BF350-3AA Strain Gauge

The BF350-3AA Strain Gauge is a precision metal foil resistance sensor used for detecting strain, pressure, bending, and mechanical deformation in structures and mechanical systems. It is manufactured using constantan alloy metal foil mounted on a modified phenolic substrate, providing reliable electrical performance and strong environmental stability. The sensor features excellent temperature compensation and self-compensating creep characteristics, ensuring stable and accurate measurements under varying environmental conditions. Its high sensitivity and compact size make it ideal for integration into load cells, force sensors, structural analysis systems, and laboratory testing equipment. With a nominal resistance of 350? , the BF350-3AA is commonly used in precision sensing circuits and Wheatstone bridge configurations for accurate strain measurement in industrial, educational, and research applications. Specifications Product Name: BF350-3AA Strain Gauge Sensor Type: Metal Foil Resistance Strain Gauge Material: Constantan Metal Foil Substrate Type: Modified Phenolic Substrate Resistance: 350? ±0.1? Sensitivity Coefficient: 2.0 – 2.20 Accuracy Rating: 2.11% ±1% Maximum Strain Limit: 2.0% Sensor Size: 7.4 × 4.4 mm Sensitive Grid Dimensions: 3.2 × 1.6 mm Operating Temperature Range: -30°C to +80°C Temperature Compensation: Supported Self-Compensating Creep: Yes Applications Load cells Force measurement systems Structural deformation monitoring Pressure sensing systems Industrial measurement equipment Mechanical stress analysis Robotics sensing systems Arduino and microcontroller projects Laboratory experiments Engineering research applications