As the most accurate power analyzer in the world, the WT3000E provides a level of high precision that can truly validate small improvements in efficiency.

WJDDG大电流发生器是为电力部门和电气生产企业进行电气设备试验而设计制造的专用设备，适用于各种开关、电流互感器和其它电气设备的电流负载试验及温升试验。

Meet the basic test requirements in the field. This instrument has a standard four-phase voltage and three-phase current output, which can not only test various traditional relays and protection devices, but also carry out various tests on various mainstream microcomputer protection, and the test is more convenient and fast.

符合GB1984-2003《交流高压断路器》，JB3855-1996《3.6-40.5KV户内交流高压真空断路器》、DL406--1999《10-40.5KV户内高压真空断路器订货技术条件》标准要求，并符合IEC62271-100的相关要求。

大电流发生器是电力、电气行业在调试中需要大电流场所的必需设备，广泛应用于发电厂、变配电站、电器制造厂及科研院所等部门，属于短时或断续作制，具有体积小、重量轻、使用维修方便等特点。

WJHL-100A Loop Resistance Tester The loop resistance tester is designed by combining digital circuit technology and switching power supply technology. It is suitable for the measurement of contact resistance and loop resistance of switching control equipment. The test current adopts the DC 100A recommended by the national standard. The loop resistance and contact resistance can be measured directly at a current of 100A and displayed digitally. The instrument has accurate measurement and stable performance, which is suitable for the on-site maintenance of high-voltage switchgear in the power and power supply departments and the circuit resistance test of high-voltage switchgear plant.

WJGKC-IV高压开关机械特性测试仪可用于各种电压等级的真空、六氟化硫、少油、多油等电力系统高压开关的机械特性参数测试与测量。测量数据稳定，抗干扰性强，可在500KV等级及以下电站做实验，接线方便，操作简单，是高压开关检修试验最方便的工具。

WJL2100 智能站网络分析仪是基于智能变电站相关标准开发的一套检测和测试仪器，实现对SV、GOOSE、B码和IEEE1588报文的解析，电压电流的幅值、相位和频率计算，GOOSE虚端子的实时监视;通过SV