20Kg Load Cell

Overview

The 20Kg Load Cell is a weight/force sensor that measures loads up to 20 kilograms.

It is widely used in:

• Digital weighing scales

• Force measurement systems

• Industrial automation

• Smart IoT weighing projects

Working Principle

The load cell works using the concept of Strain Gauge:

• Inside metal beam with strain gauges

• When weight is applied beam deforms slightly

• This changes electrical resistance

• Output very small voltage signal (mV range)

Requires an amplifier like HX711 to read values

Infographic Summary

el Measures: Weight/Force Capacity: Up to 20Kg Output: mV signal Type: Wheatstone Bridge Tech: Strain Gauge Needs: HX711 Amplifier

Wire Configuration

20Kg Load Cell Red VCC (E+) Black GND (E) White Signal (A) Green Signal + (A+)

Connect to HX711 module, then to microcontroller

Key Specifications

• Capacity: 20 Kg

• Output: 12 mV/V

• Configuration: Wheatstone Bridge

• Accuracy: High (after calibration)

• Low power consumption

• Material: Aluminum alloy

Key Features

• Accurate weight measurement

• Compact and durable

• Low noise output

• High sensitivity

• Easy integration with HX711

Applications

• Electronic weighing machines

• Smart shopping carts

• Robotics force sensing

• Industrial automation

• Inventory weight monitoring

• Kitchen scales

Interfacing

Works with:

• Arduino

• ESP32 / ESP8266

• Raspberry Pi

Flow:Load Cell HX711 Microcontroller

Working Flow

• Weight applied

• Load cell deforms

• Resistance changes

• HX711 amplifies signal

• Microcontroller reads weight

Important Notes

• Cannot connect directly to Arduino (signal too small)

• Needs calibration for accurate readings

• Avoid overload beyond 20Kg

• Must be mounted properly for correct measurement

Load Cell vs Pressure Sensor

Flccuracy

Mount on a stable surface

Use multiple load cells for large platforms

Perfect for building your own digital weighing machine