Views: 222 Author: Leah Publish Time: 2025-01-15 Origin: Site
Content Menu
● Specifications of the Degraw 40 kg Tension Load Cell
● How Does the Degraw 40 kg Tension Load Cell Work?
● Applications of the Degraw 40 kg Tension Load Cell
● Calibration of the Degraw 40 kg Tension Load Cell
● Troubleshooting Common Issues with Load Cells
● Advanced Calibration Techniques
● Real-world Applications and Projects Using Degraw Load Cells
>> Project Example: Building a Digital Tension Scale
● FAQs
>> 1. What is the maximum capacity of a Degraw 40 kg tension load cell?
>> 2. How do I connect my Degraw load cell to an Arduino?
>> 3. What is required for calibrating a Degraw load cell?
>> 4. Can I use multiple Degraw load cells together?
>> 5. What types of applications can benefit from using a Degraw load cell?
The Degraw 40 kg tension load cell is a highly versatile and reliable device used in various applications, primarily for measuring tension forces. This article will explore the specifications, working principles, applications, and calibration methods associated with this load cell, while also addressing common questions and concerns.
Load cells are transducers that convert force into an electrical signal. They are widely used in weighing scales, industrial applications, and various engineering fields. The Degraw 40 kg tension load cell operates based on the principle of strain gauges, which detect deformation in response to applied forces.
- Maximum Capacity: 40 kg (88 lb)
- Excitation Voltage: 5-12V DC
- Nonlinearity: 0.017% of full scale
- Creep (30 min): 0.015% of full scale
- Dimensions: Compact design suitable for various installations
The operation of the Degraw load cell is rooted in its construction. It typically consists of a metal body with strain gauges bonded to it. When a force is applied, the metal deforms slightly, causing the resistance of the strain gauges to change. This change is proportional to the applied force and can be measured as an electrical signal.
To connect the Degraw load cell to an amplifier like the HX711, follow this wiring configuration:
- Red wire: Excitation (+)
- Black wire: Excitation (-)
- Green wire: Output (+)
- White wire: Output (-)
The versatility of the Degraw load cell allows it to be used in various applications:
- Weighing Scales: Ideal for creating digital scales that require accurate weight measurements.
- Industrial Automation: Used in machinery to monitor tension forces during operations.
- Research and Development: Commonly found in laboratories for experiments requiring precise force measurements.
Calibration is essential for ensuring accurate measurements. Here's a step-by-step guide on how to calibrate your load cell:
1. Setup: Connect the load cell to an HX711 amplifier and an Arduino board.
2. Initial Calibration:
- Upload a calibration sketch to your Arduino.
- Remove all weights from the scale.
- Place known weights on the scale and adjust the calibration factor until readings are accurate.
3. Final Testing: After calibration, test with various weights to ensure accuracy across the load range.
Despite their reliability, users may encounter issues with load cells that can affect performance. Here are some common problems and solutions:
- Zero Balance Issues: If your readings are not returning to zero when no load is applied, check for any pre-loads or interference from surrounding components.
- Non-linear Readings: If you notice non-linear outputs, it may be due to improper wiring or insufficient excitation voltage. Ensure that your connections are secure and that you are using a stable power supply.
- Output Does Not Change with Load: This could indicate physical damage to strain gauges or excessive pre-loads restricting movement. Inspect for any visible damage or wiring issues.
For high precision applications, advanced calibration techniques such as multi-point calibration may be necessary:
1. Perform a five-point calibration by applying loads at 0%, 20%, 40%, 60%, 80%, and 100% of the maximum capacity.
2. Record output at each point and apply statistical methods (like least-squares regression) to determine sensitivity and zero offset accurately[1].
The Degraw 40 kg tension load cell has been utilized in various innovative projects:
- A digital tension sensor was developed for rowing machines, enabling real-time monitoring of strap tension during rehabilitation exercises.
- In industrial settings, these load cells have been integrated into automated systems for monitoring material handling processes, ensuring safety and efficiency.
