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AZTS Three-channel Transformer DC Resistance Tester    NAZTS三通道變壓器直流電阻測試儀

產品簡介

NAZTS三通道變壓器直流電阻測試儀（以下簡稱直阻儀）是變壓器直流電阻測量的最新一代產品，是為測量大容量變壓器三相繞組直流電阻而優化設計的。可對變壓器的三相繞組直流電阻進行同時測試。對有載調壓變壓器可以不需要放電，直接調節分接開關，測量時間是傳統單相測量的三分之一，可大大縮短工作時間和勞動強度。直阻儀采用大屏幕液晶顯示器，中英文圖形界面，清晰直觀，操作非常簡單。并配備面板式打印機和大容量非易失性存儲器，可以方便的存儲和打印測量結果。測試數據穩定，快速，重復性好，是現場測量變壓器直流電阻。

產品別名

直流電阻速測儀、變壓器直流電阻測試儀、變壓器繞組直流電阻測試儀、變壓器直阻速測儀、變壓器直阻快速測試儀、感性負載直流電阻速測儀、感性負載直流電阻快速測試儀、感性負載直流電阻測試儀、三回路變壓器直流電阻測試儀、三回路變壓器測試儀

產品特性

1.對星型接法有中性點引出的繞組測試時，儀器可以采取三相同時測量的方式測試A0、B0、C0相的直流電阻，大大節省測試時間；

2.顯示、打印變壓器的高中低壓繞組的全部測試數據，并自動計算出三相不平衡率；

3.具有完善的反電勢保護功能；

4.具有自動放電和放電指示功能，減少誤操作，保證設備及人員安全；

5.儀器可以永久存儲測試數據500組，還可以使用優盤存儲數據；

6.儀器采用5.7寸超大液晶顯示，可隨時打印測試結果；

7.儀器具有適用溫度寬，精度高，防震，抗干擾，攜帶方便等特點。

主要參數

輸出電流  三相測試：2*10A、2*5A、2*2A

單相測試：20A、10A、2A

測試范圍   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

測量精度: ±(0.2%讀數+2字)

外形尺寸: 420mm×250mm×340mm

儀器重量: 15kg

使用條件

環境溫度:  -10℃～50℃

環境濕度:  ≤85%RH

工作電源:  AC220V±10%

電源頻率:  50±1Hz

NAZTS Three-channel Transformer DC Resistance Tester

Product introduction

NAZTS 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

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