Abstract: Among various types of strain-measurement sensors, the form of double cantilever beam is not in common use. In this paper, the double cantileverbeam structure is analyzed, a type of strain sensor based on the doublecantilever beam is developed, using the nearly translational movementat the end of the beam under a small displacement.The comparative test result between this sensor and the stain gaugeshows that the maximum error is less than 1.7%. This type of sensorcan be used extensively in strain-measurement for variousstructures.