Automotive Brake Fluids Quickly Checker ADD7703

?rning:
The four indicators twinkle simultaneously with buzzer sound, it means the battery power is low, and the battery need to be changed.(voltage:9v). Or powered by the automotive battery(12v) through DC input socket(12v)

4.Please clean the probe and reset the instrument after testing.

??All the green light indicate the brake fluid is fine, the water content is below 0.5%
??Yellow light indicates the fluid is not so good, the water content is above 0.5%, you can choose to change brake fluid.
??Red light with buzzer sound indicates the brake fluid is very bad, wate content above 2.5%, the brake force decline seriously, and brake fluid should be changed!

       
  How To Use
1. After cleaning the probe, put it in dry air or immerse it into new brake fluid.
2.Press down the work button for 3-5 seconds continously, and then turn the fine tuning clockwise until the second green indicator lights on, and then turn the fine tuning counter-clockwisely until the green indicator put out. Now it can be used to test brake fluid.
3.Immerse the probe into the brake fluid, and press down the work button for a few seconds, then you can judge the brake fluid state by indicator light.

Overview 
  
  Panel Illustration:
1.Indicator
2.Water content
3.Work button(PUSH ON button)
4.Fine tuning
5. temperature-resisting curve
6. DC input socket
7. Probe

Panel Illustration:
1.Indicator 2.Water content3.Work button(PUSH ON button)
4.Fine tuning5. temperat

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