AUTOOL AS501 Brake Fluid Tester is a professional, portable device specifically designed to measure moisture content in automotive brake fluid. It supports testing for six mainstream brake fluid types, including traditional standards DOT3, DOT4, DOT5, DOT5.1, and the latest European standards ENV4 and ENV6. Utilizing advanced boost detection technology, it accurately completes brake fluid moisture content testing in just 10 seconds, efficiently helping car owners and mechanics quickly assess brake fluid quality results.

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Boost Detection System
AUTOOL AS501 employs cutting-edge boost detection technology, delivering greater precision than conventional testing equipment. Simply immerse the probe in brake fluid during testing to determine whether the fluid requires replacement based on the results.
Lightweight Body Design
AUTOOL AS501 features a lightweight body design with sleek lines and a feather-light feel. Its single-hand grip allows for effortless operation, enhancing convenience and flexibility. It is perfectly suited for 4S service centers, auto repair shops, and outdoor field applications.
High-Definition Backlit Display
AUTOOL AS501 features a 1.8-inch high-definition backlit display that clearly shows the percentage of water content in brake fluid during testing, providing precise readings. Data is easily readable whether in bright outdoor sunlight or dim garage environments.
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Specifications
Operating Temperature: -10 °C ~ 50°C 
Storage Temperature: -20°C ~  60°C  
Working Voltage: 2 × 1.5V batteries
Supported Oil Types: DOT3 DOT4 DOT5.0 DOT5.1 ENV4 ENV6
Built-in High-Sensitivity Sensor
AUTOOL AS501 features a built-in high-sensitivity sensor, eliminating lengthy wait times for testing. It completes brake fluid moisture content detection in just 10 seconds, significantly boosting your work efficiency.
Package Included
1pc * AUTOOL AS501 Brake Fluid Tester
1pc * Instruction Manual
1pc * Black hand box

AUTOOL BT10 Electronic Handbrake Emergency Unlocking Device, a specialized emergency tool designed for quickly releasing the handbrake when the EPB system malfunctions and locks up. It is suitable for scenarios such as troubleshooting electronic handbrake system failures, emergency towing in sudden accidents, and brake pad wear inspections. Supports bidirectional mode switching with a single button. Forward mode enables rapid unlocking of the locked electronic handbrake to move the faulty vehicle; reverse mode applies emergency braking to ensure temporary parking safety. No need to disassemble components or use forceful reset methods, avoiding damage to the braking system. An essential tool for repair shops, roadside assistance team, and DIY car owners, effectively reducing repair costs and significantly saving repair time.
Dual-mode one-button operation
The AUTOOL BT10 features dual-channel control for forward and reverse rotation. With a single button press, you can quickly release and apply the electronic handbrake, efficiently addressing issues such as the need to quickly release the brakes during emergency towing in the event of an accident, or the need to disengage the electronic handbrake during brake system maintenance and repairs.
Multiple circuit protection
Equipped with reverse polarity protection, even if reversed due to improper operation, the device will not be damaged by circuit problems; after power-on, it automatically performs a system self-check and displays the working status intuitively through a green light; built-in 5A fast-acting fuse, which can instantly cut off the circuit in case of overcurrent, effectively protecting the motor and brake caliper.
Multiple Circuit Protection
AUTOOL BT10 features a multiple circuit protection design for safe and reliable operation. It has reverse polarity protection, so even if you accidentally reverse the polarity, the device won't get damaged by a circuit problem. After powering on, it automatically does a system self-check and shows the working status with a green light. It has a built-in 5A fast-acting fuse that instantly cuts off the circuit in case of overcurrent, effectively protecting the motor and brake caliper.

Product Specifications:
Operating Voltage: DC 10V - 14V;
Operating Current: <15A

Packaging Details
1 piece*AUTOOL BT10 Electronic Handbrake Emergency Unlocking Machine
1 piece*User Manual


 

AUTOOL AS502 Automotive Brake Fluid Tester is a state-of-the-art device designed for automotive brake fluid testing. It utilizes a highly sensitive probe and hose system to quickly and accurately measure the water content and boiling point of brake fluid. By selecting a specific type or brand of brake fluid, users simply follow the on-screen prompts to complete the test and obtain more accurate results, thus ensuring the normal operation of the braking system and driving safety.

Normal mode: applicable to DOT-3, DOT-4, DOT-5.1 types of brake fluids
Expert Mode: Applicable to various brands of brake fluids, providing more accurate test results.
Supports 14 popular brands in the market: Fit for ATE, Fit for TRW, Fit for BOSCH, Fit for MOBIL, Fit for TOTAL, Fit for FUCHS, Fit for MOTUL, Fit for DELPHI, Fit for KUNLUN Fit for FERODO, Fit for BREMBO, TFit for EXTAR, Fit for MONARCH, Fit for CHANGCHENG.

