There are top 3 vehicle electrical testers: Jdiag P200 smart hook powerful probe, Power Probe PPH1, Autel PowerScan PS100. Jdiag P200 is the best, whether it is hardware configuration or circuit test mode.
Best electrical testers comparison table Jdiag P200 vs PPH1 vs Autel PS100:
| Jdiag P200 | Power Probe PPH1 | Autel PowerScan PS100 | |
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| Operating Voltage | 9-30V | 12-48V | 12/24V |
| Testing Voltage | 0-150V | 0-100V | 0-70V |
| LCD Screen Display | 2.4inch Color LCD | 0.8 inch backlit | 1.7inch color LCD |
| 9-Grid Nativation menu | Yes | No | No |
| Circuit Protection | Yes | Yes | Yes |
| Fuse protection | Yes | Yes | No |
| Alligator Battery Clip | Special Design | Normal | Normal |
| DC Voltmeter | Yes | Yes | Yes |
| AC Measurement | Yes | Yes | Yes |
| Smart Ohms/Volts | Yes | No | No |
| Herts / Frequency | Yes | No | No |
| 5-button naviation | Yes | Yes | No |
| Relay test | Yes | Yes | No |
| Diode Test | Yes | Yes | Yes |
| Relay test diagram | Yes | No | No |
| Fuel Injector Test | Yes | Yes | No |
| Oscilloscope Mode | Yes | No | No |
| Positive /Negative display | Yes | No | No |
| Safty Power Supply | Yes | Yes | No |
| Component Activation | Yes | Yes | Yes |
| Activation Model selectable | Yes | Yes | No |
| Full multimeter mode | Yes | No | No |
| Multi-language | Yes | No | No |
| Home screen change style | Yes | No | No |
| Update online | Yes | No | No |
Therefore, Jdiag P200 wins PPH1 and Autel PS100. I also have a video to share with you, which further proves my conclusion, please watch video:
Smart test mode: confirmed
Multi meter test mode: confirmed
Oscilloscope Test: confirmed
Relay test mode: confirmed
Activation test mode: confirmed
0-5V Safety power supply mode: confirmed
Fuel Inject Test Mode: confirmed
Positive / negative test mode: confirmed
Multilanguage: confirmed
online updates for free: confirmed
Hope it helps!