Since 1985, ALL-TEST Pro, LLC has provided industry with the most advanced predictive maintenance testing and troubleshooting tools for AC and DC motors, coils, windings, transformers, generators and more to a wide range of industries worldwide. With a full line of testing instruments, software, accessories and training programs, ALL-TEST Pro has the tools you need to perform advanced non-destructive motor testing and analysis for both de-energized motor circuit analysis and energized electrical signature and power analysis.

The extensive capabilities of the instruments, coupled with dependable post-sale training and technical support, ensure improved productivity, reduced downtime and a rapid return on investment.


Several of our easy-to-use models include intuitive integrated software, enabling users to perform testing and report on equipment trending and analysis with a single hand-held instrument. Models for de-energized motors provide early detection of internal winding faults for predictive maintenance, quality control and troubleshooting. Energized motor testing models provide immediate information about incoming power and mechanical and electrical health, as well as analysis of the driven load. Built-in memory allows for storage of test data for reference.

Product Support Available.


ALL-TEST Pro equipment is presently used in commercial, government and military institutions worldwide.  Applications include AC/DC electric motors; transmission and distribution transformers; machine tool motors and servo motors; AC/DC traction motors; and more.

Short Form

Contact Us

By checking this box you are opting into online communications from ALL-TEST Pro, including exciting events, educational case studies, and relevant industry news. Click here to read our Privacy Policy.




Approved Provider of SMRP             Accredited Provider of IACET


ALL-TEST Pro also takes an active role in electric motor system energy and reliability research. Key projects have included the first ever US Department of Energy Best Practices technology transfer project, including the coordination and co-funding of a reliability upgrade to the latest version of the US DOE’s MotorMaster Plus software (Dreisilker Electric Motors and Pruftechnic were co-partners) and designing the Electric Motor Performance Analysis Tool for Pacific Gas and Electric (PG&E). ALL-TEST also contributes and consults to EPRI, US DOE, university, utility and related electric motor energy and condition research projects as well as scheduled motor management and MotorMaster Plus training.


To complement our line of motor testing instruments, ALL-TEST Pro offers Motor Diagnostics Training Seminars where participants can learn to diagnose ALL electric motor systems and establish a predictive maintenance program. MCA seminars will teach you how to easily troubleshoot and carry out predictive maintenance analysis. ESA seminars will prepare you to evaluate many types of electric motor systems to improve the reliability and uptime of your plant. These seminars will improve your plant’s operation, reduce downtime, minimize failures and increase profits – all while earning valuable CEUs! ALL-TEST Pro, LLC is an Accredited Provider by the International Association for Continuing Education and Training (IACET).

ATP Testers are the most advanced electric motor instruments on the market today.