The ND20 meter is a digital programmable panel meter destined for the measurement of single-phase power network parameters (2-wire network) and 3-phase, 3,4-wire network in balanced and unbalanced systems with the simultaneous display of measured quantities on a LCD display. The meter enables the control and optimization of power electronics devices, systems and industrial installation operations.

ND20仪表是一种数字式可编程面板仪表，用于测量单相电网参数(2线网)和3相、3、4线网络在平衡和不平衡的系统中，同时在液晶显示器上显示测量的数量。该仪表能够控制和优化电力电子设备、系统和工业安装操作。

产品资料：

ND20_ST_usermanual
ND20-sifamtinsley_UK_datasheet
sifamtinsley_UK_datasheet_Omega_Summation_CT
STUK_mod-centre_stock_profile_2015_web

Features• Measurement of power network parameters in 2,3 or 4- wire balanced and unbalanced systems
• High accuracy class
• Indications considering values of programmed ratios
• Harmonics of voltages and currents (selecti vely)
• THD factors for currents and voltages
• Profile of 15, 30, 60-minutes’ power (9000 measurements)
• Watt-hour meter for the selected harmonic
• Backlit LCD 3.5” screen
• Protecti on grade from the frontal side: IP65
• Digital transmission to the master system through the RS-485 interface (MODBUS)
• Configurable analog, alarm and pulse outputs (energy)
• Configurati on of displayed pages.

特点•在2、3或4线平衡和不平衡系统中测量电网参数。

•高精度等级

•考虑到编程比例的数值。

•电压和电流的谐波(自动)

•电流和电压的THD因素。

•15、30、60分钟的功率(9000测量)

•选择谐波的电度表。

•背光LCD 3.5英寸屏幕。

•从正面来的防护等级:IP65。

•通过RS-485接口(MODBUS)对主系统进行数字传输

•可配置模拟、报警和脉冲输出(能量)

•显示页面的配置。