The simulator demonstrates how a strain gauge's real, calculable resistance change unbalances a Wheatstone bridge to produce a proportional output voltage, and how adding active gauges in half-bridge and full-bridge arrangements improves both sensitivity and rejection of temperature drift.
Select a bridge configuration (quarter, half, or full), apply simulated strain with the slider, and watch the bridge arms, output voltage, and computed strain update in real time. Toggle a simulated temperature change to see how each configuration handles thermal drift differently, and use the balance control to zero the bridge before loading.
Bridge configuration selector (quarter, half, full), strain magnitude slider, simulated temperature drift toggle, excitation voltage control, and a bridge balance (zero) button, with live readouts of arm resistances, output voltage, and computed strain.
A full-bridge configuration with four active gauges can produce roughly four times the output voltage of a single-gauge quarter-bridge for the exact same applied strain, while also giving the strongest built-in cancellation of temperature-induced errors, which is why precision load cells almost always use a full-bridge design.
The simulator demonstrates how a strain gauge's real, calculable resistance change unbalances a Wheatstone bridge to produce a proportional output voltage, and how adding active gauges in half-bridge and full-bridge arrangements improves both sensitivity and rejection of temperature drift.
The simulator demonstrates how a strain gauge's real, calculable resistance change unbalances a Wheatstone bridge to produce a proportional output voltage, and how adding active gauges in half-bridge and full-bridge arrangements improves both sensitivity and rejection of temperature drift.
Select a bridge configuration (quarter, half, or full), apply simulated strain with the slider, and watch the bridge arms, output voltage, and computed strain update in real time. Toggle a simulated temperature change to see how each configuration handles thermal drift differently, and use the balance control to zero the bridge before loading.
A full-bridge configuration with four active gauges can produce roughly four times the output voltage of a single-gauge quarter-bridge for the exact same applied strain, while also giving the strongest built-in cancellation of temperature-induced errors, which is why precision load cells almost always use a full-bridge design.