Product Overview
The Load Cell 5kg – Straight Bar Weight Sensor is a precision strain-gauge sensor designed for accurate weight measurement in industrial, commercial, and DIY applications. Featuring a robust straight-bar design, this load cell delivers reliable force-to-electrical signal conversion for scales, process control, and automation systems. Its compact form factor, high sensitivity, and compatibility with common amplifiers make it ideal for integration into benchtop scales, packaging machines, and educational projects.
Key Features
- High Accuracy: ±0.05% nonlinearity for precise 0–5kg measurements.
- Sturdy Construction: Alloy steel bar with IP65 protection against dust and moisture.
- Easy Integration: Pre-drilled mounting holes for straightforward installation.
- Wide Compatibility: Works with HX711 and other standard amplifiers.
- Low Power Consumption: 5–12V DC excitation voltage.
- Temperature Compensated: Stable performance from -20°C to +60°C.
- Compliance: RoHS and CE certified for safety and environmental standards.
Technical Specifications
- Capacity: 5kg (11 lbs)
- Output Sensitivity: 1.0–2.0 mV/V
- Nonlinearity: ±0.05% F.S.
- Creep: ±0.05% F.S./30min
- Input Resistance: 350Ω ±3Ω
- Operating Voltage: 5–12V DC
- Zero Balance: ±1% F.S.
- Cable Length: 1m (3.3ft) shielded, 4-wire (Red: +Ex, Black: -Ex, Green: +Sig, White: -Sig)
- Material: Alloy steel with nickel plating
Benefits
- Plug-and-Play: Calibrate quickly with HX711 and Arduino-compatible boards.
- Durability: IP65 rating ensures reliability in harsh environments.
- Cost-Effective: Affordable solution for small to medium-scale weighing systems.
- Low Noise: Shielded cable minimizes signal interference.
- Versatile: Suitable for tension or compression measurements.
Usage Instructions
- Mounting: Secure the load cell to a flat surface using M4 screws.
- Wiring: Connect Red (+Ex) and Black (-Ex) to amplifier power; Green (+Sig) and White (-Sig) to signal input.
- Calibration: Use known weights (e.g., 1kg, 5kg) to calibrate via amplifier software.
- Testing: Verify linearity and repeatability under load.
- Integration: Embed into enclosures, avoiding lateral force on the bar.
Safety & Storage
- Handling: Avoid overloading beyond 5kg to prevent permanent damage.
- Storage: Keep in a dry, low-humidity environment (<60% RH).
- Operational Limits: Do not expose to corrosive chemicals or >60°C temperatures.
- Maintenance: Inspect for physical deformation or cable wear periodically.
Applications
- Precision benchtop and kitchen scales
- Industrial batching and filling systems
- Force measurement in robotics and automation
- Educational STEM projects and prototyping
- Fitness equipment and dynamic weight monitoring
- Agricultural produce grading systems
Why Choose the 5kg Straight Bar Load Cell?
This load cell combines laboratory-grade accuracy with industrial ruggedness, offering unmatched value for engineers and hobbyists. Its simple setup, RoHS compliance, and compatibility with open-source platforms like Arduino streamline development cycles for custom weighing solutions. Whether for production lines or DIY innovations, this sensor ensures repeatable, drift-free performance.
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