LC-A Load Cell Amplifier Calibration: A Step-by-Step Tutorial

In this video, we show you how to connect, configure, and calibrate the LCS LC-A Load Cell Amplifier used in weighing, load testing, overload protection, and tension measurement systems.
This step-by-step tutorial covers wiring, zero setting, span adjustment, and output verification for 4–20 mA .

Whether you are a beginner or an experienced technician, this guide will help you achieve accurate and stable measurements from your load cell and amplifier setup.

🧰 Required Tools & Equipment
LC-A Load Cell Amplifier
Load cell / strain gauge sensor
24V DC power supply
Multimeter (mA mode)
Known calibration weights
Screwdriver for terminal connections

⚙️ Calibration Procedure Overview
1. Wiring Setup
Connect load cell: EX+, EX–, SIG+, SIG–
Connect 24V DC power: V+, V–
Connect output: 4–20 mA

2. Zero Adjustment
Remove all load
Adjust ZERO potentiometer
Set output to 4.00 mA

3. Span Adjustment
Apply known test weight
Adjust SPAN potentiometer
Set output to 20.00 mA

4. Linearity Check
Test with multiple weight points
Ensure proportional output change
Fine-tune if required

📌 Applications of LC-A Load Cell Amplifier
Industrial weighing
Load testing & monitoring
Overload protection systems
Tension measurement
General-purpose weighing systems

📞 Contact & Support
LCS Controls Pvt Ltd
📍 34 & 35, First Link Street, Nehru Nagar,
Off Rajiv Gandhi Salai, Kottivakkam,
Chennai – 600041, India

📧 Email: [email protected] | [email protected]
🌐 Website: www.lcscon.com
📱 Contact: +91 73387 45557 | +91 80560 59783