Dwyer 8/0/8 Slack Tube Manometer

The Series 1211 Slack Tube® Manometer is as accurate as the finest laboratory “U” gages, but is designed to roll up compactly for easy carrying. These manometers cover a wide range of pressure readings from 4-0-4 inches up to 60-0-60 inches. Features: Manometer, range 8-0-8, 9 oz water or mercury required. Rolls up for easy storage and transport Over pressure safety traps to prevent loss of fluid due to over range pressures or surges in pressure