For D. C. measurements, any single range, 0-25, 50, 100, 150, 250, 500mV. The ranges covered are 0 – 1 mV to 0 – 1000 mV.

For D. C. use only, with a permanent magnet, spring-controlled movement, jeweled bearings, hard polished pivots, and knife edge pointer. Each meter is mounted on a plastic/acrylic stand with color-coded terminals.