23 suppliers

Vacuum Gauges

A vacuum gauge is a gauge designed to measure the degree of vacuum in an evacuated vessel. A simple U-tube containing mercury is adequate for low vacua, but for high vacua other methods must be employed.

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Fil-Tech Inc. - Boston, MA

Fil-Tech supplies electron beam gun and ion source replacement parts, sensor heads and feedthroughs, INFICON rate monitors and controllers and Quality Crystals in Gold and Stress Relieving Alloy for the thin-film industry. We stock FT704, hydrocarbon oils and Krytox oils and greases, and ionization, thermocouple, INFICON and InstruTech vacuum gauges.

Stock Manufacturer

10 products

A-Vac Industries - Anaheim, CA

Absolute Process Instruments Inc. - Libertyville, IL

Agilent Technologies Inc., Vacuum Products Div. - Lexington, MA

ANCORP - Williston, FL

BRANDTECH Scientific Inc. - Essex, CT

Duniway Stockroom Corp. - Fremont, CA

Dwyer Instruments LLC - Michigan City, IN

Edwards Vacuum - Burgess Hill, United Kingdom

Heimann Sensor GmbH - Dresden, Germany

Hiden Analytical Ltd. - Warrington, United Kingdom

INFICON - East Syracuse, NY

InstruTech - Longmont, CO

Key High Vacuum Products Inc. - Nesconset, NY

Kurt J. Lesker Co. - Jefferson Hills, PA

MKS Instruments Inc. - Andover, MA

Dr. Juergen Christian Mueller - Frankfurt am Main, Germany

Pfeiffer Vacuum Inc. - Nashua, NH

SAES Getters USA Inc. - Colorado Springs, CO

Scientific Coating Labs LLC - Santa Clara, CA

Teledyne Hastings Instruments - Hampton, VA

Thermionics Laboratory Inc. - Port Townsend, WA

Vacuum Research Corp. - Pittsburgh, PA

Glossary

vacuum gauge A gauge designed to measure the degree of vacuum in an evacuated vessel. A simple U-tube containing mercury is adequate for low vacua, but for high vacua other methods must be employed. See McLeod gauge; Pirani gauge.
Pirani gauge A vacuum gauge designed to measure very high degrees of vacuum by thermal conduction.
McLeod gauge A gauge designed to measure high degrees of vacuum. It consists of a glass bulb attached to the vacuum vessel, the measurement being made by filling the bulb with mercury and observing the volume of the remaining gas in a capillary tube.
vacuum In optics, the term vacuum typically refers to a space devoid of matter, including air and other gases. However, in practical terms, achieving a perfect vacuum, where there is absolutely no matter present, is extremely difficult and often not...

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