MIL-M-55023 Revision C, September 30, 1975
MANOMETER, U-TUBE AND CURVED TUBE
Includes all amendments and changes through Validation Notice 2, July 8, 2005
Additional Comments: RENUMBERED AS MIL-DTL-55023
This specification covers manometers for determining positive pressure, vacuum, and pressure differentials in linear inches.
Manometers shall be of the following types, sizes, and styles, as specified (see 6.2.1):
Type I - U-tube. Size 1 - Range 15-0-15 inches. Size 2 - Range 5-0-5 inches. Type II - Curved-tube. Style A - Smooth bend, with logarithmic graduated scale. Size 3 - Range 0-3 inches. Size 4 - Range 0-7 inches. Style B - Abrupt bend, with two straight portions, each having arithmetic graduated scale. Size 5 - Range as specified.