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BOOST DETECTION SYSTE
MInnovative boost quick detection technology ensures stable performanceand more accurate measurement results.
USER-FRIENDLY DESIGN
The handheld part of the device is lined with silicone, providing a comfortable grip and a lightweight design, making it easy to operate with one hand.
HIGH-DEFINITION BACKLIT DISPLAY
The 2.8-inch LCD screen with a backlit design provides users with a clearer display, regardless of strong light or dark night, making your work more efficient and effortless.
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SPECIFICATIONS
Wet boiling point range: 140 °C ~ 205°C (284°F ~ 401°F) ±5%
Dry boiling point range: 160 °C ~ 320 °C (320 °F ~ 608 °F) 
Working Voltage: 6V(4 × 1.5V batteries)
Detection time: 16 seconds
Working temperature range: -10 °C ~ 60 °C
HIGHLY SENSITIVE PROB
Equipped with a highly sensitive sensor and a 260mm coiled hose, this device.provides a convenient and fast user experience. The outer layer of the hose is made of 304 stainless steel, which has the characteristics of oil resistance, oxidation resistance, and corrosion resistance, effectively extending the product's service life.
PACKAGE INCLUDED
1pc * AUTOOL AS502 BRAKE FLUID TESTER
1pc * Instruction Manual
1pc * Black hand box
  
 
 
AUTOOL AS503 Automotive engine lubricant tester is a professional oil testing equipment designed for automotive testing and maintenance field, mainly through the measurement of gasoline or diesel engine lubricating oil transmittance to reflect the impurities and contaminants in the lubricating oil, and then diagnose the quality of the oil and the performance of the degree of good and bad, can effectively prevent the emergence of engine problems and malfunctions, to ensure that the engine works normally and efficiently! It can effectively prevent engine problems and malfunctions, and ensure the engine to work normally and efficiently.
APPLICABLE TO VARIOUS ENGINE OILS 
Our engine oil quality tester is compatible with various lubricant oiI standards, suitable for most gasoline and diesel engine lubricant oil on the market. Separate sampling and measurement of gasoline engines and diesel engines can more accurately determine the health status of lubricant oil.
OIL TEMPERATURE DISPLAY
The engine oil tester screen generates an analog bar graph for analysis, and an integrated temperature sensor inside the machine tests the oil temperature, making it easy to assess the engine's operating condition.
HIGH PRECISION OPTICAL PROBE
The engine oil tester probe utilizes an integrated high-precision photoelectric sensor and temperature sensor to provide fast and sensitive response and more accurate measurement results.
FLEXIBLE HOSE PROBE FOR CONVENIENT TESTING
Our engine oil quality tester is equipped with an 800MM long hose probe that flexes and easily enters the oil port. There is no need to remove the oil for testing. The hose is made of PTFE material, which is highly resistant to oil, oxidation and corrosion, effectively extending its service life.
LARGE LCD WITH HIGH DEFINITION
Equipped with a backlit 2.8-inch LCD screen that visually displays oil transmission rate and temperature, allowing you to view test results at a glance. Operates efficiently in varying lighting conditions, whether it's bright day or dim night.
USER FRIENDLY HANDHELD DESIGN
The engine oil tester has a backlit button that can be turned on at the touch of a button to accommodate changing usage scenarios. The handheld portion of the body is lined with a silicone substrate that provides excellent grip and a lightweight design for easy one-handed operation.
Warmly NoteπŸ“
In cases where the oil filler cap of certain vehicle models does not allowdirect insertion of the testing probe, it is necessary to extracta portion of the engine oil from the vehicle before conducting the test.
SPECIFICATION
Operating Voltage  6V (4 × 1.5V batteries)
Operating Temperature 10℃-60℃
Auto Power Off:If the engine oil tester is in a state of no operation, it will automatically shut down after 5 minutes to help you save power.
PACKAGE DETAILS
1pc *AUTOOL AS503 Engine Oil Tester Main Unit
1pc*Instruction manual
1pc* Product box
CAUTION:πŸ“
1. Please check the temperature displayed on the dashboard of your car before testing. The engine temperature must be below 60°C during the test. 
2. Please wipe the test probe clean before testing, and make sure the probe is immersed in oil during testing. 
3. The depth of the engine of different models is different. If the tester probe cannot be immersed in the oil, please take out the engine oil for testing.
This product relies on optical detection probes to analyze the particulate content in oil.  As a result, it is not suitable for analyzing automotive engine oils containing components such as molybdenum disulfide(MoS2), organic molybdenum, graphene, and similar substances.
 
 
 
  
  
  
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