Electrical instruments are vulnerable to damage from vibration, heat, and moisture. In many cases, internal damage is not visible from the outside, but it can lead to measurement errors and affect the safe and efficient operation of the main equipment. Therefore, proper storage and careful handling are essential for preserving the accuracy and lifespan of these devices.
First, when receiving different types of electrical instrumentation, the warehousing process should be carefully managed. Each type of instrument must come with necessary documentation such as product specifications, certificates, and technical manuals. When unpacking, avoid using hammers or forceful methods that could damage the device. It's important to clean the area before opening the box to prevent dust from entering. In cold weather, it’s recommended to let precision instruments acclimate in the warehouse for at least 24 hours before opening to avoid condensation and temperature shock.
Inspect the appearance of the instrument for any signs of damage, such as cracks, dents, or loose parts. The glass cover should be intact, and the dial markings must be clear and undamaged. The pointer should move smoothly without sticking or bending. All terminals and knobs should be secure and functional. Ensure that all accessories and spare parts match the equipment list and are complete.
In some cases, professional power-on testing may be required, including error checks, insulation tests, and voltage resistance tests, especially for high-precision instruments. These steps help ensure that the equipment remains in good working condition.
For storage, electrical instruments should be kept in a dry, well-ventilated, and temperature-controlled environment. Ideal conditions are between 5°C and 30°C with humidity below 70%. Avoid storing instruments near corrosive gases or chemical substances. If infrared heating is used, make sure the heat source does not directly expose the equipment. In winter, avoid direct heat sources like fireplaces that could overheat sensitive components.
High-precision instruments should be stored in special cabinets, wrapped in moisture-proof paper and placed in their original boxes. If stored on shelves, avoid stacking too high to prevent crushing. Wooden boxes can be stacked up to 2 meters, ensuring stability and preventing collapse. The base of the stack should be elevated if the floor is damp to prevent moisture absorption.
During handling and storage, avoid rolling, dropping, or flipping the instruments. Always handle them with care. Regular inspections are crucial, especially after rainy seasons. If mildew is found, it can be gently polished with car wax. If performance issues arise, send the instrument back to the manufacturer for repair.
Before long-term storage, remove batteries from devices that use them to prevent corrosion. Accessories should be stored alongside the main unit, ideally in designated areas for easy access during maintenance or calibration. For control panels or switchboards, keep related components together to simplify inspection and installation tasks.
Proper storage and maintenance not only extend the life of electrical instruments but also ensure their reliability and accuracy in real-world applications. Taking these precautions helps protect valuable equipment and reduces the risk of costly failures down the line.
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