Dual Display Digital Voltmeter
DDVM-40 - HD Electric Company (Textron)
The Double VisionĀ® Dual Display Digital Voltmeter, model DDVM-40, is a compact, high accuracy dual display voltmeter and phasing set with capacitive test point mode and peak hold. Voltage is displayed on the two large, bright LED displays that can easily be read from a distance or in bright conditions. The two LED displays are synchronized so that the same voltage reading is shown on both displays.