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Home / Computer Hardware, Monitors & Peripherals / High-Precision Full-Bridge Strain Gauge Sensor Module for Pressure, Bending Stress, and Deformation, Reinforcing Bar Resistor Type BF350

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Resistance Value 350 Ohms
Gauge Factor 2.0 ± 1%
Operating Temperature -30°C to +80°C
Grid Material Constantan Foil
Bridge Configuration Full Bridge
Grid Dimensions 3.0 x 3.0 mm
Carrier Material Phenolic Resin
Accuracy Class Class A
Lead Wire Length 1.5 meters
Package Quantity 5 Units

5 reviews

A

Anonymous

Mar 25, 2026

Rating: 5/5

Reliable Industrial Sensor

We deployed these on structural beams for monitoring. No drift observed over several weeks of continuous operation. Very satisfied.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Excellent Value

Much cheaper than competitors with same specs. The quality feels solid and the packaging protected the sensitive components well.

A

Anonymous

Mar 14, 2026

Rating: 5/5

High Accuracy for Load Cells

Used these for a custom scale project. The output is very stable and consistent across all units. Highly recommended for precision work.

A

Anonymous

Feb 19, 2026

Rating: 4/5

Good for Educational Use

Great for university labs. Soldering requires care due to the small size, but performance meets expectations for stress analysis tasks.

A

Anonymous

Jan 25, 2026

Rating: 4/5

Solid Performance

Works well with HX711 module. Packaging was secure. Took off one star because the wires could be a bit more flexible.

5 FAQ

Q: Does it work with Arduino boards?

A: Yes, when paired with an appropriate amplifier module like the HX711.

Q: How do I calibrate the system?

A: Use known weights or forces and adjust the gain factor in your software code.

Q: What is the maximum strain limit?

A: Typically rated up to 20000 microstrain for safe operation.

Q: Is this sensor waterproof?

A: No, please apply a protective coating if using in humid or wet environments.

Q: What voltage should I use for excitation?

A: Recommended 5V to 10V DC excitation voltage for optimal performance.

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