how to check mettler toledo load cell

Mettler Toledo is a global manufacturer of precision instruments and scales used in various industries. Load cells are essential components of Mettler Toledo scales, and they require maintenance and calibration periodically to ensure their accuracy. In this article, we will provide instructions on how to check Mettler Toledo load cells to ensure their proper functioning.

Gather Required Tools

Before inspecting Mettler Toledo load cells, it is essential to gather the necessary tools and equipment. The following list of items should be obtained before beginning the inspection:1. Mettler Toledo scale device2. Load cell calibration weights3. Digital multimeter4. Load cell test stand5. Force gauge

Inspect Load Cells for Damage or Wear

The first step in checking Mettler Toledo load cells is to inspect them for any signs of damage or wear. Damage or wear to the load cells can cause inaccurate readings and may lead to problems in the scale device's performance. Damage can be in the form of cracks or dents in the load cell, or wear may appear as corrosion or rusting. Such damages should be repaired immediately, or replacement should be made.

Calibrate Load Cells

The next step in checking Mettler Toledo load cells is to calibrate them. Calibration is essential to ensure that the load cells provide accurate readings. Load cells can be calibrated manually using calibration weights or electronically using a digital multimeter. To calibrate using calibration weights, the following steps should be taken:1. Place the calibration weights on the load cell and record the reading.2. Repeat the process using different weights and record the readings.3. Calculate the deviation between the measured weights and the actual weight.4. Make the necessary adjustment to the load cell.To calibrate electronically using a multimeter, the following steps should be taken:1. Connect the multimeter to the load cell and record the output reading.2. Place the calibration weights on the load cell and record the reading.3. Calculate the deviation between the multimeter output reading and the weight measurement.4. Adjust the load cell accordingly.

Load Cell Testing

The next step after calibration is load cell testing. Load cell testing ensures that the accuracy of the load cell is still maintained after calibration. Load cells can be tested using a load cell test stand or a force gauge. To test using a load cell test stand, perform the following steps:1. Connect the load cell to the test stand and measure the reading with different weights.2. Record the readings and compare them to the actual weight.3. If there are differences, adjust the load cell following the calibration process.To test using a force gauge, perform the following steps:1. Attach the force gauge to the load cell.2. Apply a force to the load cell and measure the output reading.3. Compare the output reading to the actual force applied.4. Adjust the load cell following the calibration process if there are discrepancies.

Conclusion

In conclusion, checking Mettler Toledo load cells is critical to ensure the proper functioning of the scales. Load cells should be inspected for damage before calibration is performed. Calibration and testing are necessary to confirm that the load cells provide accurate readings. Finally, it is essential to keep a record of all repairs and maintenance to ensure proper documentation and monitoring of the load cells' performance.