The Load Cell 4 Pin is the most commonly used configuration in strain gauge load cells. With four essential wires – excitation, signal, positive, and negative – this setup is widely applied in weighing scales, automation systems, and industrial weighing platforms. This article will break down what a 4-pin load cell is, how it works, wiring connections, and practical applications.

What is a Load Cell 4 Pin?

A Load Cell 4 Pin is a force transducer that uses four wires for operation:

1. Excitation+ (E+) – Power supply positive

2. Excitation– (E–) – Power supply negative

3. Signal+ (S+) – Output positive signal

4. Signal– (S–) – Output negative signal

These wires form a Wheatstone bridge circuit, where strain gauges convert applied force into a measurable electrical output.

👉 Reliable products can be found at Load Cell Solutions or Load Cell Shop.

Load Cell 4 Pin Wiring Diagram

When wiring a 4-pin load cell:

• Red Wire (E+) → Connect to +Excitation (Power +)

• Black Wire (E–) → Connect to –Excitation (Power –)

• Green Wire (S+) → Connect to +Signal (Output +)

• White Wire (S–) → Connect to –Signal (Output –)

This wiring ensures accurate signal transmission from the load cell to an amplifier, indicator, or controller.

🔗 Internal reference: Read our detailed guide on Load Cell Junction Box Wiring to understand how multiple load cells connect.

Features of a Load Cell 4 Pin

• ✅ Simple wiring and integration

• ✅ Standard for analog output load cells

• ✅ Compatible with HX711, Arduino, and controllers

• ✅ Cost-effective and widely available

• ✅ Suitable for most weighing systems

Applications of Load Cell 4 Pin

The 4-pin load cell is versatile and can be used in:

• Weighing Scales – Tabletop, floor, and platform scales

• Tank & Silo Weighing – For material measurement

• Industrial Automation – Force measurement in production lines

• DIY Projects – Arduino, Raspberry Pi, and microcontroller setups

• Cranes and Hoists – Load monitoring for safety

👉 If you’re exploring DIY use cases, our Load Cell and Arduino Guide will help you get started.

Load Cell 4 Pin Price

The price of a 4-pin load cell depends on its capacity, brand, and material.

• In India, prices range from ₹500 to ₹3,500 for low-capacity models (10 kg – 200 kg).

• High-capacity models (500 kg – 5 ton) range between ₹6,000 – ₹15,000.

• In Australia, typical prices are AUD $60 – $250 depending on supplier.

📌 For bulk purchase or custom applications, you can always Request a Quote from Sensors and Gauges.

Why Buy from Sensors and Gauges?

At Sensors and Gauges, we provide high-quality load cells with 4-pin, 6-pin, and digital configurations.

• 🔹 Wide capacity range (0.5 kg to 100 tons)

• 🔹 Guaranteed accuracy and durability

• 🔹 Expert technical support

• 🔹 Fast delivery worldwide

📍 Location: Unit 27/191, McCredie Road, Smithfield, NSW 2164
📞 Support: 0477 123 699
📧 Email: sales@sandsindustries.com.au

Smart Tip 💡

“When wiring a Load Cell 4 Pin, always check polarity and connection labels. Incorrect wiring can cause inaccurate readings or even damage the sensor.”

Conclusion

The Load Cell 4 Pin is the industry standard for weighing systems, offering simplicity, reliability, and compatibility. Whether you’re setting up an industrial-scale system or working on a DIY electronics project, understanding the wiring and applications of a 4-pin load cell ensures accurate results.

👉 Explore options at Load Cell Solutions, Load Cell Shop, or connect with Sensors and Gauges for the best pricing and support.