GDM-300 / GDM-400 Description
The GDM-300/400 Series Hand Held DMM are a compact, high precision,
battery operated multimeter series designed to meet most of the daily needs for design engineers as well as
service engineers. The GDM-300/400 series design is driven by mobile-oriented features, such as automatic power
down to preserve battery life, a large backlight display for crisp viewing, a rotary selector switch and clear-cut
push buttons to ease operation. The basic functions match the depth of bench-top multimeters: fuse-protected
current input, true RMS for accurate AC measurements, Auto ranging, Duty cycle, and Relative mode. These compact,
reliable, and economical devices are ideal for any engineer.
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