Multimeters are widely used in power systems and must be operated correctly to prevent power outage accidents. However, the fundamental reason for these accidents is the lack of effective mismeasurement prevention features in multimeters. Therefore, a specialized multimeter with mismeasurement prevention functionality is proposed. Through techniques such as voice reading, automatic range identification, detection of live circuits, and cancellation of the current range to prevent mismeasurement, the design of the mismeasurement prevention functionality in the multimeter is demonstrated.
To design a multimeter with mismeasurement prevention functionality, the following design principles are proposed:
Real-time
monitoring
The multimeter should have real-time monitoring capabilities to monitor the measurement process and provide timely alerts and feedback.
Automatic
range identification
The multimeter should intelligently identify the voltage range of the circuit being measured and automatically adjust the corresponding measurement range to reduce the possibility of misoperation.
Detection
External circuit live status
The multimeter should have live circuit detection capabilities to detect whether the measured circuit is live in real time, avoiding misoperation on live circuits and improving operational safety.
Cancellation
Misoperation
The design should consider a mechanism for canceling misoperations to correct measurement errors promptly.
Based on the above design principles, OWON has designed a mis-measurement prevention multimeter dedicated to power systems. The OW18 series, OW16 series, and OWBD series provide you with a wealth of choices:
The multimeter has an automatic voice broadcast function, which can prompt the current measurement parameters through voice, allowing you to focus on your work. At the same time, the reading speed can be adjusted to meet your needs and reduce the risk of misoperation.
2.Automatic range identification
The multimeter employs intelligent identification algorithms to automatically recognize the voltage range of the measured circuit and adjust the corresponding measurement range automatically, reducing the possibility of misoperation.
3.Live circuit detection
The multimeter has a built-in live circuit detection circuit that can detect in real-time whether the measured circuit is live, avoiding misoperation on live circuits and improving operational safety.
The design solution has been implemented and validated for functionality. Experimental results show that the design solution significantly reduces the occurrence of power outage accidents caused by misoperations. The voice reading function provides intuitive measurement result prompts, while automatic range identification and live circuit detection effectively prevent misoperations. Dual fingerprint input ensures that only authorized personnel can perform measurements.
The design solution of the mismeasurement-preventing multimeter for power systems, incorporating techniques such as voice reading, automatic range identification, and live circuit detection, enhances the safety and reliability of the multimeter, effectively preventing power outage accidents caused by misoperations. The design solution has shown promising results in experiments and provides strong support for the safe operation of power systems. Future work can further optimize the design solution to enhance the functionality and performance of the multimeter and achieve a higher level of mismeasurement prevention capability. Additionally, combining Internet and artificial intelligence technologies can enable remote monitoring and operation, further enhancing the safety and intelligence level of power systems.
