Volt Ratio BOX

Voltage Dials : For extending the range of Ranges : 1.5, 15, 30, 150, crompton Potentiometer, 300, 750 V. provided with a number of Resistance : 37,500 ohms. tapping points giving multiples Accuracy : +0.02% of 1.5V. Ist Dial 6×250mV = 1500mV 2nd Dial 500 divisions(slide wire) = 250mV Total = 1750mV • Each Slide wire division is equal to 1/2 millivolt or 500 microvolts. • Coarse and fine rheostats are provided.