SISCO digital brake fluid tester comes with 5 LED indicators to show the percentage of moisture in the brake fluid. It can check the health status of your car brake fluid quickly, and remind you to change the brake fluid in time. This car brake fluid tester is small in size and easy to carry. Press the button and insert it, you can see the result of water content in your brake fluid.
High-Precision Metal Probe Ensures Accurate and Stable Detection
The Brake Fluid Tester Pen is Made of Durable ABS material, Drop-Resistant and Rust-Resistant
SISCO brake fluid tester is widely used in automotive workshops, inspection stations, fleet maintenance, and by car owners for routine vehicle care. It quickly detects moisture content or boiling point changes in brake fluid, helping ensure reliable braking performance and compliance with DOT standards (DOT 3, DOT 4, DOT 5.1). This makes it an essential tool for mechanics, inspectors, and drivers to maintain safety and prevent brake failure.
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Model | SISCO-BFT-SCCSB |
Material | ‎ABS plastic |
Maximum Supply Voltage | ‎1.5V |
Measurement Accuracy | ‎±1% |
Output Type | ‎LED indicator |
Temperature | 0~50℃ |
Dimensions | 5.9*0.74 inch |
Weight | 50g |
Q1: What is a brake fluid tester?
A1: A brake fluid tester is a tool used to check the condition of brake fluid in a vehicle. It measures factors like water content or boiling point, since moisture in brake fluid lowers its effectiveness and can lead to brake failure. By providing a quick pass/fail or percentage reading, it helps determine whether the brake fluid is safe to use or needs to be replaced.
Q2: What types of brake fluid can a brake fluid tester test?
A2: Most brake fluid testers are designed to test glycol-based fluids, including DOT 3, DOT 4, and DOT 5.1. These are the most common types used in passenger cars and light trucks. They are not suitable for DOT 5 silicone-based brake fluid, which requires different testing methods.
Q3: How does a brake fluid tester work?
A3: A common brake fluid tester works by submerging its electrodes into the brake fluid, then measuring the electrical conductivity of the fluid. Because brake fluid naturally absorbs water over time, this water increases its conductivity. The tester uses a traffic light system of LEDs to indicate the percentage of water content and the overall condition of the fluid, with green meaning no water and red indicating a high level of moisture that requires a brake fluid flush.
Tips: Why do I need to test my brake fluid?
You need to test your brake fluid because it is hygroscopic, meaning it absorbs moisture over time. Even a small amount of water contamination can:
Regular testing ensures your brake fluid is still safe, helps prevent costly repairs, and most importantly, maintains reliable braking performance and driving safety.
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.