5. read the voltage, electrical, read the black scale under the bar is located underneath the scale range 0-3, 0-10 is 50 and 0-250 readable value must be associated with a range of preset measurements.
5. Read the voltage. Keep reading scale beneath the black money. Which is listed under third scale range is 0-10, 0-50 and 0-250 reading must be related to the measurement location.
5. Reading the voltage electricity. To read the scale black under the silver bars, which was identified under the scale 3 range, and is 0-10 0-50 0-250 readings to be associated with the measurement range set .