Liquid column manometer
Durablock®, Flex-Tube®, Microtector®, Slack Tube® DWYER

Series Mark II Molded Plastic Manometer -- 3% Accuracy for Stationary and Portable Applications at Minimum Cost

Series 100 Durablock® Solid Plastic Portable Gage -- Suitable for Total Pressures Up to 100 psig, Temperatures Up to 150°F, Accuracy ±2% of Full Scale (1% on Model 115 Only)

Series 200 & 300 Durablock® Solid Plastic Stationary Gage -- Suitable for Total Pressures Up to 100 psig, Temperatures Up to 150°F. Accuracy ±2% of Full Scale (1% on Models 215, 244, 246 Only)

Series 250-AF Inclined Manometer Air Filter Gage -- Precision Machined, Solid Acrylic Plastic Gages, Accurate To ±1% Of Full Scale

Series 424 Durablock® Inclined-Vertical Manometer -- Accuracy to ±1/4 of 1%

Series 1211/1212 Slack Tube® Manometer/Gas Pressure Kit

Series 1221/1222/1223 Flex-Tube® U-Tube Manometer

Series 1227 Dual Range Flex-Tube® U-Inclined Manometer

Series 1230/1235 Flex-Tube® Well-Type Manometer

Model 1430 Microtector® Portable Electronic Point Gage -- Accurate to ±.00025" w.c., Battery Operated, Self-Contained