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
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Sturdy material
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Up to 50kg sensor range
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parallel use to add additional capacity
Specifications
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Dimension (mm): 28*28*8
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Capacity (kg): 50
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Comprehensive error (%F.S): 0.2
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Output sensitivity (mv/v): 1.1±0.15
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Nonlinearity (%F.S): 0.2
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Repeatability (%F.S): 0.1
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Hysteresis (%F.S): 0.2
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Creep (%F.S/3min): 0.1
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Zero Drift (%F.S/1min): 0.1
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Temp. Effect on zero (%F.S/10°C): 0.2
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Temp. Effect on Output (%F.S/10°C): ≤0.15
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Zero Output (mv/V): ±0.3
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Input Resistance (Ω): 1000±50
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Output Resistance (Ω): 1000±50
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Insulation Resistance (MΩ): ≤2000 (100VDC)
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Excitation Voltage (V): 5~10
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Operation Temp. Range (°C): -10~+50
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Overload Capacity (%F.S): 150
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Method of connecting wire : red= Sig + ; black= Exc –; blue= Exc +