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Wilson 4OUS-341


The Wilson OUS series first started production in the mid 1950's. The overall design and internal pieces have remain almost unchanged over the years. When used properly, this tester can provide years of reliable, repeatable results. In fact, many testers from this era are still in use today, a testament to their durability. The OUS series is available in vertical capacities of 8 inches (3OUS), 12 inches (4OUS) or 16 inches (5OUS).

Special Features:
Reliability - The OUS series has proven it self with over 60 years of use
Good Value - Starting around $3,500, the JS will easily pay for it self over the years
Easy Operation - Very little training is required to get good test results.
Superficial Scales - The OUS applies loads of 15Kgf, 30Kgf and 45Kgf, typical scales include 15N, 15Tw. Capable of testing all superficial scales.
Durability - From commercial heat treats to smaller job shops, the JS has proven to be extremely reliable in long term use.
One Year Warranty - A refurbished OUS tester purchased from United Service Company Inc comes with a one year warranty, giving you piece of mind for your investment.

Tester comes with the following:

  • 2 1/2" flat anvil

  • Spot anvil

  • V shaped anivl

  • New N scale diamond

  • New 1/16" Tungsten carbide ball indenter

  • 1 HR15N test block

  • 1 HR15Tw test block

  • Conversion chart

If this tester is purchased within the New England area, United Service Company Inc can provide delivery, set-up and training in the tester, for an additional cost.  If you have any questions please give us a call.

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