Sealey VS0272 Pocket Brake Fluid Tester

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Electrolytic tester. Integrated circuitry checks moisture content of fluid by measuring the electrical resistance and comparing it with acceptable limits. Easy calibration check us ing water. Three LED read-out. Just switch on and insert probe for immediate result. Red LED warns when battery is low and needs replacing. Powered by one AAA battery (supplied). Specification Electrolytic tester. Integrated circuitry checks moisture content of fluid by measuring the electrical resistance and comparing it with acceptable limits. Easy calibration check using water. LED warns when battery is low. Powered by one AAA battery (supplied). Model No. VS0272 Show more