| SKU | TY001147 |
| MOQ | 1 |
| KG/Piece | 0.10 KG |
| Returns | 30 days returns. Buyer pays for return shipping. If you use an Acctes shipping label, it will be deducted from your refund amount. See details |
| Packaging Type | Box Packaging Bag Packaging |
The Multi‑Function High‑Precision Automotive Brake Fluid Quality Tester Pen is a compact, portable diagnostic tool designed to accurately measure moisture content in brake fluid, a critical factor for maintaining safe braking performance. Glycol-based brake fluids naturally absorb moisture over time, which lowers the boiling point and reduces braking efficiency—this tool gives you instant, reliable results to help you determine when brake fluid needs replacement.
Ideal for both professional mechanics in repair shops and DIY car owners, this tester combines high-precision sensing with user-friendly operation, delivering results in seconds. Compatible with all common brake fluid types, it is an essential addition to any automotive maintenance toolkit.
✅ High-Precision Measurement: High-sensitivity sensor probe delivers accurate readings within ±0.3% error margin for reliable results
✅ Wide Compatibility: Supports testing for all common brake fluid types: DOT 3, DOT 4, and DOT 5.1, fits most passenger cars and light trucks
✅ Instant Readings: Get test results in seconds, with clearly visible LED indicators or backlit LCD display for easy interpretation
✅ Compact Portable Design: Pen-style form factor fits easily in a tool bag or glove compartment for testing anywhere
✅ Durable Construction: Corrosion-resistant probe and impact-resistant ABS or nylon housing withstand repeated use in shop environments
✅ Audible Alarm Notification: Built-in buzzer alerts you instantly when moisture content exceeds the safe threshold, indicating a need for fluid replacement
✅ Data Hold Function: Locks test results on screen for easy recording and review after measurement
✅ Simple Operation: One-button operation makes this tool accessible for both professional technicians and home car owners
✅ Replaceable Battery: Easy-to-replace battery design allows for long-term continuous use
✅ 5-Gear Indication: Color-coded 5-level indicator system makes it easy to identify brake fluid condition at a glance
Automotive repair shops and service centers
Dealership service departments
Independent mechanic workshops
Vehicle inspection facilities
Commercial fleet maintenance programs
Home vehicle maintenance checks
Pre-purchase used vehicle inspections
Regular brake system preventive maintenance
Verification after brake fluid flushes
Motorcycle and light truck maintenance
Press the power button to activate the device.
If applicable, use the mode button to select your brake fluid type (DOT 3 / DOT 4 / DOT 5.1).
Gently insert the probe into the brake fluid reservoir or into a small extracted sample of brake fluid.
Wait 2-3 seconds for the reading to stabilize.
Read the result from the LED indicators or LCD display. Use the data hold function to lock the result if needed.
Remove the probe and wipe clean with a dry cloth before storing.
If moisture content exceeds 3%, it is recommended to replace your brake fluid to maintain safe braking performance.
1 x Multi-Function Brake Fluid Tester Pen
1 x User Instruction Manual (English)
1 x Retail Packaging Box
Batteries are not included (requires 1-2 AAA 1.5V batteries)
Brake fluid absorbs moisture from the atmosphere over time, which gradually lowers its boiling point. When brake fluid overheats during hard braking, it can vaporize and cause a spongy brake pedal or even complete brake failure. Testing your brake fluid moisture content every 12 months helps maintain maximum braking performance and keeps you safe on the road. Our high-precision tester pen makes this critical maintenance step quick, easy, and affordable.
Payment
We accept a variety of safe and convenient payment methods to meet your different transaction needs, including Alipay, Visa, MasterCard, Telegraph Transfer (T/T), Western Union, and other mainstream payment channels. We also support customized payment solutions according to your actual needs. If you have special payment requirements (such as other payment methods not listed), please feel free to consult our customer service window, and we will provide you with the most suitable payment plan.
