產(chǎn)品簡介

NAZT-S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新一代產(chǎn)品，是為測量大容量變壓器三相繞組直流電阻而優(yōu)化設(shè)計(jì)的。可對變壓器的三相繞組直流電阻進(jìn)行同時(shí)測試。對有載調(diào)壓變壓器可以不需要放電，直接調(diào)節(jié)分接開關(guān)，測量時(shí)間是傳統(tǒng)單相測量的三分之一，可大大縮短工作時(shí)間和勞動強(qiáng)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(jī)和大容量非易失性存儲器，可以方便的存儲和打印測量結(jié)果。測試數(shù)據(jù)穩(wěn)定，快速，重復(fù)性好，是現(xiàn)場測量變壓器直流電阻的良好選擇。

產(chǎn)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(fù)載直流電阻速測儀、感性負(fù)載直流電阻快速測試儀、感性負(fù)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(chǎn)品特性

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

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

3.具有完善的反電勢保護(hù)功能；

4.具有自動放電和放電指示功能，減少誤操作，保證設(shè)備及人員安全；

5.儀器可以存儲測試數(shù)據(jù)500組，還可以使用優(yōu)盤存儲數(shù)據(jù)；

6.儀器采用5.7寸超大液晶顯示，可隨時(shí)打印測試結(jié)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(diǎn)。

主要參數(shù)

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(shù)+2字)

外形尺寸: 420mm×250mm×340mm

儀器重量: 15kg

使用條件

環(huán)境溫度:  -10℃～50℃

環(huán)境濕度:  ≤85%RH

工作電源:  AC220V±10%

電源頻率:  50±1Hz

Productintroduction

NAZT-SThree-channel Transformer DC resistance tester (hereinafterreferred to as direct resistance meter) is the latest generationproduct of transformer DC resistance measurement, used formeasuring large-capacity transformer three-phase winding DCresistance. Three-phase transformer winding DC resistance can betested simultaneously . For loaded tap changer, it’s noneed to discharge, just to regulate the tap directly. The measuringtime is one-third of traditional single-phase measuring time, canreduce the working hours and labor intensity greatly Directresistance tester using a large-screen LCD display,full English graphicalinterface, clear and intuitive, is very simple to operate. Ande with a large-capacity printer panel and a nonvolatilememory, can storage and print easily. The testing data is stable,fast and reproducible, is the best choice for on-site transformerDC resistance measuring .

Alsocalled name

DC resistance rapid tester, transformer DC resistance tester,transformer winding DC resistance tester, transformer directresistance rapid tester, transformer direct resistance rapidtester, inductive loaded DC resistance tester, inductive loaded DCResistance rapid tester, inductive loaded DC resistance tester,three circuit transformer DC resistance tester, three circuittransformer tester

TheCharacteristics of the products

1 On star connection with neutral point leads winding test, theinstrument can simultaneously measure three-phase A0, B0, C0 phaseDC resistance, saving test time ;

2 Display, print all the tested data of transformer high voltagewinding, and automatical calculates the three-phase unbalancedratio ;

3 With perfect counter emf protective function.

4 With automatic discharge and discharge indicator function, toreduce the misuse, ensure the e 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 testresults at any time;

7 The instrument can suitable for wide range of temperature, withhigh precision, shock-proof and anti-jamming function, is portableand convenient .

Theparameters 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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