# Configuration générale

All our hydraulic torque wrenches are supplied completely assembled, ready for use. An Atlas Copco hydraulic power pack, for use with your Atlas Copco hydraulic torque wrench, is recommended to provide the speed, pressure and portability that make your Atlas Copco System efficient and accurate.

The accuracy of your Atlas Copco hydraulic torque wrench is +/-3% based upon our manufacturer's specifications. This accuracy is certified through calibration tests conducted by Atlas Copco or any other qualified calibration facility whose program is traceable to the National Institute of Standards and Technology (N.I.S.T). We strongly suggest using Atlas Copco certified gauges (with a class 1 accuracy) to enhance the accuracy your torquing system.