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AUTOOL PT620 Engine Oil Pressure Gauge with Digital Display
US$179.00
Key Features
- Real-Time Pressure
- High Sensitivity
- Two-Decimal Readout
- Real-Time Pressure: Shows engine oil pressure as it changes during testing.
- High Sensitivity: Digital sensing helps catch small pressure changes.
- Two-Decimal Readout: Measurement values are shown to two decimal places.
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AUTOOL PT620
Product Overview
The AUTOOL PT620 is a digital engine oil pressure gauge kit for checking engine oil circulation system pressure on cars, motorcycles, trucks, and other compatible vehicles. It uses a digital measurement system with a 2.8-inch backlit display, real-time pressure reading, max/min pressure display, differential pressure display, multi-unit switching, and an adapter set for common engine oil pressure sensor ports.
Engine Oil Pressure
2.8" Backlit Display
PSI / Bar / kg/cm²
18 Adapter Types
0-426.6 PSIPressure Range
0.01Display Resolution
4 × AAABattery Type
3 YearsMain Unit Warranty
Click to enlargeKey Features
Key Features
PT620 focuses on accurate digital oil pressure measurement, clear pressure reading, convenient interface control, and practical connection accessories for engine oil pressure testing.
Digital Pressure Measurement
Measures engine oil pressure with a digital measurement system and supports a wide display range up to 0-426.6 PSI.
2.8-Inch Backlit Display
The 2.8-inch backlit screen shows pressure information clearly, making readings easier in dim workshop or engine bay conditions.
Multi-Unit Switching
Switch pressure units between PSI, Bar, and kg/cm² to match different service habits and vehicle information references.
Max / Min / Differential Display
The interface can show current pressure, current maximum pressure, current minimum pressure, differential pressure, and measurement time.
Data Lock, Clear And Zeroing
Use the lock key to hold the current interface, clear test data when needed, and zero the pressure value before testing.
Riveted Copper Adapter Set
The included copper adapters help support common engine oil pressure sensor port connections and resist wear and oxidation during normal use.
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Click to enlargeSpecifications
PT620 Digital Oil Pressure Gauge Specifications
PT620 uses four AAA batteries, supports PSI / Bar / kg/cm² pressure units, and provides a 0.01 display resolution for engine oil pressure measurement.
| Core Specifications | |
| Product | AUTOOL PT620 Oil Pressure Gauge Kit |
| Main Application | Engine oil circulation system pressure testing |
| Display Screen | 2.8-inch backlit display |
| Pressure Range | 0-426.6 PSI / 0-30 kg/cm² / 0-29.4 Bar |
| Manual Listed Range | 0-30 Bar |
| Resolution | 0.01 Bar / 0.01 kg/cm² / 0.01 PSI |
| Accuracy | 0.5% FS |
| Pressure Units | PSI / Bar / kg/cm² |
| Operating Voltage | 6V |
| Battery Type | Four 1.5V AAA batteries |
| Operating Temperature | -10°C to 60°C |
| Overload Pressure | 40 Bar |
| Display Values | Current pressure, max pressure, min pressure, differential pressure, and measurement time |
| Interface Functions | Lock / unlock, data clearing, pressure zeroing, unit switching, key sound on/off, backlight on/off |
Click to enlargeCore Specifications
ProductAUTOOL PT620 Oil Pressure Gauge Kit
Main ApplicationEngine oil circulation system pressure testing
Display Screen2.8-inch backlit display
Pressure Range0-426.6 PSI / 0-30 kg/cm² / 0-29.4 Bar
Manual Listed Range0-30 Bar
Resolution0.01 Bar / 0.01 kg/cm² / 0.01 PSI
Accuracy0.5% FS
Pressure UnitsPSI / Bar / kg/cm²
Operating Voltage6V
Battery TypeFour 1.5V AAA batteries
Operating Temperature-10°C to 60°C
Overload Pressure40 Bar
Display ValuesCurrent pressure, max pressure, min pressure, differential pressure, and measurement time
Interface FunctionsLock / unlock, data clearing, pressure zeroing, unit switching, key sound on/off, backlight on/off
Click to enlargeCompatibility And Fitment
Compatibility And Fitment
PT620 includes multiple adapter types, a right-angle quick connector, and an oil-resistant transfer hose to help connect to common engine oil pressure sensor ports. Confirm the required adapter size before testing.
