The working principle of the resistance strain gauge is based on the strain effect produced when a conductor or semiconductor material undergoes mechanical deformation under external forces, causing a corresponding change in resistance value. The strain gauge is attached to the object being measured, allowing it to experience the same strain. As the object bends, the metal foil inside the gauge also bends, resulting in a change in resistance, which can be measured and analyzed. Feature - Color: As shown - Material: Modified phenolic substrate - Size: 3 x 1.5 cm - Operating voltage: 5V - Analog output voltage: 0–3.5V - Board size: 32 x 17 mm - Resistance: 350 Ohm - Fatigue life: >10 million cycles - Flux: Standard solder rosin - Strain limit: 2% - Reverse protection diode - Analog output - Zero adjustment potentiometer - Long fatigue life exceeding 10 million cycles, offering extended durability compared to similar products - Built-in reverse polarity protection diode safeguards connected equipment during accidental reverse connection - Provides direct analog signal output compatible with microcontrollers and data acquisition systems - Note: Lighting conditions and display settings may cause slight variations in color representation. Measurement error allowance: ±1–3 cm Package List 1 x Strain Gauge Bending Detection Test Sensor Module