







⚡ Diagnose like a pro, document like a boss!
The Power Probe PPTM01AS The Maestro is a professional-grade automotive circuit tester featuring a vibrant color LCD and advanced Trace Mode for scope-like diagnostics. It uniquely combines multimeter functions with power/ground activation to test components under real conditions. Designed for 12–24V systems, it offers comprehensive electrical measurements, durable workshop-ready features, and app pairing for live data logging and fault documentation—making it an indispensable tool for automotive technicians seeking precision and efficiency.









| ASIN | B07QYWKVMF |
| Best Sellers Rank | 567,679 in DIY & Tools ( See Top 100 in DIY & Tools ) 591 in Circuit Testers |
| Brand | Powerprobe |
| Colour | Black, Red |
| Country Of Origin | USA |
| Customer Reviews | 4.1 4.1 out of 5 stars (203) |
| Included Components | 4" Tip. Battery clips. Auxiliary ground lead. Alligator clip. Power lead. |
| Item Dimensions | 27.9 x 20.3 x 5.1 centimetres |
| Item Weight | 0.91 Kilograms |
| Manufacturer | POWER PROBE |
| Measurement Type | Multimeter |
| Minimum Operating Voltage | 6 Volts (DC) |
| Model Number | PPTM01AS |
| Power Source | Corded Electric |
| Specification Met | Meets certain specifications |
| Style Name | Modern |
| UPC | 816724021647 |
| Upper Temperature Rating | 1 Kelvin |
T**S
Outstanding Tool for Automotive Diagnostics – Worth Every Penny
The Power Probe Maestro is an exceptional bit of kit for anyone working on vehicle electrics. It makes testing circuits, fuses, and connections fast and accurate. The functions are clearly laid out and easy to use, even for detailed diagnostic work. The build quality is excellent — solid, reliable, and clearly designed for professional use. The display is bright and easy to read, and the leads feel durable. It gives instant feedback and saves loads of time when tracing faults. This tool has quickly become one of my go-to pieces of equipment in the workshop. If you deal with automotive electrical systems, this is a must-have. Five stars without hesitation.
I**S
Power probe maestro
It's a very good product not for diy if you are busy the lower spec of ones . It does everything you need people giving bad reviews not knowing how to use it. Would recommend for anybody in motor trade who deals with electrics
R**N
Poor quality
The first Power Probe I bought stopped working just before it was a year old and had to be replaced. The second one failed shortly after a year. I’ve gone back to using the Power Probe 4, which is much better quality.
D**E
A disappointed customer.
I received my circuit tester in excellent time and packaged well. Unfortunately, the colours on the screen are incorrect. I sent it back because there was no option for a replacement and got my money back quick. Tried to buy again and exactly the same thing happened. So I shall try and buy it direct from the manufacturer next time.
L**.
Tool doesnt work lasted 10 min
Tool only worked for about 10 min then it broke. It doesnt read voltages it doesnt change tone when toching lives or earth and it doesn't give power or earth at the tip.
M**V
No safety for inverted hookup on battery
I**3
Le pongo 3 estrellas simplemente porque viene sin caja de uso diario he tenido otras herramientas de este tipo como la autel ps100 y tiene caja por un tercio de el valor de esta, el precio me parece un poco cara pero funciona bastante bien, tienes que tener conocimientos de electrónica para saber usarla correctamente, no me gusta que el idioma de la herramienta está en inglés tendría que tener más idiomas
L**S
Buena calidad
S**O
Spedizione tutto ok! Il prodotto funziona ma ci sono alcune cose che non sono soddisfatto. sono deluso dall'app ,funziona a "metà" Visto il prezzo mi aspettavo il top lascio 3 stelle più che altro per altri attrezzi prodotti da loro. Mi aspettavo il top visto il prezzo Ora dopo mesi di utilizzo il cicalino fa dei rumori animali,il resto funziona ancora
G**D
I’ve had mine since 2021. It’s worked flawlessly and made me quite literally thousands of dollars! It’s on another level as far as these tools go! The multimeter function saves time and I’ve had no issues with accuracy. In fact it outperforms other basic meters but I’ve yet to compare it with my my Snapon for instance. My Snapon stays in the drawer most of the time so that’s says a lot. I also use their extension cable with the battery connector end for a long cable to which I connect via banana jack many testing accessories. With the cable I have battery + and - wherever I need it around a vehicle. It’s a tremendous time saver and no more wondering if I have a good ground away from the battery. I also have their Break-Out-Box and it’s excellent as well! Whatever they make I have no concerns about buying at this point. I’m rough on my equipment and I expect it to stand up to hard use. Power Probe hasn’t let me down!
Trustpilot
2 weeks ago
2 days ago