Designed
to keep racing safe and legal, Digatron's fuel tester
is the best deal on the market. It is a small, easy
to use fuel indicator that performs two tests to detect
the addition of oxidizers to fuel. In addition the DT-47FTD
performs a temperature reading for consistency. If an
additve is indicated on the DT-47FTD the additionally
supplied hydrometer can be used to verify the results.