🔹 2pcs BF350-3AA Precision Strain Gauge – Resistive Foil Strain Sensor (350Ω)
The BF350-3AA is a high-precision resistive strain gauge made from constantan foil on a modified phenolic backing. It’s designed to measure minute mechanical deformations in load cells, pressure sensors, and structural testing applications. With excellent temperature self-compensation and long fatigue life, it’s ideal for 0.02-level sensor designs where accuracy and stability are critical .
✅ Specifications:
Resistance: 350Ω ±0.1%
Sensitivity Coefficient: 2.0 – 2.2 (±1% dispersion)
Strain Limit: 2.0%
Grid Size: 3.2mm x 3.1mm
Base Size: 7.1mm x 4.5mm
Grid Material: Constantan (copper-nickel alloy)
Backing Material: Modified phenolic
Fatigue Life: ≥1,000,000 cycles
Temperature Range: -30°C to +80°C
Temperature Compensation: 9, 11, 16, 23, 27 (selectable for different materials)
📦 Features:
✔️ High accuracy – suitable for 0.02 level sensors
✔️ Fully enclosed structure for reliable data transmission
✔️ Automatic temperature and creep compensation
✔️ Excellent long-term stability
✔️ Low transverse sensitivity effect
✔️ Average resistance tolerance ≤ ±0.1%
📦 Applications:
✔️ Load cells and weighing sensors
✔️ Pressure and force transducers
✔️ Strain measurement in mechanical structures
✔️ Aerospace and automotive testing
✔️ Civil engineering and structural health monitoring
✔️ DIY electronics and maker projects
🔖 Tags:
Reviews
There are no reviews yet.