1 Kg HX711 Load Cell – Weight sensor
KSh 380.00
Only 2 left in stock
1KG Load Cell with HX711 Amplifier
A 1KG load cell paired with an HX711 amplifier is a common combination for precise weight measurement applications, especially for smaller scales and projects.1
Load Cell Specifications:
- Capacity: 1KG2
- Output Sensitivity: Typically around 2mV/V (can vary)
- Non-Linearity: ±0.05% F.S.
- Hysteresis: ±0.02% F.S.3
- Creep: ±0.02% F.S./10min
- Temperature Effect on Zero Balance: ±0.02% F.S./°C
- Temperature Effect on Sensitivity: ±0.02% F.S./°C
HX711 Amplifier Specifications:
- Supply Voltage: 2.7V to 5.5V
- Input Voltage Range: ±20mV
- Resolution: 24-bit4
- Output Data Rate: Up to 80SPS5
- Power Consumption: Typically less than 1mA
- Operating Temperature: -20°C to +85°C6
How it Works:
- Load Application: When a weight is applied to the load cell, it deforms, causing a change in its electrical resistance.7
- Signal Generation: This change in resistance generates a small analog voltage signal.8
- Amplification: The HX711 amplifies this weak signal to a level suitable for accurate measurement.
- Analog-to-Digital Conversion: The amplified signal is converted into a digital value by the HX711’s high-precision ADC.9
- Data Output: The digital output can be read by a microcontroller or other digital devices through the serial interface.10
Common Applications:
- Miniature Scales: For weighing small objects like jewelry or components.
- Portable Scales: Compact scales for on-the-go measurements.
- Robotics: Weight sensing for robotic arms and grippers
- IoT Devices: Smart agriculture, smart homes
Key Considerations:
- Calibration: Proper calibration is essential for accurate measurements.
- Noise Reduction: Shielding the load cell and using proper wiring techniques can minimize noise.
- Power Supply: Ensure a stable power supply to the HX711 for reliable operation.
- Environmental Factors: Temperature and humidity can affect the load cell’s performance, so consider environmental compensation if necessary.11
By carefully selecting the right load cell and HX711 combination and following best practices, you can build accurate and reliable weight measurement systems for various applications.
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