How Accurate Is the Remote Smart Meter？
There are many users who will question the accuracy of remote smart meters. Because after replacing the smart meter, I always feel that my meter is running faster, so I wonder if the smart meter is inaccurate. In fact, it is because the smart meter is more accurate and sensitive than the mechanical meter. The old mechanical meter is worn out and the measurement is inaccurate, so it will cause the user to feel that the electricity runs faster after using the smart meter, but it is precisely because it is more accurate.
What are the reasons for the high accuracy of smart meters?
First, high-quality measurement modules
The accuracy of smart meter measurement depends on three parts: measurement chip, sampling resistor, and transformer. The "sampling dynamic range" and "reference temperature coefficient" of the metering chip ensure the smart meter's ability to resist shock loads and operating stability. The columnar chip resistors used can improve the impact resistance of the meter and display more accurate data. The newly added transformer can correct the angular difference and ratio difference of the transformer by means of software compensation during the conversion process. These three parts also guarantee the accuracy of smart meter measurement.
Second, strict requirements for production qualifications
Regarding the production qualifications of manufacturers, relevant departments have strict access requirements, and production licenses will not be granted if the production qualifications do not meet the standards. However, I would like to remind users here to be extra careful when purchasing smart meters of certain brands produced in Wenzhou. Because the electricity meters produced by many small workshops have not obtained the provincial production qualification, and many small workshops do not have the purchasing conditions for the research and development and testing equipment of electricity meters, the price of their electricity meters is cheap, but the quality may not be reliable.
Third, the strict control of enterprises and AQSIQ
Before the smart meter is put on the market, there will be four strict quality controls. One school of the enterprise adjusts the accuracy of meter measurement, and the process is fully automated. The second inspection, re-calibrate each watch and adjust the error to zero. In three sampling inspections, the factory will conduct sampling inspections on each batch of electricity meters. Only when these three inspections are qualified will the enterprise be allowed to judge that the meter is qualified. In addition to the company's own inspection, the government's quality inspection and supervision department will conduct unannounced inspections of the company from time to time, without prior notice, directly at the assembly line or at the end of the packaging. Once the problem is found, the company will be severely punished.
With this triple guarantee, isn't the accuracy of the remote smart meter still worthy of your trust? If you feel that the monthly electricity consumption is large, you can turn off the main power supply and unplug it each time after using the TV, computer, water dispenser, and other electrical appliances, so as to develop a good habit of electricity consumption.
