The SERIES 7000 Spirahelic ® Pressure Gages employ a unique triple helix Bourdon tube for precision measurement of compatible gases and liquids. The direct drive design reduces friction and mass, ....

These inexpensive manometers measure positive, negative and differential pressures. Dwyer ® Flex-Tube ® U-Tube Manometers combine the inherent accuracy of the simple " U" Tube with the durability of....

Dwyer ® solid plastic portable manometers are precision instruments in inclined and vertical ( well-type) styles for the measurement of static pressure, vacuum or differential pressure. To assure the....

SERIES Mark II Molded Manometers are of the inclined and inclined-vertical types. The curved inclined-vertical tube of the Model 25 gage provides higher ranges with more easily read increments at low....

1211 Handy Roll-Up Manometer with Laboratory Accuracy Dwyer ® Slack Tube ® Manometers are as accurate as the finest laboratory " U" gages - yet they are made to roll up compactly for easy carrying....

Dwyer ® SERIES 1230 & 1235 Flex-Tube ® Well Type Manometers are designed to meet the need for a direct reading single column instrument providing highly accurate pressure readings; positive, negative....

Dwyer ® SERIES 424 inclined-vertical manometer are extremely accurate instruments designed and made especially for precision measurement of low differential pressures in laboratory and test....

Provide visual indication of pressure with the Series 1213 Gas Pressure Manometer. Designed for use with natural gas, the manometer can also be used to monitor any compatible gases up to 15 inches of....

Dwyer ® Durablock ® SERIES 250-AF Gages are precision machined 1" thick solid acrylic plastic, virtually unbreakable and free of distortion. The fluid bore is precision drilled to  ± .0002" to assure....

Use Series 1227 as a regular U-tube manometer to read high-range pressure on the right leg, or as an inclined manometer to read low-range pressure on the bottom leg. Simply incline manometer until....

Dwyer ® SERIES 200 & 300 solid plastic stationary gages, or draft gages, are offered in inclined and vertical ( well-type) styles for highly accurate laboratory or general industrial service, for....

The SERIES 490A Digital Manometers are versatile, hand-held, battery operated manometers available in several basic ranges for positive or positive differential pressure measurement and can tolerate....

THE SERIES WDPM WIRELESS DIFFERENTIAL PRESSURE MODULE transmits measurements to the Model UHH handheld to view pressure drop across filters, static pressure in ducts, and velocity pressures from....

The SERIES 476A Single Pressure Digital Manometer can be used to measure low pressures from -20 to 20 in w.c. with  ± 1.5% FS accuracy. The SERIES 478A Differential Pressure Digital Manometer can be....

SERIES 490 DIGITAL MANOMETERS are versatile, hand-held, battery operated manometers available in several basic ranges for positive or positive differential pressure measurement and can tolerate most....