GB/T 17215.321-2008 "Special Requirements for AC Measuring Equipment Part 21: Static Active Energy Meters (Class 1 and Class 2)"

• The voltage sampling circuit adopts resistance voltage division method.

• The display adopts an LCD monitor.

• Equipped with infrared and RS485 communication interfaces. （optional）

• Standard reference voltage (V): 220

• Standard current (A): 1.5, 5, 10, 15, 20, 30

• Maximum current (A): not greater than 100 and not greater than 10 times the standard current

• Standard reference frequency (Hz): 50

  
  

Accuracy level: Active: Level 1, Level 2

Optional 485 interface and infrared module