Dwyer Mark II MM-80 Inclined/Vertical Manometer (0-80mm w.c.) using Red Gauge Oil
Construction - Mark II Manometers are economically priced, compact and available in both stationary and portable configurations. Construction is simple with virtually indestructible molded white styrene-acrylonitrile housing, indicating tube and fluid wells, molded ABS knobs and zero adjust plunger, shock mounted glass level vial and leak proof "O" ring seals.
Dwyer Mark II series molded manometers are of the inclined and inclined-vertical types. The curved inclined-vertical tube of the Mark II manometers can be mounted on any vertical surface with the two mounting screws provided.
Ref; d301