18 Adapter Types
The PT620 comparison and adapter images list 18 accessory connector types for engine oil pressure testing setup.
Common Thread Sizes
Shown sizes include M10, M12, M14, M16, M18, UNF, NPT, and ZG thread options for common service connections.
Right-Angle Quick Connector
The right-angle connector helps in tight engine bay spaces where a straight connection may be inconvenient.
Oil-Resistant Hose
The transfer hose is designed for oil pressure testing connection needs. Check hose and fittings before every test.
Adapter Size Reminder
- Adapter sizes shown include M10×1.0, M10×1.25, M12×1.25, M12×1.5, M12×1.75, M14×1.25, M14×1.5, M16×1.25, M16×1.5, M18×1.5, 3/8-24UNF, 1/2-20UNF, NPT-1/4-18, NPT-1/8-27, NPT-3/8-18, and ZG1/8-28.
- Do not force an adapter into an incompatible oil pressure sensor port.
How To Use
How To Use
Install the batteries, select the correct adapter, zero the gauge before testing, connect to the engine, start the engine, and read the measured pressure on the display.
Remove The Sensor
Remove the engine oil pressure sensor according to the vehicle service procedure.
Connect The Adapter
Choose the suitable adapter for the vehicle model and connect it to the measuring probe.
Zero The Gauge
Power on the gauge and reset the pressure value to zero before testing.
Connect To The Engine
Connect the measuring probe to the engine oil pressure test point securely.
Start The Engine
Start the engine only after the fitting is properly connected and the gauge is ready.
Read The Pressure
Check the current pressure and related display values on the PT620 screen.
Click to enlargeUse Notes
- Install four 1.5V AAA batteries and confirm correct polarity before use.
- Long press the power key for more than 2 seconds to start the instrument.
- Zero the pressure reading before testing.
- Use the unit key to switch between Bar, kg/cm², and PSI.
- Use the lock key to lock or unlock the current display interface.
- After measurement, shut down the device under atmospheric pressure.
Before You Order And Use
Before You Order And Use
Review these points before and after testing to protect the gauge, adapters, hose, and vehicle connection points.
Do Not Overload
Use the gauge within the rated testing range and do not exceed the listed overload pressure.
Check Fittings First
Regularly check parts that need to be tightened or connected. Tighten loose fittings before operation.
Avoid Corrosive Liquids
Avoid contact with corrosive liquids and clean parts that contact chemical media after use when needed.
Protect The Housing
Do not rub the product against rough surfaces or damage the housing during storage and operation.
Store Dry
Store the product in a dry place. Do not store it in hot, humid, or poorly ventilated locations.
Auto Power-Off
The device automatically powers off after 5 minutes of inactivity when no pressure is applied.
Product Comparison
Product Comparison
AUTOOL PT-series pressure testers are designed for different vehicle systems. Choose PT620 when your main task is engine oil circulation system pressure testing.
PT610Cylinder pressure testing, 0-30 Bar range, 10 accessory connector types, and 6 sets of data storage according to the comparison chart.
PT620Engine oil pressure testing, 0-30 Bar range, 18 accessory connector types, equipped toolbox, data lock / clear / record interface control, and max/min/differential/real-time pressure display.
PT630 / PT635Automotive fuel system pressure testing. PT635 is the high-end fuel pressure gauge version with more accessory connector types.
PT640GDI fuel pressure testing for automotive direct injection systems, with a 0-360 Bar pressure range shown in the comparison chart.
PT650Automotive transmission pressure testing with equipped toolbox and multi-parameter pressure display.
PT660Internal fluid pressure testing of the brake system, with dual-channel brake caliper pressure measurement support shown in the comparison chart.
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Click to enlargeWhat Is In The Box
What Is In The Box
The package image shows the PT620 main unit, storage case, retail box, transfer hose, right-angle quick connector, adapter set, and user manual. Use the package image as the final visual reference for included accessories.
Main UnitAUTOOL PT620 oil pressure gauge kit
Storage CaseProtective carrying case shown in the package image
Retail BoxAUTOOL PT620 product packaging
HoseOil-resistant transfer hose shown in the package image
ConnectorRight-angle quick connector
AdaptersAdapter set shown in the package image
DocumentationUser manual
Manual And Downloads
Manual And Downloads
Download the PT620 user manual for technical specifications, battery installation, interface functions, operation steps, maintenance, warranty, and return/exchange information.
