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PS-ZK03变压器短路阻抗测试仪

短路阻抗是变压器的重要参数，短路阻抗法是判断绕组变形的传统方法。根据GB1094.5-2003和IEC60076-5：2000规定，短路电抗的变化量是判断变压器绕组是否变形的唯一标准。低压短路阻抗试验是检查变压器在运行过程中受到短路电流冲击后，或在运输、安装过程中受到机械力冲击后绕组是否变形的最直接的方法，对判断变压器能否投入运行具有重要意义，也是判断变压器是否需要解体检查的依据之一。

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1、三相短路阻抗的测量：
显示三相电压、三相电流、三相功率；自动计算阻抗电压折算到变压器额定温度、额定电流的百分比，以及与铭牌阻抗的误差百分比。
2、单相短路阻抗测量：
测量单相变压器的短路阻抗。
3、零序阻抗的测量：
零序阻抗测量适用于高压侧中性点采用星型连接的变压器。
4、在仪器允许测量范围内可直接测量，在测量范围外可外接电压、电流互感器，仪器可设定外接电压、电流互感器的变比，并直接显示施加的电压、电流值。
5.仪器采用大屏幕彩色高分辨率触摸液晶显示，中文菜单，中文提示，操作方便。
6、仪器自带打印机，可打印、显示数据。
7.内置不掉电存储器，可存储200组测量数据。
8、仪器配备U盘接口，可存取测试数据。
9.万年历、时钟功能，可进行时间校准。
10、仪器测量范围宽、精度高、稳定性好；体积小、重量轻，方便测量。

产品参数

电压（范围自动）	15～400V	±（读数×0.2%+3位）±0.04%（范围）
电流（范围自动）	0.10～20A	±（读数×0.2%+3位）±0.04%（范围）
力量	COSΦ>0.15	±（读数 × 0.5% + 3 位）
频率（工频）	45～65(赫兹)	测量精度		±0.1%
短路阻抗	0～100％	测量精度		±0.5%
重复稳定性	比率差<0.2%，角度差<0.02°
仪表显示	5 位数字
仪器保护电流	测试电流大于18A，仪器内部继电器断开，并具有过流保护功能。
环境温度	-10℃～40℃
相对湿度	≤85%RH
工作功率	交流220V±10% 50Hz±1Hz
方面	主持人	360290170（毫米）	线盒	360290170（毫米）
重量	主持人	4.85公斤	线盒	5.15公斤

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