Operation and Installation Condition Altitude:≤2000m Ambient air temperature:-5℃~+40℃, average temperature of 24 hours must below+35℃ Relative humidity: the maximum temperature of 40 degrees, the air relative humidity not exceed 50%, at a lower temperature can allow for a higher relative humidity. The wettest month’s average lowest temperature must be below 25℃, the max relative humidity of that month should not exceed 90%. If humidity changes as a result of occasional gel generated, should...

Basic Function 1. LCD display 5+1(default) or 4+2 kWh, Display; 2. Bi-directional total active energy measurement, reverse active energy measure in the total active energy; 3. Pulse LED indicates working of meter, Passive pulse output with optical coupling isolation; 4. Energy data can store in memory chip more than 15 years after power off; 5. 35mm din rail installation.