Greisinger GMH 3161-13 Digital Fine Manometer Including Sensor

Battery - A device used for the storage of electricity

Digital - A system that uses only 0s and 1s to transmit data

Instrument - A wide range of meanings from musical instrument to a measuring instrument

Manual - A book of instructions to build or operate items, also a form of labour which your hands are used.

Sturdy - something hat is very stable and is solidly built.

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