Micromeritics GEMINI VII KEYPAD Operator's Manual page 25

Vacuum System
An external vacuum source achieving 20 × 10
based or oil-free pumps.
For oil-based pumps, an anti-suckback valve is required to prevent oil from being admitted into
the analyzer should there be a power failure. A device to reduce oil vapor backstreaming is also
recommended.
Due to continuous improvements, specifications are subject to change without notice.
Gemini VII Keypad Operator Manual
239-42801-01 (Rev E) — July 2021
Specifications for the Gemini VII
-3
mmHg (or better) at the instrument inlet for oil-
1 - 11