• Flex-Tube U-Tube Manometer, Range 150-0-150 mm w.c.
• Simplest, lowest cost basic U-gage.
• A dependable U-tube manometer that withstands hard use and provides accurate, high visibility readings
• For use with water, mercury or red gage fluid
• For mercury filled manometers, a scale clamp bar, Dwyer® Part No. A-363 (available as an extra for Series 1221 - and standard on Series 1222) is recommended.
• One pair of carrying plugs and a pair of non-kink vinyl tube connectors are included with each manometer.

Flex-Tube U-Tube Manometer, Range 150-0-150 mm w.c.

Dwyer® Flex-Tube® U-Tube Manometers combine the inherent accuracy of the simple "U" Tube with the durability of tough, long-lasting plastic construction. These inexpensive manometers measure positive, negative and differential pressures. Columns are of .375" O.D. flexible and shatter-proof clear butyrate tubing. They are easily accessible for cleaning. The indicating tube is backed by a white scale channel to provide maximum color contrast. Scales are extruded high-impact polystyrene plastic formed to hold columns in perfect alignment. Stark white scales have graduations and numbers silkscreen-printed in black for maximum legibility.

You can choose from numerous models and features, including over-pressure safety traps, in full scale ranges from 8" to 36" of water or mercury. All are suitable for total pressures to 100 psi - for determining velocity and static pressures, leakage, fan and blower efficiency, filter resistance, and gas pressures. Ideal wherever a portable, direct reading manometer is needed. Standard ranges and markings as shown or special ranges, colors, logos and brand names for OEM quantity orders are available.