A DIY project involving an Arduino board, HX711 amplifier, and a Degraw load cell can yield a custom digital tension scale. Here's a brief overview of how it can be done:
1. Gather materials including:
- Arduino Uno
- HX711 amplifier
- Degraw 40 kg tension load cell
- Jumper wires
2. Connect components following standard wiring diagrams.
3. Upload calibration sketches from resources like GitHub or Instructables.
4. Test by applying known weights and adjusting calibration factors accordingly.
5. Use software like Processing or Python to visualize data in real-time[3][4].
The Degraw 40 kg tension load cell is a powerful tool for measuring tension forces with high accuracy. Its design allows for easy integration into various systems, making it suitable for both industrial and research applications. Proper calibration ensures optimal performance, making it an essential component in many engineering projects.
The maximum capacity is 40 kg (88 lb), which makes it suitable for a wide range of applications.
Connect the red wire to excitation (+), black wire to excitation (-), green wire to output (+), and white wire to output (-).
You will need known weights for calibration, an HX711 amplifier, and an Arduino board to upload calibration sketches.
Yes, multiple load cells can be used in parallel or series configurations depending on your application needs.
They are commonly used in weighing scales, industrial automation systems, and research laboratories requiring precise force measurements.
[1] https://www.futek.com/load-cell-accuracy
[2] https://fsel.engr.utexas.edu/images/resources-pdfs/FSEL-Load-Cell-Calibration-Procedure-Rev-00.pdf
[3] https://www.fpaynter.com/2018/10/digital-tension-scale/
[4] https://www.instructables.com/Arduino-Tension-Scale-With-40-Kg-Luggage-Load-Cell/
[5] https://www.smdsensors.com/load-cell-troubleshooting-guide/
[6] https://www.instructables.com/Arduino-Bathroom-Scale-With-50-Kg-Load-Cells-and-H/
[7] https://www.phidgets.com/docs/Calibrating_Load_Cells
[8] https://www.desertcart.sg/products/82039474-degraw-40-kg-tension-load-cell-and-hx711-combo-pack-kit-load-cell-amplifier-adc-weight-sensor-for-arduino-scale-everything-needed-for-accurate-force-measurement
[9] https://www.apecusa.com/blog/why-is-my-load-cell-inaccurate-11-problems-and-solutions-for-troubleshooting-load-cells/
[10] https://www.omega.com/en-us/resources/load-cell-calibration
[11] https://forum.arduino.cc/t/using-s-type-load-cell-to-measure-pull-tensions/674180
[12] https://learn.sparkfun.com/tutorials/getting-started-with-load-cells/all
[13] https://www.youtube.com/watch?v=6gU5L35xh6g
[14] https://www.instructables.com/member/DegrawSt/
[15] https://www.instructables.com/Arduino-Scale-With-5kg-Load-Cell-and-HX711-Amplifi/
[16] https://how2electronics.com/weighing-scale-40kg-load-cell-hx711-arduino/
[17] https://vigyanashram.online/pradeep/assigment/A-10.html
[18] https://www.800loadcel.com/white-papers/testing-a-load-cell-with-a-multimeter.html
[19] https://robocraze.com/products/40kg-load-cell
[20] https://www.youtube.com/watch?v=HHxm5ai9PUo
[21] https://www.interfaceforce.com/product-category/load-cells/low-profile-load-cells/
[22] https://www.ricelake.com/resources/articles/advanced-load-cell-troubleshooting/
[23] https://www.desertcart.tn/products/82039474-degraw-40-kg-tension-load-cell-and-hx-711-combo-pack-kit-load-cell-amplifier-adc-weight-sensor-for-arduino-scale-everything-needed-for-accurate-force-measurement
[24] https://www.800loadcel.com/blog/a-step-by-step-guide-to-shunt-calibration-for-strain-gauge-load-cells.html
[25] https://www.reddit.com/r/rocketry/comments/172jzol/i_was_looking_around_trying_to_find_load_cells_to/
[26] https://www.anyload.com/load-cell-troubleshooting/
[27] https://www.u-buy.com.ng/product/13MUCUUW-degraw-5kg-load-cell-and-hx711-combo-pack-kit-load-cell-amplifier-adc-weight-sensor-for-arduino-scal
[28] https://www.youtube.com/watch?v=LIuf2egMioA
[29] https://www.nepal.ubuy.com/en/product/12ZTGST6-degraw-40-kg-tension-load-cell-and-hx711-combo-pack-kit-load-cell-amplifier-adc-weight-sensor-for-ar
