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2.2 Measurement Accuracy
Voltage: 0.5%
Current: 0.5%
Frequency: 0.1%
Power Factor: 0.01
Active Power: 0.5%
Reactive Power: 1%
Apparent power: 0.5%
Active Energy: Class 0.5s
Reactive Energy: Class 2
2.3 RS485 Communication
Bus Type: RS485
Protocol: Modbus RTU
Baud Rate: 1200/2400/4800/9600bps (Default)
Address Range: 1-247 (Default:1)
Max. Bus loading: 64pcs
Max. Bus loading: 1000m
Parity: EVEN /ODD/NONE (Default)
Data Bit: 8
Stop Bit: 1
2.4 performance standard
Operating Humidity: ≤90%
Storage Humidity: ≤95%
Operating Temperature: -25℃~+55℃
Storage Temperature: -40℃~+70℃
International Standard: GB-T 17215/ IEC62053-22
Accuracy Class: Class 0.5S
Installation Category: CAT II
Protection against Penetration of Dust and Water: IP51 (Indoor)
Insulating Encased Meter of Protective Class: II
Altitude: ≤2000m