Our Commitment:
- 100% Quality Guaranteed
- 100% Satisfaction Guarantee
- 24-Hour Dispatch Guarantee
- 30-Day Full Refund Guarantee
- 36-Month FREE Warranty
- US-Based Seller
- 100% Quality Guaranteed
- 100% Satisfaction Guarantee
- 24-Hour Dispatch Guarantee
- 30-Day Full Refund Guarantee
- 36-Month FREE Warranty
- US-Based Seller
Comparison: PS 100 Pro vs. PS 100 (Standard)
| Feature / Function | PS 100 Pro (Upgraded) | PS 100 (Standard) |
| Oscilloscope Mode | Supported (Real-time waveform analysis) | Not Supported (Digital readout only) |
| Screen Display | TFT Color (Supports 180° Rotation) | TFT Color (Fixed orientation) |
| Continuity Test | Advanced: 0-200KΩ with Flip-Screen & Audio | Standard: Basic resistance with Audio |
| Multi-Language | English, Spanish, French, German, Chinese, etc. | Primarily English |
| Voltage Range | 12V - 24V (Measures up to 65V) | 12V - 24V (Measures up to 65V) |
| Diode Test | Enhanced Mode with Instant Feedback | Basic Diode Testing |
| Component Activation | Supported (10A Circuit Breaker Protected) | Supported (10A Circuit Breaker Protected) |
| Cable Length | 40FT Total (20FT Main + 20FT Extension) | 20FT Standard Cable |
| User Interface | Pro UI: More intuitive icons & navigation | Standard UI |
2026 Newest Professional Electrical System Diagnostic Tool
Upgraded PS100 Pro with Oscilloscope, Screen Rotation & Multi-Language Support
The PS100 Pro is a revolutionary circuit tester designed for 12V to 24V vehicle systems. This upgraded Pro version integrates professional-grade diagnostic features like an Oscilloscope and a 180° Rotating Screen, making complex electrical troubleshooting faster and more intuitive for modern technicians.
🔥 Key "Pro" Exclusive Upgrades:
Integrated Oscilloscope Mode: Real-time waveform analysis for testing sensors and signal circuits. View live signals directly on the tool without needing a separate scope.
180° Screen Rotation: Designed for tight spaces! Flip the display with one click to ensure the LCD is always readable, no matter how the tool is positioned.
Multi-Language Interface: Supports English, Spanish, French, German, Italian, Portuguese, and more for global compatibility.
Advanced Diode & Continuity Test: Instantly verify diode integrity and perform rapid continuity checks with clear audible and visual feedback.
High-Resolution Color Display: Upgraded TFT screen provides crisp readouts of voltage, frequency, and duty cycle.
🛠 5 Powerful Working Modes:
DC Voltage: Measure DC voltage from 0-65V with precise 0.1V resolution.
AC Voltage & Oscilloscope: Read Max/Min voltage and frequency while viewing the live signal waveform.
Resistance/Continuity: Easily detect open or short circuits and measure resistance between the tip and ground.
Diode Test: Dedicated mode to quickly check the functional status of diode assemblies.
Audio Tone Toggle: Switch the beep on for audible alerts or off for silent operation in sensitive environments.
🌟 Professional Features:
Component Activation: Power up components (fans, pumps, relays) directly from the tool. Test them in your hand or in the vehicle.
Instant Polarity Identification: Red LED/High Tone for Positive (+), Green LED/Low Tone for Negative (-). No more guessing.
Fault Locating: Quickly trace and locate short circuits and bad grounds without wasting hours on wiring harnesses.
40FT Total Reach: Includes a 20FT heavy-duty cable plus a 20FT extension, allowing you to test from the front battery to the rear trailer lights effortlessly.
Built-in Flashlights: Dual LED lights at the tip ensure you can see clearly under dashboards and in dark engine bays.
Circuit Breaker Protection: Internal 10 Amp breaker protects the tool and the vehicle from accidental overloads.
📋 Technical Specifications:
| Feature | PS100 Pro Specifications |
| Display | TFT Color Display with 180° Flip Function |
| Operating Voltage | 12.0V or 24.0V (Vehicle Battery Powered) |
| DC Voltage Range | 0 - 65V (+1 digit) |
| Resistance Range | 0 – 200 KΩ |
| Circuit Breaker | 10 Amp (Automatic Reset / Manual Override) |
| Supported Languages | English, Spanish, French, German, etc. |
| Dimensions | 126mm x 46.5mm x 35mm |
📦 Package Includes:
1 x PS100 Pro Circuit Tester Main Unit
1 x Rugged Protective Carrying Case
1 x 20ft. Extension Cable
1 x Heavy-Duty Battery Hookup Clips
1 x Cigarette Lighter Power Adapter
1 x Stainless Steel Probe Tip
1 x User Manual
1 x Quick star guide
Why Customers Love OBDResource
Real feedback from customers who trust the OBDResource brand for quality, reliability, and service.
- Trustworthy Brand & Warranty
OBDResource is a name I trust. I've bought their scanners before, and they've lasted for years. The 3-year warranty and 30-day refund policy really make me feel secure buying from them.
- Reliable Quality & Great Support
OBDResource really delivers on quality. You can tell this isn't some random brand their tools are solid and the customer support is quick to respond. I had one question about setup and they answered within hours. That's real service.
- Fast U.S. Shipping & Great Packaging
Super fast delivery from OBDResource! It shipped right from a U.S. warehouse and arrived in just two days. The packaging was solid no damage at all. I really appreciate how quickly they process and ship orders. Definitely a trustworthy U.S.-based seller!
- Consistent Performance Over Time
I've been using OBDResource tools for a while now first their OBD scanners, now this relay tester. Everything they make just works. It's nice to finally find a brand that keeps the same level of reliability across all their products.
- Peace of Mind Warranty
The 3-year warranty really sets OBDResource apart. Most cheap tools only give you a few months, but they actually stand behind what they sell. That alone makes me confident to buy again!
- Trusted by Professionals
In our small repair shop, we've switched almost entirely to OBDResource tools. They're accurate, easy to use, and don't fail under heavy use. You can tell the company actually understands what mechanics need.
- Excellent After-Sales Service
I had a small issue with shipping and OBDResource's customer service took care of it right away. No hassle, no waiting weeks for an answer. That kind of service keeps me coming back!
- Built by People Who Know Cars
What I love about OBDResource is that their products feel like they're made by people who actually work on cars. The functions make sense, the build is tough, and everything feels thought-out. That's rare these days.
- Overall Impression
For the price, this is easily one of the best tools I've bought. It's smarter, faster, and does more than other testers out there. Definitely keeping this one in my toolbox.
