Voltcraft 70004 lcd panel meter and measurement range adaptors voltcraft re395g the voltcraft 2a dc panel meter adaptor extends the measurement capabilities of the voltcraft 70004 51 5177 digital panel meter it simply plugs onto the panel meter and the supply and measurement leads are connected using screw terminals the adaptor is equipped with a voltage regulator to power the display and highly accurate resistors for each measurement range the decimal point is automatically set correct