Click to enlargeAUTOOL PT620 User Manual
Open the PDF manual for PT620 setup, battery installation, pressure zeroing, unit switching, display lock, data clearing, and maintenance guidance.
Download PT620 ManualNeed Adapter Confirmation?
Contact AUTOOL Store before ordering if you need help confirming adapter size, oil pressure sensor port compatibility, pressure range, PT-series model selection, or included accessories.
Related Products
Related Products
Compare related AUTOOL pressure tester models before choosing the right tool for cylinder pressure, engine oil pressure, fuel pressure, GDI fuel pressure, or transmission oil pressure testing.
- Select options This product has multiple variants. The options may be chosen on the product page
AUTOOL PT610 Cylinder Pressure Gauge Automotive Tool
From US$119.00 - Select options This product has multiple variants. The options may be chosen on the product page
AUTOOL PT620 Engine Oil Pressure Gauge with Digital Display
From US$179.00 - Select options This product has multiple variants. The options may be chosen on the product page
AUTOOL PT635 Fuel Pressure Gauge(Hight-end Version) 0-426 PSI Digital Display Automotive Tool for Motorcycle Car Truck
From US$259.00 - Select options This product has multiple variants. The options may be chosen on the product page
AUTOOL PT640 GDI Fuel Pressure Gauge 0-360Bar Digital Measurement Pressure Gauge
From US$189.00 - Select options This product has multiple variants. The options may be chosen on the product page
AUTOOL PT650 ATF Exchanger Transmission Oil Pressure Gauge
From US$119.00
Questions And Answers
These answers cover PT620 application, pressure range, pressure units, data lock and zeroing, batteries, adapters, model selection, package contents, and warranty support.
PT620 is designed for engine oil circulation system pressure testing. It is not the same as a cylinder pressure tester, fuel pressure tester, GDI pressure tester, transmission pressure tester, or brake pressure tester.
The product images show a display range of 0-426.6 PSI, 0-30 kg/cm², and 0-29.4 Bar. The user manual lists the range as 0-30 Bar and the overload pressure as 40 Bar.
PT620 supports PSI, Bar, and kg/cm². Use the pressure unit button to switch units according to your testing requirement.
PT620 supports data lock, interface lock, data clearing, and pressure zeroing. Do not treat PT620 as a multi-set data storage model unless confirmed by the latest product version and seller support.
PT620 uses four 1.5V AAA batteries. Open the battery cover on the back of the device, insert the batteries with correct polarity, and close the cover securely before use.
The comparison and adapter images list 18 accessory connector types for PT620. The adapter image shows metric, UNF, NPT, and ZG thread options, plus a right-angle quick connector and oil-resistant transfer hose. Confirm the required adapter size before testing.
Yes. Power on the gauge and zero the pressure value before testing. The manual also notes that shutdown should be performed under atmospheric pressure after measurement is completed.
PT620 is for engine oil pressure testing. For fuel pressure, compare PT630 or PT635. For GDI pressure, compare PT640. For transmission oil pressure, compare PT650. For brake system internal fluid pressure, compare PT660.
Refer to the Packing List image for final visual confirmation. The image shows the PT620 main unit, storage case, retail box, transfer hose, right-angle quick connector, adapter set, and user manual.
From the date of receipt, AUTOOL provides a three-year warranty for the main unit and a one-year warranty for included accessories. Warranty service depends on the actual breakdown situation and warranty terms.
Warranty And Contact
Warranty And Contact
For PT620 adapter confirmation, engine oil pressure testing setup, pressure range questions, battery operation, interface lock and zeroing, package contents, warranty, or PT-series model selection, contact AUTOOL Store support.
Pre-Sales And Product Support
Use support if you need help confirming whether PT620 is the correct pressure tester for your vehicle system, which adapter size you need, how to zero the gauge, or which PT-series model is better for fuel, GDI, transmission, brake, or cylinder pressure testing.
- PT620 oil pressure testing setup guidance
- Adapter size and connection confirmation
- Pressure range and unit switching explanation
- Battery installation and zeroing support
- Packing List and accessory confirmation
- PT610 / PT620 / PT630 / PT635 / PT640 / PT650 / PT660 model selection
- Warranty and replacement accessory support
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