The Power Probe The Maestro Automotive Circuit Tester is a professional-grade automotive diagnostic circuit tester designed for technicians, electricians, and advanced DIY users who require precise and efficient vehicle electrical troubleshooting. Built for 12–24V systems, this advanced tool combines the functionality of a digital multimeter, circuit tester, and power/ground activator into one compact, workshop-ready device.
Engineered for modern diagnostics, The Maestro delivers real-time electrical measurement accuracy, including DC/AC TRMS readings, resistance testing, frequency, duty cycle, and peak-to-peak analysis. Its advanced Trace Mode with scope-like visualisation allows users to identify intermittent electrical faults with precision, while optional app integration enables trace recording, screenshots, and data logging via the Power Probe TEK Pro Series App.
Designed for professional environments, it features a bright colour LCD screen, dual LED work lights, flip-screen display, and intuitive controls for seamless operation in low-light workshop conditions. A built-in 8 Amp self-resetting thermal breaker ensures safe power delivery during testing, protecting both the tool and vehicle systems.
With power and ground activation directly at the probe tip, users can instantly energise components for rapid fault diagnosis—making this tool essential for modern automotive electrical systems. Whether used in garages, service centres, or mobile diagnostics, The Maestro delivers reliability, speed, and accuracy in every test.
| Brand | Power Probe |
| Product Name | The Maestro Automotive Circuit Tester |
| Power Supply | Corded Electric |
| Operating Voltage | 12–24V (Min 6V DC support) |
| Measurement Type | Multimeter / Circuit Tester |
| Display | Colour LCD Screen |
| Trace Mode | Scope-Like Waveform Display |
| Connectivity | App Pairing (iOS & Android) |
| Data Logging | Supported via App |
| Cable Length | 23 ft Heavy-Duty Cable |
| Protection System | 8 Amp Self-Resetting Thermal Circuit Breaker |
| Material | Industrial Grade Electronic Components |
| Item Weight | 0.91 kg |
| Dimensions | 27.9 x 20.3 x 5.1 cm |
| Colour | Black, Red |
We currently do not offer shipping outside of the United Kingdom.
All our lighting products come with a 1-month money-back guarantee and a 2-year replacement warranty for your peace of mind.
We provide a range of delivery options, including next-day delivery and standard economy shipping, to suit your needs.
Yes, the majority of our products use LED technology, which consumes less energy and has a longer lifespan compared to traditional lighting options. This helps save on energy bills while being environmentally friendly.
Yes, you can return the order back if you are not satisfied with the product, or if there is any fault, we will proceed with a replacement or a refund as per your satisfaction.
You can reach our customer service team via email, live chat, or by phone. Our support hours are Monday to Friday, 9:00 AM to 5:00 PM.
