5.2. Determine the waist part size
5.2.1. Waist part size
The device width can be adjusted within a range of about 2 inches (50 mm) by adjustment of the waist part.
Hip width
Waist depth
Waist circumference
SAIT‐IFU‐GEMS‐H Rev.1.1 (2019‐11)
Small [inches (mm)]
12.4 ~ 14.4 (315 ~ 365)
5.7 ~ 6.7 (145 ~ 170)
30.7 ~ 34.3 (780 ~ 870)
Medium [inches (mm)]
14.0 ~ 15.9 (355 ~ 405)
7.9 ~ 9.8 (200 ~ 250)
32.3 ~ 36.2 (820 ~ 920)
Large [inches (mm)]
15.9 ~ 17.9 (405 ~ 455)
9.4 ~ 12.2 (240 ~ 310)
36.2 ~ 43.3 (920 ~ 1100)
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