BF350 350Ω Resistance Strain Gauge
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Prices updated: 13 Oct 2026
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About this product
A 350 Ω resistance strain gauge from the BF series, used to measure strain in load cells, pressure sensors, and weighing systems. The listing gives a gauge factor of 2.00 to 2.20, a strain limit of 2.0%, and a fatigue life of at least 1 million cycles. Strain gauges change resistance very slightly, so they are read through a bridge circuit and amplifier.
Specifications
- Resistance
- 350 Ω
- Sensitivity coefficient (gauge factor)
- 2.00-2.20
- Strain limit
- 2.0%
- Fatigue life
- ≥1,000,000 cycles
Frequently asked questions
How is a strain gauge read in a circuit?
Because the resistance change is very small, strain gauges are normally placed in a Wheatstone bridge and the small voltage difference is amplified with an instrumentation amplifier or a dedicated bridge ADC.
Can I use it with an HX711 module?
The HX711 is a 24-bit ADC commonly used with bridge sensors such as load cells. It can be used with a strain gauge bridge, but you need to build the bridge and check the wiring and the excitation voltage against your setup.
