ALL-TEST Pro

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ALL-TEST Pro

Advanced predictive maintenance tools for accurate motor diagnostics.

For nearly four decades, ALL-TEST Pro has been at the forefront of predictive maintenance (PdM) technology, delivering cutting-edge testing and troubleshooting solutions for electric motors.

Established in 1985, the company has pioneered advancements in motor diagnostics, earning recognition for its patented innovations and award-winning products.

As a leading U.S.-based manufacturer, ALL-TEST Pro is best known for its patented Motor Circuit Analysis (MCA) technology, a fast and non-destructive method for evaluating motor health. This proprietary system provides a comprehensive assessment of key motor components, including the stator, windings, rotor, and cabling, in just three minutes. ATP also offers Electrical Signature Analysis (ESA) instruments, enabling maintenance teams to detect power issues and monitor overall system performance in real time. With handheld, portable testing devices designed for field use, ALL-TEST Pro remains the only company in the world capable of detecting early motor faults with unmatched accuracy, helping businesses across industries maintain efficiency and reliability.

Featured Brand Products

ALL-TEST Pro

MD III™

ALL-TEST PRO MD III™ offers complete testing for any motor type.

Electric Motor Testing

ALL-TEST Pro

ATPOL III™

ATPOL III™ delivers top-tier power and signature analysis for motors.

Electric Motor Testing

ALL-TEST Pro

AT7™ PRO

ALL-TEST PRO 7™ tests motors fast—resistance, rotor, stator & more.

Electric Motor Testing

ALL-TEST Pro

AT34™

AT34 helps technicians assess AC induction motors for abnormalities.

Electric Motor Testing

ALL-TEST Pro

AT34 EV™

AT34 EV™ detects issues in hybrid and electric car motors early.

Electric Motor Testing

ALL-TEST Pro

MOTOR GENIE MCA™

MOTOR GENIE® MCA: Handheld tool for low-voltage motor diagnostics.

Electric Motor Testing

Featured Brand Training

Electric Motor Testing

Electrical Motor Diagnostic Level 1 Training Course

Enhance your maintenance and reliability skills.

Featured Brand Articles

Case Studies

Electrical Signature Analysis for Pump Performance

Electrical Signature Analysis (ESA) revealed hidden flow turbulence in a power plant pump system, proving its value in diagnosing root causes and enhancing predictive maintenance.

How 3 Minutes Can Prevent Motor Failure

An All-Test Pro Original Case Study on how advanced motor testing can pinpoint the real problem and prevent costly misdiagnosis in critical equipment.

Case Studies

Connect with Yellotec’s Reliability Expert Team at MTE 2026

Yellotec will be exhibiting at MTE events throughout the year. Visit our stand for live demos and expert insights into Reliability and Online Condition Monitoring.

Articles