Brake fluid tester pen

Description

Quick and easy method to accurately gauge the moisture content of all types of brake fluid. Press the button , Insert the tester into reservoir ,Only takes seconds to know the results by LEDs,very easy to use.In order to save power,this test pen has the automatic shutdown function. It will automatically turn off the power to save power 20 seconds after starting up every time. Calibrated for cars using DOT4 and DOT3 brake fluids.

Usage

1. Turn on the brake fluid tester by pressing the button on top. A green light should light up. If the light does not come on, it may be time to change a battery
   
2. Unscrew the lid for the brake fluid reservoir, and take off the cap for the brake fluid tester
   
3. Dip the test probes into the brake fluid and the LED lights will indicate the percentage of water in the brake fluid
   
4. After testing, remember to screw the lid of the brake fluid reservoir back on tightly
   
5. The tester will automatically power off after 12 seconds of inactivity

Guide

• Green: No water
  
• Green/Yellow: Less than 1% water
  
• Green /Yellow/Yellow: Approx. 2% water
  
• Green/Yellow/Yellow/Red: Approx. 3% (Brake fluid should be changed)
  
• Green/Yellow/Yellow/Red/Red: Approx. 4% (Brake fluid must be changed urgently)