Wilson Instruments Superficial Scale Tester 425S: Model 425S Serial Number 2339T Digital Hardness Tester. The 420S series is a spring based Rockwell tester with a digital readout for quick and easy testing of material specimens.
In the model 425 instrument, the top of the frame which carries the digital electronics and the testing column, is fixed, You adjust the height of the specimen in relation to the testing column using a handwheel to move an elevating screw in the base to raise or lower the specimen.
Preload: 3 Kgf
Major Loads: 15, 30, 45 Kgf
Test Scales: Superficial Rockwell HRN & HRT
Accuracy: 0.1 HR
Test Specification: Complies with ASTM E18 and ISO 716
Height Capacity: 13 inches
Depth of Throat: 7.9 inches
Net Weight: 199 lbs.
This unit was purchased along with several others from Wilson Wolpert. All these units were either new, used or factory reconditioned.
(Inv.7922)
Questions: Please call us at 860 342 1699