TESTBOY 50 Bedienungsanleitung Seite 4

English
The brake fluid tester has been designed and certified according to the IEC/EN 61010-1 safety standard for
electronic measuring and testing instruments of pollution level 2.
As a digital brake fluid tester, the test probe is suitable for determining
been developed for professional use in automotive repair shops and in servicing. The tested quality is
indicated by means of five LEDs in terms of "per cent of water in the brake fluid".
Self-test:
Hold the probe tip in water and press the test button. All LED should light up.
Brake liquid test:
Unscrew the lid of the brake liquid reservoir, and remove the cap from the test probe. Dip the test probe
into the brake fluid as far as the plastic rim. To check quality of the fluid, keep the button pressed for at
least 2 seconds while simultaneously
IMPORTANT
Wash the test probe with tap water immediately after use, then dry and replace the cap. Ensure that no
brake fluid remains on the test probe or the device.
LED indication:
Green:
Green/yellow:
Green/yellow/yellow:
Green/yellow/yellow/red:
Green/ Yellow/yellow/red/red:
If the brake fluid comes into contact with your skin or clothes, wash thoroughly
water. Do not expose brake fluid to the atmosphere for a long period of time, because it is very hygroscopic!
Changing the battery
Carefully lever the battery cover using a small screwdriver. Replace the used battery with an original
replacement battery only. Take attention to the right polarity!
Operating Instructions
reading the result indicated by the LEDs.
Battery 0K, no water in the brake fluid
Less than
Approx. 2 % water content in brake fluid
Approx. 3 % water content in brake fluid.
The brake fluid should be changed.
At least 4 % water
The brake fluid must be changed urgently!
Safety risk!
4
brake fluid quality (DOT4). It has
1 % water content in brake
content in brake
with copious amounts of
fluid
fluid