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16 Tips for Load Cell Installation

In order to ensure the load cell accuracy and service life, following details and tips should be paid attention to in the installation of load cell:
  1. Load cells should be handled lightly and gently. Particularly for the small capacity load cells with alloy aluminum as the elastomer, any impact or drop caused by vibration may cause great output error.
  2. When designing and installing the loading device, the action line of loading force should coincide with the stress axis of load cell, so as to minimize the effects of inclined and eccentric loads.
  3. On level adjustment. If a single load cell is used, the mounting plane of its base should be adjusted to horizontal by a gradienter. If several load cells are used for measuring at a same time, the mounting surface of their base should be kept in one horizontal plane, so as to ensure that each load cell bears a basically same force.
  4. Rated load of the load cell shall be determined according to the capacity selection of load cell in the description.
  5. The mounting base surface of load cell should be neat and clean, there should be no oil contamination or glue film. The mounting base should have sufficient strength and rigidity, which is usually higher than that of the load cell itself.
  6. Load cell case, protective cover and lead joint shall seal, users shall not open them.
  7. In order to prevent chemical corrosion, Vaseline should be applied to the outer surface of the load cell during installation. The load cell shall not be used in sunshine and environment with dramatic temperature changes.
  8. Protective device or buffer device should be installed when unavoidable.
  9. To prevent high current directly passing through the load cell body and thus damaging the load cell, welding operation is not allowed after the load cell is installed.
  10. In case of last resort, a bypass copper braided wire should be added at both ends of the loading device of load cell.
  11. Cable line should not be lengthened randomly. If it indeed need, tin soldering and moisture-proof sealant should be added to the joint.
  12. It is better to cover the load cell with some baffles, so as to prevent debris from falling into the load cell's moving part and affecting its accuracy.
  13. The load cell cable should be kept away from strong power supply lines or places where the pulse wave exists. If it can’t be avoided, put the load cell cable into the iron pipe separately and shorten the connection distance as far as possible.
  14. Although the load cell has a certain overload capacity, overload should be avoided as far as possible in the process of installation and use. Sometimes a short time of overload may also cause permanent damage to the load cell.
  15. In high precision applications, the load cell and instruments should be used after 30 minutes of preheating.
  16. Load cells should be placed in dry, ventilated, no corrosive gas indoors.

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