Dwyer 421-250MM Series 424 Durablock Inclined-Vertical Manometer

Series 424 Durablock® Inclined-Vertical Manometer, Type - Single Column, 6-1/2" Inclined Scale, Range 0-25 mm w.c. Inclined & 30-250 mm w.c. Vertical

Dwyer® No. 424 inclined-vertical manometer is extremely accurate instruments designed and made especially for precision measurement of low differential pressures in laboratory and test applications. The inclined range bore has a length of 20" to provide ample multiplication of indicating fluid movement in this critical lower part of the range.

Features

• 1-1/4" Thick Acrylic Plastic Body is a solid block, virtually unbreakable, stable and absolutely free of the danger of distortion.
• 3/16" Bores, Accurate To ± .0002" are permanently free of bends or crooks, will not require recalibration because of distortion.
• Ground Glass Bubble Level sensitive to 115-125 sec./2 mm. is 1-1/2" long x .375" diameter and provided with two red lines for easy visibility and alignment.
• Parallax-Free Reading for maximum accuracy and consistency is achieved by simply aligning the meniscus with its image reflected in the polished aluminum scale.
• Selected Gage Fluid with high wetability characteristics forms a consistent, well shaped meniscus for perfect readability.
• O-Ring Sealed Fluid Level Plunger Adjustment for easy zeroing.