This is a half-bridge load sensor, which is widely used in weight scales. When the half-bridge is being stretched, it sends signal via the red signal wire. You can use multiple load sensors simultaneously to increase the capacity range. Features * Sturdy material * Up to 50kg sensor range * parallel use to add additional capacity Specifications * Dimension (mm): 28*28*8 * Capacity (kg): 50 * Comprehensive error (%F.S): 0.2 * Output sensitivity (mv/v): 1.1±0.15 * Nonlinearity (%F.S): 0.2 * Repeatability (%F.S): 0.1 * Hysteresis (%F.S): 0.2 * Creep (%F.S/3min): 0.1 * Zero Drift (%F.S/1min): 0.1 * Temp. Effect on zero (%F.S/10°C): 0.2 * Temp. Effect on Output (%F.S/10°C): ≤0.15 * Zero Output (mv/V): ±0.3 * Input Resistance (Ω): 1000±50 * Output Resistance (Ω): 1000±50 * Insulation Resistance (MΩ): ≤2000 (100VDC) * Excitation Voltage (V): 5~10 * Operation Temp. Range (°C): -10~+50 * Overload Capacity (%F.S): 150 * Method of connecting wire : red= Sig + ; white= Exc –; blue= Exc + https://elecena.pl/product/4367300/load-sensor-tensometr 2013-08-01 https://elecena.pl/product/4367300/load-sensor-tensometr 2013-10-23 https://elecena.pl/product/4367300/load-sensor-tensometr 2014-12-18 https://elecena.pl/product/4367300/load-sensor-tensometr 2015-09-07 https://elecena.pl/product/4367300/load-sensor-tensometr 2015-11-24 https://elecena.pl/product/4367300/load-sensor-tensometr 2016-05-30 https://elecena.pl/product/4367300/load-sensor-tensometr 2016-06-02