1. The influence of environmental factors on the performance of electrical CT meter
Temperature: Temperature is the primary environmental factor affecting the performance of electrical CT meter. High temperature may accelerate the aging of internal components of the instrument, affect the measurement accuracy and stability, and even cause failures. On the contrary, under extreme low temperature conditions, material shrinkage may cause mechanical stress and affect the mechanical structure of the instrument. Therefore, when selecting an electrical CT instrument, you need to pay attention to its operating temperature range to ensure that the instrument can operate reliably at the expected ambient temperature.
Humidity: A high humidity environment may cause short circuits or corrosion in the internal circuits of the electrical CT instrument, especially in the presence of condensation. In addition, long-term high humidity may also promote mold growth, further damaging the performance of the instrument. Therefore, it is essential to select instruments with moisture-proof and mildew-proof designs, or take appropriate protective measures, such as installing dehumidification equipment, to maintain the performance of the instrument.
Vibration: Vibration not only affects the mechanical stability of the electrical CT instrument, but may also interfere with its internal electronic components, resulting in increased measurement errors. In an environment with mechanical vibration, an electrical CT instrument with a seismic design should be selected, or shock reduction measures, such as the use of elastic supports, should be taken to reduce the impact of vibration on the instrument.
2. The impact of installation conditions on electrical CT meter and selection strategies
Installation location: The installation location of electrical CT meter directly affects the accuracy and safety of their measurements. Ideally, CT should be installed on the current path, away from magnetic field interference sources, to reduce the impact of external magnetic fields on measurement accuracy. At the same time, considering the convenience of maintenance and calibration, the installation location of CT should be easily accessible. When selecting instruments, it is necessary to evaluate the specific requirements of different models for the installation location to ensure that the selected instruments can meet the site conditions.
Space constraints: In practical applications, the installation space is often limited, which puts specific requirements on the size and shape of electrical CT meter. Compact design or modular structure CT instruments are more suitable for space-constrained occasions. In addition, considering the possible expansion needs in the future, it is also wise to choose instruments with certain flexibility and scalability.
3. Comprehensive selection strategy
In the face of complex and changing environments and installation conditions, the selection of electrical CT meter requires comprehensive consideration of multiple factors. First, clarify the working environment and installation requirements of the instrument, including temperature range, humidity level, seismic requirements, and space constraints. Second, screen products on the market based on these requirements, focusing on the performance indicators, certification status, user evaluation, etc. of the instrument. Finally, conduct a field visit or trial to ensure that the selected instrument can meet the expected performance requirements in the actual operating environment.
