Autool PT650 | Transmission Oil Pressure Tester
Warranty directly via AsTools
Warranty directly via AsTools
We handle warranty cases ourselves, quickly and without involving the manufacturer. Thanks to our own parts inventory and technical expertise, we can usually assist you immediately. Only in exceptional cases do we still send the product to the supplier.
2 years warranty on all products
2 years warranty on all products
All our products come with a 2-year factory warranty. This ensures you long-lasting quality and service.
Easy returns via Returnless
Easy returns via Returnless
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Professional customer service
Professional customer service
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The Autool PT650 is a digital transmission oil pressure tester, designed for diagnosing the oil pressure in automatic transmission systems. The instrument offers a measurement range of 0–426.6 psi, 0–30 kg/cm², and 0–29.4 bar. Thanks to a comprehensive set of adapters, the meter is compatible with a wide range of vehicles.
The device is equipped with a 2.8 inch HD LCD screen with backlighting for clear readability. The PT650 can store measurement data from up to 6 test cycles and displays live the current, maximum, and minimum pressure, as well as the pressure difference (ΔP). The set includes a reinforced rubber hose and corrosion-resistant copper fittings. Users can easily switch between the measurement units psi, bar, and kg/cm².
Application and functionality:
This instrument is used for measuring and analyzing the oil pressure in automatic transmissions, which helps identify potential problems.
- Digital pressure measurement: Displays the current, maximum, and minimum pressure with a resolution of 0.01.
- Data storage: Ability to save the results of up to 6 test cycles for later analysis and comparison.
- Adjustable units: Easily switch between psi, bar, and kg/cm² via the control buttons.
- Clear display: The 2.8 inch LCD screen with backlighting ensures a bright display of the measurement values under all lighting conditions.
Compatible systems and applications:
The PT650 is developed for use on various vehicles with an automatic transmission system.
- Vehicle system: Automatic transmissions.
- Application: Diagnosing symptoms such as slipping, hard shifting, or overheating of the transmission by checking the oil pressure.
Package Contents:
- 1x Autool PT650 digital pressure gauge
- 1x Pressure sensor with hose
- 1x Adapter: 1/8"-28 OD
- 1x Adapter: M8x1.0 OD & M10x1.0 ID
- 1x Adapter: 1/8"-28 OD & M10x1.0 ID
- 1x Adapter: M10x1.0 OD & M10x1.0 ID
- 1x Adapter: NPT 3/8" OD & M10x1.0 ID
- 1x Adapter: NPT 1/4" OD & M10x1.0 ID
- 1x Adapter: 1/8"-28 ID
- 1x Adapter: 1/8"-28 OD & 1/4"-19 OD
- 2x Adapter: 1/8"-28 ID & OD
Technical specifications:
| Specification | Description |
|---|---|
| Product brand | Autool |
| Product model | PT650 |
| Measurement range | 0–426.6 psi / 0–30 kg/cm² / 0–29.4 bar |
| Resolution | 0.01 |
| Display | 2.8 inch HD LCD with backlighting |
| Connections | Set of 10 adapters (including 1/8", 1/4", NPT, M8, and M10) |
| Material | Reinforced rubber hose, copper fittings |
| Application area | Automatic transmission oil |










