The meter is a Class 1.0 Accuracy electric energy metering instrument with the high manufacturing technology to realize the measurement and control of active energy, and it supports the standard DLMS/COSEM specification, to realize the interoperability under master station.

The meter mainly includes measurement unit, display unit, button unit, real-time clock unit, function of infrared and Bluetooth communication with other auxiliary ports that can be programmable.

• Model : N21
• Communication Type : Bluetooth 
• Normal voltage : 230VAC
• Normal frequency : 50 Hz
• Current rating : 10(100) A
• Measurement rating : Class 1.0 kWh, Class 2.0 kVarh
• Operating temperature : – 25°C ∼ +60°C
• Storage temperature : – 40°C ∼ +85°C
• Insulation voltage : 4 kV
• Impulse voltage : 10 kV
• Calendar type : Gregorian
• Display type : LCD – Liquid Crystal Display