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Dwyer No. 424 inclined-vertical manometer are 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. |
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FEATURES
OF THE MODEL 424 • 1 ¼" 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 ½" long x .375" diameter and provided with two red lines for easy visibility and alignment. • SELECTED GAGE OIL with high wetability characteristics forms a consistent, well shaped meniscus for perfect readability. • O-RING SEALED FLUID LEVEL PLUNGER ADJUSTMENT for easy zeroing. |
Fig. 8-1. No. 424-10 Inclined-Vertical
Manometer, 0-10" water range. The inset shows a segment of the
inclined scale in actual size. No. 424-5, 0-5" water range is
similar. |
