You can focus on three core aspects: installation specifications, operating condition control, and regular maintenance. This can extend the accuracy retention time of the 6125A by 3-6 months, or even longer. The specific operations are simple and easy to implement:
1. Strictly adhere to installation specifications to prevent premature aging.
Ensure the sensor face and the inner wall of the hot runner are flush, with an error controlled within ±0.1mm: A protruding sensor head will be subjected to long-term molten material impact, accelerating diaphragm fatigue; a recessed sensor head will accumulate material and corrode the diaphragm, both of which will accelerate the decline in accuracy.
Control the installation torque: Tighten to the specified torque as required by the instruction manual. Do not overtighten to avoid installation stress causing pre-deformation of the diaphragm, which will gradually lead to accuracy drift over long-term use.
2. Control operating conditions to reduce unnecessary aging and wear.
The long-term operating pressure should not exceed 80% of the range: For example, if a 500 bar range is selected, the maximum daily operating pressure should be controlled below 400 bar to avoid premature diaphragm fatigue due to prolonged overpressure and to delay sensitivity decline.
Thoroughly clean the flow channels when production stops: After processing corrosive raw materials, thoroughly clean the flow channels with a neutral cleaning agent to reduce the long-term adhesion of residual raw materials to corrode the diaphragm, effectively slowing down the corrosion and aging rate.
3. Regular maintenance and calibration to correct minor deviations in advance.
Perform routine calibration every 6 months: Recalibrate the zero point and full scale to correct minor drifts in a timely manner, preventing small deviations from accumulating into large precision overruns.
Clean the residual material on the sensor head surface each time the mold is disassembled and installed: Gently scrape it off with a soft copper sheet. Do not use hard objects to scratch the diaphragm, as scratching will directly cause precision drift and shorten the precision retention time.
By following these steps, you can maximize the material and design advantages of the 6125A sensor, extending the precision retention time by more than six months compared to usage scenarios where maintenance is neglected.
