Dwyer 1212 Slack Tube Manometer Kit with U Gauge measures vacuum pressure, differential pressure, and static pressure.

Dwyer 1213-7 Gas Pressure Manometer 0 to 7 inches of WC measures compatible gases up to 7 inches in w.c.

Dwyer 490A-5 Wet-Wet Digital Manometer 0 to 500 PSI Pressure measures positive and differential pressure from 0 to 500 PSI while being able to tolerate most liquid media compatible with 316LSS. The Dwyer 490A-5 has field adjustable dampening, allowing the user to choose the level of display averaging rate corresponding to the fluctuation level.

Dwyer 490A-3-3V Wet-Wet Digital Manometer 0 to 50 PSI Pressure measures positive and differential pressure from 0 to 50 PSI while being able to tolerate most liquid media compatible with 316LSS. The Dwyer 490A-3-3V has field adjustable dampening, allowing the user to choose the level of display averaging rate corresponding to the fluctuation level. Additionally, the Dwyer 490A-3-3V features a backlit display for dimly lit areas, the ability to store up to 40 readings, and up to 7 different units of measure.

Dwyer 490A-4-3V Wet-Wet Digital Manometer 0 to 100 PSI Pressure measures positive and differential pressure from 0 to 100 PSI while being able to tolerate most liquid media compatible with 316LSS. The Dwyer 490A-4-3V has field adjustable dampening, allowing the user to choose the level of display averaging rate corresponding to the fluctuation level. Additionally, the Dwyer 490A-4-3V features a backlit display for dimly lit areas, the ability to store up to 40 readings, and up to 7 different units of measure. *This model is equipped with a 3-way vent valve with bleed screw rated up to 100 psi

Dwyer 475-2-FM Manometer 40-inch WC Intrinsically Safe FM Approved measures negative, positive, and differential pressures of natural gases and air from 0 to 40.000 in w.c. The Dwyer 475-2-FM also measures air velocity when used with a pitot tube.

Dwyer 475-1-FM Manometer 20-inch WC Intrinsically Safe FM Approved measures negative, positive, and differential pressures of natural gases and air from 0 to 20.000 in w.c. The Dwyer 475-1-FM also measures air velocity when used with a pitot tube.

Dwyer 475-0-FM Manometer 10-inch WC Intrinsically Safe FM Approved measures negative, positive, and differential pressures of natural gases and air from 0 to 10.000 in w.c. The Dwyer 475-0-FM also measures air velocity when used with a pitot tube.

Dwyer 475-00-FM Manometer 4-inch WC Intrinsically Safe FM Approved measures negative, positive, and differential pressures of natural gases and air from 0 to 4.000 in w.c. The Dwyer 475-00-FM also measures air velocity when used with a pitot tube.