ADTEK Electronics CPM-12 Multifunction Power Meter is an entry-level panel mount meter for single phase and three phase systems:
https://lnkd.in/gvvBfF9G

The CPM-12 provides high accuracy measurement for voltage, current, active/reactive/apparent power and energy, power factor, and frequency. It can display also accumulated CO2 emission.

Here are some of the main features:
- With reliability simulation test report of MTBF over 60,000 hours
- Auto wiring change via software
- High brightness display. Able to perform even in direct sunlight
- RS485 Modbus RTU. The highest baud rate can reach 115200bps; data error rate below 1%
- FCC & CE Certified