| FAQ on "Handy Aspirator"
(WP15)
|
 |
The condition is described as "-300mmHg". Please tell us what we should do. |
 |
The gauge is marked "0" (zero) on right side. The dial is marked in "cmHg" at outer, "MPa" inside. If adjusting the dial to 30cmHg with outside mark, it can satisfy the requirements. |
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