Lumel ND20 - 1 and 3-phase power network meter with measurement (selectively) of harmonics ND20

Description

• measurement of:

power network parameters in 4- wire balanced and unbalanced systems,
harmonics of voltages and currents (selectively)
THD factors for currents and voltage

• high accuracy class,
• profile of 15, 30, 60-minutes` power (9000 measurements),
• watt-hour meter for the selected harmonic, 
• protection grade from the frontal side: IP65
• digital transmission to the master system through the RS-485 interface (MODBUS)