It also measures the freezing threshold for ethylene glycol or propylene glycol in a cooling system, freezing cleaning fluid measurement and density of the electrolyte in the battery. Graph is equipped with a clear viewfinder to facilitate easy and convenient to read the result. The measurement can be performed on the day and artificial light.
Easy usage, just pick up the enclosed dropper drop of the liquid and place the drop it on the prism unit. In the optical eyepiece immediately read on one of the three scales that value.
