Dwyer 421-10

Inclined/vertical manometer, inclined range: 0-1.0" w.c., .01 min. div., 6-1/2" scale; vertical range 1.1-10" w.c., min. div. .10, 10-1/8" scale.
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.