Instrument That Measures Gas Pressure
This page is the CodyCross answer for the clue below from The 90s, Group 1123, Puzzle 4 (The Olsen Twins).
Question is: Instrument That Measures Gas Pressure
and the answer is: MANOMETER
Word Meaning:
MANOMETER — An instrument to measure pressure in a fluid, especially a double-legged liquid column gauge used to measure the difference in the pressures of two fluids.
Definitions from Wiktionary.