The TDF Series 600 Reaction Torque Sensors allow easy monitoring and calibration of mechanical torque wrenches and other torque-sensitive devices used in production and automated assembly applications. Made in the USA of 17-4 stainless steel with an aluminum cover, this sturdy device can be mounted anywhere by means of its flange, and coupled to any square-drive instrument for accurate torque measurement. Its versatile housing design allows it to be customized to any test situation, and its use of metal foil strain gauge technology assures accurate measurements. Different torque range capacities are available, as are different sized square drives and flange configurations. Output is by means of a Bendix six-pin PTO6E-10-6P plug. Optional mating receptacle available.