Dwyer

  Flex Tube Manometer

 


-These inexpensive manometers measure positive,negative & differential pressures. -Dwyer Flex-Tube U-Tube Manometers combine the inherent accuracy of the simple   "U" Tube with the durability of tough, long-lasting plastic construction.
-Columns are of .375" O.D. flexible and shatter proof clear butyrate tubing.
-They are easily accessible for cleaning. Indicating tube is backed by 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 silk screen-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.

Minor Divisions of 1/10" water column (or 2mm water column on metric units) are silk screened in jet black on stark white scale for positive definition. Easy to read, even at a distance, they are acrylic coated for permanence. All models are furnished with one ?ounce bottle of fluorescien green color concentrate with special wetting agent for W/M models, or ?ounce bottle of red gage oil for "D" units.

Series 1221 Manometer, Out 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 oil. 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. Pair of carrying plugs and a pair of non-kink vinyl tube connectors 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 user's convenience.

Series
1223 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' lengths of flexible Tygon plastic tubing, and two 1/8" pipe thread to tube adapters.

 Over-Pressure Safety Traps are featured on Dwyer Series 1223 U-tube manometers. The actions is simple but positive. Over-pressures, whether gradual or a sudden surge, simply raise the cork and seal the fluid in the gage. When pressure drops, trap opens and gage resumes operation.

Standard Accessories
(For Series 1221-8-W/M)

Two plastic carrying plugs; Two flexible plastic tubing connectors for attachment of 3/16" rubber or plastic tubing without looking.  ounce bottle .826 sp. gr. red gage oil furnished for "D" style manometers. Fluoroscein green dye concentrate furnished with "W/M" style manometers. Mercury is available at extra cost.

Standard Accessories
(For Series 1222-8-W/M)

Two magnetic mounting clips; tube clamp; Two plastic carrying plugs and Two flexible plastic tubing connectors for attachment of 3/16" rubber or plastic tubing without kinking. ounce bottle .826 sp. gr. red gage oil furnished for "D" style manometers. Fluorescein green dye concentrate furnished with "W/M" style manometers. Mercury is available at extra cost.

Standard Accessories
(For Series 1223-8-W/M)

Magnetic mounting clips; tube clamp and Type "a" connections consisting of two rapid shut off molded nylon tubing connectors; two 1/8" pipe thread to tube adapters; two 3' lengths of Tygon plastic tubing. (See Page 23P (A-315) for alternate connections) ounce bottle .826 sp. gr. red gage oil furnished for "D" style manometers. Fluorescein green dye concentrate furnished with "W/M" style manometers. Mercury is available at extra cost.


How To Order:   
1. Indicate series such as 1222.
2. Indicate range desired such as : 8, 12 or M200.
3. -Specify "W/M" with model number for inches* of water , using water or inches* of mercury,       using mercury.
    -Specify "D" with model number for inches* of water using .826 sp. gr. red gage oil.
    -Red gage oil is often preferred for readings in inches of water because of the longer scale       and slower evaporation rate.
    -This lessens the need for frequent re-zeroing and refilling.
      (If not otherwise indicate, "W/M"  style manometers will be shipped.)
4. For Series 1223 only, state the connection option desired if other than standard type "a".
    For example, 1223-12-D-"b" manometer is a Series 1223, range 12" w.c. (scale 6-0-6), using     red gage oil with type "b" connections.

*metric units are in millimeters.




         

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