南澳电气(武汉)有限公司生产NAZT-S三通道变压器直流电阻测试仪直流电阻速测仪

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南澳电气(武汉)有限公司生产NAZT-S三通道变压器直流电阻测试仪直流电阻速测仪

南澳电气(武汉)有限公司生产NAZT-S三通道变压器直流电阻测试仪

NAZT-S Three-channel Transformer DC Resistance Tester 三通道变压器直流电阻测试仪
产品简介
NAZT-S三通道变压器直流电阻测试仪（以下简称直阻仪）是变压器直流电阻测量的新一代产品，是为测量大容量变压器三相绕组直流电阻而优化设计的。可对变压器的三相绕组直流电阻进行同时测试。对有载调压变压器可以不需要放电，直接调节分接开关，测量时间是传统单相测量的三分之一，可大大缩短工作时间和劳动强度。直阻仪采用大屏幕液晶显示器，中英文图形界面，清晰直观，操作非常简单。并配备面板式打印机和大容量非易失性存储器，可以方便的存储和打印测量结果。测试数据稳定，快速，重复性好，是现场测量变压器直流电阻的选择。
产品别名
直流电阻速测仪、变压器直流电阻测试仪、变压器绕组直流电阻测试仪、变压器直阻速测仪、变压器直阻快速测试仪、感性负载直流电阻速测仪、感性负载直流电阻快速测试仪、感性负载直流电阻测试仪,三回路变压器直流电阻测试仪、三回路变压器测试仪
产品特性
1.对星型接法有中性点引出的绕组测试时，仪器可以采取三相同时测量的方式测试A0、B0、C0相的直流电阻，大大节省测试时间；
2.显示、打印变压器的高中低压绕组的全部测试数据，并自动计算出三相不平衡率；
3.具有完善的反电势保护功能；
4.具有自动放电和放电指示功能，减少误操作，设备及人员安全；
5.仪器可以存储测试数据500组，还可以使用优盘存储数据；
6.仪器采用5.7寸超大液晶显示，可随时打印测试结果；
7.仪器具有适用温度宽，精度高，防震，抗干扰，携带方便等特点。
主要参数
输出电流 三相测试：2*10A、2*5A、2*2A
单相测试：20A、10A、2A
测试范围 2*10A：500μΩ～500mΩ
2*5A： 1mΩ～1Ω
2*2A： 2.5mΩ～2.5Ω
20A： 250μΩ～1Ω
10A： 500μΩ～2Ω
2A： 2.5mΩ～10Ω
分 辨 率: 0.1μΩ
测量精度: ±(0.2%读数+2字)
外形尺寸: 420mm×250mm×340mm
仪器重量: 15kg
使用条件
环境温度: -10℃～50℃
环境湿度: ≤85%RH
工作电源: AC220V±10%
电源频率: 50±1Hz

Product introduction
NAZT-S Three-channel Transformer DC resistance tester (hereinafter referred to as direct resistance meter) is the latest generation product of transformer DC resistance measurement, used for measuring large-capacity transformer three-phase winding DC resistance. Three-phase transformer winding DC resistance can be tested simultaneously . For loaded tap changer, it’s no need to discharge, just to regulate the tap directly. The measuring time is one-third of traditional single-phase measuring time, can reduce the working hours and labor intensity greatly Direct resistance tester using a large-screen LCD display, full English graphical interface, clear and intuitive, is very simple to operate. And equipped with a large-capacity printer panel and a nonvolatile memory, can storage and print easily. The testing data is stable, fast and reproducible, is the best choice for on-site transformer DC resistance measuring .
Also called name
DC resistance rapid tester, transformer DC resistance tester, transformer winding DC resistance tester, transformer direct resistance rapid tester, transformer direct resistance rapid tester, inductive loaded DC resistance tester, inductive loaded DC Resistance rapid tester, inductive loaded DC resistance tester, three circuit transformer DC resistance tester, three circuit transformer tester
The Characteristics of the products
1 On star connection with neutral point leads winding test, the instrument can simultaneously measure three-phase A0, B0, C0 phase DC resistance, saving test time ;
2 Display, print all the tested data of transformer high voltage winding, and automatical calculates the three-phase unbalanced ratio ;
3 With perfect counter emf protective function.
4 With automatic discharge and discharge indicator function, to reduce the misuse, ensure the equipment and personnel safety ;
5 The instrument can store 500 groups of tested data permanently, also can use USB flash drives to store data ;
6 The instrument uses 5.7 -inch large LCD, can print the test results at any time;
7 The instrument can suitable for wide range of temperature, with high precision, shock-proof and anti-jamming function, is portable and convenient .
The parameters of the products
Output Current Three-phase Test : 2 × 10A, 2 × 5A, 2 × 2A
Single phase : 20A, 10A, 2A
Test range 2 × 10A: 500μΩ ~ 500mΩ
2 × 5A: 1mΩ ~ 1Ω
2 × 2A: 2.5mΩ ~ 2.5Ω
20A: 250μΩ ~ 1Ω
10A: 500μΩ ~ 2Ω
2A: 2.5mΩ ~ 10Ω
Resolution : 0.1μΩ
Accuracy : ± (0.2% reading +2 )
Dimensions : 420mm × 250mm × 340mm
Instrument Weight : 15kg
Conditions of Use Ambient temperature : -10 ℃ ~ 50 ℃
Humidity : ≤ 85% RH
Power supply : AC220V ± 10%
Power frequency : 50 ± 1Hz