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Dwyer instruments hook gage, model 1425-12, never used


Dwyer Instruments hook gage for measuring precise pressure and for calibrating pressure instruments.
Dwyer Instruments Model No. 1425-12.
I bought this instrument somewhere around 1990, assembled it, but never used it. It has only collected dust and is in perfect operating condition. New this instrument lists for $3,635 direct from Dwyer Instruments (see link: http:// /Products/Product.cfm?Group_ID=10023&Product_ID=1652&sPageName=Ordering ). This is a heavy instrument, weighing about 50 pounds.
Model 1425 Hook Gage with 0-12" Full Scale Range
Model 1425 Hook Gage provides a reliable and extremely accurate standard against which other instruments can be checked or calibrated. Its range and accuracy also make it a valuable laboratory instrument for maximum precision industrial test work. The model 1425-12 has a full scale range of 0-12" water with .001" divisions. Model 1425-12 has permanent .001" accuracy. Accuracy is assured because there are no hidden tubes to trap air bubbles, no long lead screws with the possibility of cumulative errors. The depth micrometer and end measuring rods comply with Federal specifications GGG-C-105A and are traceable to a master at the NIST. Furnished with 3/4" oz. bottle fluorescein green color concentrate, 2 level vials, dust cover, full set of 2" interval end measuring rods with protective case. Road ends are spherical to eliminate misalignment errors. Also included is one pair of type "A" connectors.



Dwyer instruments hook gage, model 1425-12, never used Dwyer instruments hook gage, model 1425-12, never used Dwyer instruments hook gage, model 1425-12, never used Dwyer instruments hook gage, model 1425-12, never used