features and benefits:
- test urea concentrate of diesel exhaust fluid
- if mixture is 0.7% off, mfg suggest replacing the def and identifying the problem
- temperature compensating discs test def hot or cold
- tester is a cost effective tool to test def
- if def is not tested, it will cause harm to the vehicle
if the def concentrate is not correct, injectors may become clogged and the def will not work properly.