30kg Load Cell Strain Gauge Weight Sensor – DIY Scale Kit

$10.46 $13.53

30kg Bridge Strain Gauge Load Cell Sensor – DIY Weighing Kit

Build accurate, reliable weighing scales and measurement projects with this high-quality 30kg load cell weight sensor. Featuring a compact 3.5cm (1.37 in) threaded body, this strain gauge load cell delivers precise resistance-based weight readings — perfect for electronics hobbyists, makers, and engineers working on custom DIY scale builds, industrial prototypes, or automated measurement systems.

Available in a 1-piece or 4-piece pack, you can select exactly what your project demands. The 4-piece set is ideal for platform scale builds where four sensors are placed at each corner for balanced, accurate readings.

Key Features

Capacity: Up to 30 kg per sensor
Size: 3.5 cm / 1.37 in with threaded mounting hole
Material: Durable metal construction
Color: Silver
Type: Bridge resistance strain gauge load cell
Compatible: Works with HX711 amplifier modules and most microcontrollers (Arduino, Raspberry Pi, etc.)
No battery required
100% brand new and quality-tested

Specifications

Rated Capacity: 30 kg
Body Length: 3.5 cm (1.37 in)
Material: Metal (Silver finish)
Mounting: Threaded hole for secure, stable installation
Package Options: 1 PCS or 4 PCS

What's in the Box?

1 or 4 × 30kg Load Cell Strain Gauge Weight Sensor (as selected)

Made in Mainland China.

Important Notes

Photos may not reflect the actual size — please refer to the listed dimensions.
Allow ±5–10 mm tolerance due to manual measurement.
Actual color may vary slightly from screen to screen.

Frequently Asked Questions

Q: What is a 30kg load cell strain gauge sensor used for?

A: A 30kg load cell strain gauge sensor is used to measure weight or force in DIY weighing scales, industrial measurement systems, kitchen scales, postal scales, and electronic engineering projects. It converts applied force into an electrical resistance signal that can be read by a microcontroller or amplifier module such as the HX711.

Q: Can I use this load cell sensor with an Arduino or Raspberry Pi?

A: Yes! This load cell is fully compatible with popular microcontrollers including Arduino and Raspberry Pi when paired with an HX711 amplifier module (sold separately). It's a popular choice for student electronics projects, maker labs, and custom scale builds.

Q: Why do I need 4 sensors for a platform scale?

A: When building a flat platform scale (like a floor or body scale), one sensor is placed under each corner of the platform. This 4-point configuration ensures the load is measured evenly across the surface, giving you more accurate and stable readings regardless of where the weight is placed on the platform.

Q: What is the maximum weight capacity of each sensor?

A: Each individual sensor has a rated capacity of 30 kg. In a 4-sensor platform configuration wired in a Wheatstone bridge arrangement, the combined system can typically handle up to 120 kg, depending on your amplifier and calibration setup.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.