Series 1221/ 1222/ 1223 Flex-Tube® U-Tube Manometer Dwyer
Specification
Series 1221 Manometer, Our simplest, lowest cost basic U-gage. A dependable Utube
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 1221â 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 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 userâ s convenience.
Series 1223 Manometer, Our finest U-gage â 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 â aâ connections
include two rapid shut-off type molded nylon tubing connections, two 3-foot lengths of
flexible Tygon® plastic tubing, and two 1/ 8à pipe thread to tube adapters
