型号  | 电压  | 电流  | 功率  | 分辨率  | 精 度  | 接 口  | 尺寸  | 
IT-N2121  | 80V | 25A | 800W | 1mV/1mA | ≤0.03%+15mV/≤0.05%+8mA | 内置USB/LAN/数字IO通讯接口1/2 | 2U | 
IT-N2131  | 80V | 25A | 1500W | 1mV/1mA | ≤0.03%+15mV/≤0.05%+8mA1/2 | 内置USB/LAN/数字IO通讯接口 | 2U | 
IT-N2123  | 150V | 10A | 800W | 1mV/1mA | ≤0.03%+20mV/≤0.05%+5mA | 内置USB/LAN/数字IO通讯接口1/2 | 2U | 
IT-N2133  | 150V | 10A | 1500W | 1mV/1mA | ≤0.03%+20mV/≤0.05%+5mA | 内置USB/LAN/数字IO通讯接口1/2 | 2U |