1. Introduction element
Model: BF350-3AA / 1.5AA
Sensitivity factor: 2.0
Strain limit: 2%
Grid wires: Length x width 2x3.5mm
Substrate size: length x width 5x4.5mm
Base material: modified phenolic substrates.
The gate wire material: constantan
Resistance: 350 Ohm
Fatigue life:> 10 million times
Flux: Ordinary solder rosin
Working principle of resistance strain gauge is based on the strain effect produced when a conductor or semiconductor material that is mechanical deformation under the action of external forces, the resistance value of the corresponding changes, a phenomenon known as "strain effect."
The strain gauges attached to the object to be measured so as to be measured strain was bent together, so that the inside of the metal foil as the strain on the bend. Many metal during mechanical bending resistance will change.

2. Product Introduction
Voltage: 5V
~ Reverse protection diode (power to prevent reversed)
Board with a blue LED power indicator
Analog Output
The greater the curvature of the output voltage higher
With zero potentiometer
Potentiometer can adjust the output voltage start
The analog output voltage 0-3.5V
Board size: 32 X 17 Haomi
Board printed on the back pin definitions
(Bending strain gages can change the output voltage)

Q: how to use this principle?
This is the bending sensor
He said the principle is, in terms of the degree of bending is detected, such as the strain gauges attached to the carrier: iron aluminum plastic sheet and then bending the carrier, it will change the strain gauge detects the curve of the output voltage.
Strain gauges can be attached to any object, to detect bending, bending module and then we convert the voltage.

Package includes:

1PCS Strain gauge Bending detection Test Sensor Module Weigh Amplifier Voltage Output NEW