True RMS Digital Multimeter
 
 
 
Product Description:
    This unit is a true-RMS digital multimeter with voltage, current, resistance, capacitance, hFE, diode, and continuity measurements.
Designed at:
    Tandy Electronics Design
Sold at:
    Radio Shack as 22-181A
Credits:
    Hardware - Jerry Heep
    Software - Doug Deeds
    Mechanics - Morris Humphreys