Haibo Sensor Foil BF350-AA linear Strain Gauge
The BF350-3AA-23-TO is a high-performance foil strain gauge engineered for design engineers and application technicians who require dependable, accurate strain measurement in demanding environments. Its precision uniaxial sensing capability makes it an ideal, off-the-shelf solution for integrating into load cells, pressure transducers, and force sensors—especially where consistent performance under varying conditions is critical.
Metal foil resistance strain gauges are the core sensing elements of various strain sensors. A foil strain gauge is a thin, flexible sensor that measures strain on an object. It consists of a metallic foil pattern mounted on a backing material. When the object deforms, the foil’s electrical resistance changes proportionally, allowing precise measurement of stress, load, or pressure.
Key Features & Advantages
- Gauge Type: Linear/Signal Alex
- Foil Material
- Operating Temperature Range: -50°C to +200°C.
- Grid Dimensions: The sensitive grid length is typically 3mm x 2mm
- Resistance: 350 Ohms (±0.35%).
The CA strain gauge is a strain gauge designed with 3 linear strain gauges. Unlike BB strain gauges, CA strain gauges are oriented in 45° to help simplify installation in special applications.
Model: HB-BF
Technical parameters of the BF series
Resistance 120/350/1000
Sensitivity coefficient 2.08±1% (A level)
Dispersion scope ±1%
Average output coefficient
Model: HBF-EB
Resistance: 120-2000 (ohm)
Material: Foil
Payment Terms: FOB OR EXW Shenzhen OR GUANGZHOU
4 Lead Wires
The AA strain gauge is a strain gauge designed with for linear strain measurement. Its grid pattern is simple yet versatile and can be made to different lengths to best suit the application
The EB strain gauge is a special strain gauge that incorporates 4 individual strain gauges oriented 90° apart and configured in a full bridge configuration. The full bridge configuration means the strain gauges are pre-wired internally so no additional connections are required. Only 4 terminals are available: 2 for input and 2 for output making it easy to install. Wiring options are available to accommodate different applications.
The GB strain gauge is a strain gauge designed with two strain gauges. Unlike the FB strain gauge series, the GB strain gauges are parallel and are oriented parallel axis set a certain distance apart. Options are available for three or four terminal output.
The FG strain gauge is a strain gauge designed with four individual strain gauges arranged in Wheatstone bridge configuration.
The AB strain gauge is designed for Torsion and Shear applications. This type is in 1/4 Bridge configuration must be paired with other strain gauges for Shear and Torsional strain measurements.
Model: HBBF-AA
Resistance: 120-2000 (ohm)
Material: Foil
TP series semiconductor strain gauges are produced by international current technology, and their performance indexes are superior to domestic similar products. It has a large gauge factor, small mechanical hysteresis, wide resistance range, and a small transverse effect.
This semiconductor type strain gauge is mainly used for measurement of stress distribution, linear compensation of various force measurement sensors, and force-electric conversion components as sensors, widely used in static and dynamic stress measurement of mechanical, architectural, aerospace, medical, railway, and bridge engineering. This product has been declared a patent for invention. We also provide semiconductor strain gauges without base.
Model: HBBF-
Resistance: 120-2000 (ohm)
Material: Foil
Payment Terms: FOB OR EXW Shenzhen OR GUANGZHOU
Five Terminals
The GB strain gauge is a strain gauge designed with two strain gauges. Unlike the FB strain gauge series, the GB strain gauges are parallel and are oriented parallel axis set a certain distance apart. Options are available for three or four terminal output.













