Weight Sensor 50 kg - Loadcell
For general purposes, yzc-1b model weight with 50kg capacity that you can use in your Arduino or Raspberry Pi projects is the sensor. It can use more than one sensor to increase its capacity. HX711 Weighing Sensor with Arduino can be used easily.
To see the types of weight sensors, click.

 
Technical Specifications:
- Capacity : 50kg
- Margin of error: 0.2%
- Data precision: 2.0±0.15 mv/v
- Linearity margin of error: 0.2%
- Repeatability: 0.1%
- Accuracy: 0.2% 
- Spread (%F.S/3min): 0.1
- Zero Drift (%F.S/1min): 0.1
- Input Resistance: 1000±50
- Output Resistance: 1000±50
- Trigger Voltage (V): 5~10
- Dimensions: 130x30x22mm