Load Cell - 50kg / 110lbs

This load sensor, sometimes called a strain gauge, is the same one found in digital bathroom scales. This sensor can measure up to about 50 kilograms / 110 pounds.

You can create a platform with one on each corner to measure up to 200kg.

Recommended amplifier: HX711.

Specifications

• Maximum Rating: 50kg
• Working Temperature: 0 to 50C
• Overload Capacity: 150%
• Output Sensitivity: 1.0 +/- 0.1 mv/v 

Datasheet: https://www.makerfabs.com/desfile/files/Load%20Cell-50kg.pdf