Before completing the payment, please carefully check and confirm the accuracy of the payment amount, your account information, and the receiving address. Any errors in the above information may lead to payment failure, payment delay, or delivery errors. We will not be responsible for any losses caused by incorrect information provided by the buyer.
If you encounter any problems during the payment process (such as payment failure, payment stuck, etc.), please contact our customer service in a timely manner. We will respond to you within 24 hours and help you solve the problem to ensure the smooth progress of your payment.
Shipping
All orders will be processed and shipped within 3-5 business days after we receive your full payment (excluding weekends, public holidays, and force majeure events such as natural disasters and logistics outages). Before shipment, our professional quality inspection team will conduct a comprehensive inspection of the goods to ensure that the product quality meets the standard and there is no damage or missing parts.
We only ship goods to the confirmed order address. Please make sure that your order address is consistent with your actual shipping address. If you need to modify the shipping address, please contact our customer service in a timely manner before the order is shipped. Once the goods are dispatched, we will not be able to change the shipping address, and any losses caused thereby shall be borne by the buyer.
For international shipments, the delivery time is affected by factors such as customs clearance speed, local logistics efficiency, and regional policy restrictions. Therefore, we cannot guarantee the exact delivery time. We will provide you with a logistics tracking number immediately after the goods are shipped, so you can check the real-time logistics status at any time.
Any customs duties, import taxes, or other additional fees incurred during the international transportation of goods shall be borne by the buyer. We will provide all necessary documents (such as commercial invoices) required for customs clearance to assist you in completing the customs clearance process smoothly. If you need help with customs clearance-related issues, please contact our customer service.
During the transportation process, if the goods are damaged, lost, or have missing parts due to logistics reasons, please take photos and keep the relevant logistics documents in a timely manner, and contact our customer service immediately. We will verify the situation and provide you with solutions such as return, replacement, or refund according to the actual situation.
Please pay attention to the logistics tracking information. If you find any abnormalities (such as delayed delivery, wrong delivery address, etc.), please contact us in time, and we will coordinate with the logistics company to solve the problem as soon as possible.
Terms Of Sale
If you have any questions about the product, payment, shipping, or other related matters, please contact our customer service in a timely manner. We will respond to you within 24 hours and provide professional solutions to ensure that your problems are properly resolved.
If you do not receive the goods within the expected time, or if you are not satisfied with the received goods (such as product damage, inconsistent specifications, etc.), please do not open a dispute or leave neutral/negative feedback without communication. Contact us first, and we will actively coordinate and solve the problem for you to your satisfaction.
If you receive defective goods (a rare occurrence), please provide clear photos that can show the problem, and we will provide you with a full refund or free replacement according to the actual situation. No additional fees will be charged to you during the process.
Returned & Refund
Your satisfaction is our top priority. All goods are strictly inspected and tested before shipment to ensure that they meet the quality standards.
If you are not satisfied with the goods received, or if the product does not match the description, please contact us first to confirm the return address and logistics method before returning the goods. Do not return the goods without authorization, otherwise, we will not be able to process your return and refund normally.
All returned goods must be in their original condition (without damage, missing parts, or signs of use), and you need to provide the logistics tracking number and a detailed description of the return reason.
The shipping cost for returning the goods shall be borne by the buyer. If the return is caused by our own reasons (such as wrong product, quality problems), we will bear the return shipping cost and provide you with a full refund or free replacement.
If the goods are damaged, lost, or have missing parts due to the buyer’s improper use, storage, or transportation, the buyer shall be responsible for the corresponding losses, and we will not provide a full refund or replacement service.
Feedback
Customer satisfaction is the foundation of our development. Your feedback is very important to us. Whether it is praise, suggestions, or complaints, please feel free to contact us. We will carefully listen to your opinions and continuously optimize our products and services.
If you are satisfied with our products and services, we would appreciate it if you could leave positive feedback. If you have any dissatisfaction, please contact us before leaving neutral or negative feedback—we will do our best to solve the problem and give you a satisfactory reply.
