacturer specifications.