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Torque & Force Repair and Calibration Specialists

Metrology Concepts, Inc., dba Tri-State Calibration & Repair Co. was founded in 1987 in order to bring torque and force measurement services to industries located in the Chicago area. Since 1987 we have expanded are sales and service area to include all of the United States as well as Mexico, Canada, Japan and China. Tri-State Calibration's customer base includes businesses from Corporate and Commuter Aviation, Medical, Nuclear, Automotive & Aviation Manufacturers, Tool Dealers, Industrial Equipment Suppliers, Calibration Labs and The Department Of Energy.

We are proud of the fact that many of our customers bypass our competitors and continue to choose us. Many customers have asked us to expand into other areas of Metrology. However, when this company was founded we chose to remain in the areas of torque and force instrument repair and calibration. This was done in order to provide our customers with a highly knowledgeable source for all of their torque and force requirements.

JLW Metrology Concepts Calibration repairs, calibrates and certifies mechanical, hydraulic, pneumatic and electronic, FM and infrared output torque watches, screwdrivers, wrenches, multipliers, transducers, standards, cap tester, scales, force gauges, cable tensionmeters, dynamometers and strain gage repair up to 200,00 lbf. manufactured by: Apco, Snap-On, Proto, Armstrong, Utica, Uryu, Sears, Ametek, Kelstrom, Blackhawk, GSE, Shimpo, TorqueLeader, CDI, Pacific Scientific, Tohnichi, Waters, A.K.O., Sweeney, Mac Tools, Norbar, Chatillon, Sturtevant, KD Tools, Imada, Mountz, X-4, Dillon, Borroughs, Mitutoyo, Wagner, Williams, Aimco, Seekonk, Kanon, Skidmore, Power Dyne as well as many others. If its torque or force we can do it!

We hope you find our home page informative and helpful when choosing your torque and force instruments. If you want to see some of the products we offer, continue to our online torque catalog.

For information on our products and services, please e-mail torque@jlwinstruments.com, phone us at: 312-666-0595 or FAX your request to: 312-733-0009.

This page, and all contents, are Copyright ©2001 by JLW Instruments Metrology Concepts, Inc., Chicago, Illinois, USA.