Introduction: The purchase of multi-functional power meters should be based on formal large-scale manufacturers. Some buyers have high requirements on quality. When selecting, multi-functional power meters should be inspected from various aspects. Multi-function power meter refers to multi-function smart meters such as digital communication and energy pulse transmission output. The measurement accuracy is 0.5. It can realize LED live display and remote RS-485 digital interface communication. It can complete power measurement, energy metering and data display. , collection and transmission functions.
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According to the different ways of installing the multi-function table, it can be divided into two types: embedded type and rail type. When selecting a multi-function power meter, attention should be paid to whether the exterior material is sturdy, whether the display is normal, whether the reading is normal, whether there is noise, and so on.
Multifunction power meters generally have full power parameter measurements and four quadrant power. Can choose RS485 communication agreement, choose LED or LCD display. More complex points can also measure harmonic content.
The price of multi-functional power meters on the market is now ranging from high to low, and manufacturers are also numerous. Everyone has a good choice to consider. 
How to choose a multi-function power meter