Dwyer Series 1221/1222/1223 U-Tube Manometer

Dwyer Series 1221/1222/1223 U-Tube Manometer

The Series 1221/1222/1223 Flex-Tube® U-Tube Manometers combine the inherent accuracy of the “U” Tube with the durability of tough, long-lasting plastic construction.
The columns are made of 0.375˝ O.D. flexible and shatterproof clear butyrate tubing and are backed by a white scale channel to provide maximum color contrast. These manometers are ideal wherever a portable, direct reading manometer is needed.

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Series 1221 Flex-Tube® U-Tube Manometer
Our 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.

Series 1222 Flex-Tube® U-Tube Manometer
All the features of the 1221 plus magnetic clips for mounting to any vertical steel surface, and clamp bar to insure against U-tube slipping. (Especially recommended for manometers used with mercury.) Both magnets are easily removed and replaced
at the user’s convenience.

Series 1223 Flex-Tube® U-Tube Manometer
Our finest U-gage — for either portable or stationary use. Safety traps prevent loss of indicating fluid in case of accidental over-pressure. Tubing is permanently bonded to a molded, high impact acrylic plastic top that contains safety traps. Large magnetic clips and clamp bar are provided. Standard type “a” connections include two rapid shut-off type molded nylon tubing connections, two 3-foot lengths of flexible Tygon® plastic tubing, and two 1/8˝ pipe thread to tube adaptors.

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