產(chǎn)品簡(jiǎn)介 

南澳電氣NADWG大型地網(wǎng)接地電阻測(cè)試儀，可測(cè)變電站地網(wǎng)（4Ω）、水火電廠、微波站（10Ω）、避雷針（10Ω）多用機(jī)型，采用了新型變頻交流電源，并采用了微機(jī)處理控制和信號(hào)處理等措施，很好的解決了測(cè)試過程中的抗干擾問題，簡(jiǎn)化了試驗(yàn)操作過程，提高了測(cè)試結(jié)果的精度和準(zhǔn)確性，大大降低了試驗(yàn)人員的勞動(dòng)強(qiáng)度和試驗(yàn)成本。

南澳電氣NADWG大型地網(wǎng)接地電阻測(cè)試儀適用于測(cè)試各類接地裝置的工頻接地阻抗、接觸電壓、跨步電壓、等工頻特性參數(shù)以及土壤電阻率。本儀器采用異頻抗干擾技術(shù)，能在強(qiáng)干擾環(huán)境下準(zhǔn)確測(cè)得工頻50Hz下的數(shù)據(jù)。測(cè)試電流zui大5A，不會(huì)引起測(cè)試時(shí)接地裝置的電位過高，同時(shí)它還具有*的抗*力，故可以在不停電的情況下進(jìn)行測(cè)量。

南澳電氣NADWG大型地網(wǎng)接地電阻測(cè)試儀產(chǎn)品別名

地網(wǎng)接地電阻測(cè)試儀，大地網(wǎng)接地電阻測(cè)試儀，大型地網(wǎng)接地電阻測(cè)試儀

南澳電氣NADWG大型地網(wǎng)接地電阻測(cè)試儀產(chǎn)品特性

1、測(cè)量的工頻等效性好。測(cè)試電流波形為正弦波，頻率僅與工頻相差為5Hz，使用45Hz 和55Hz 兩種頻率進(jìn)行測(cè)量。

2、抗*力強(qiáng)。本儀器采用異頻法測(cè)量，配合現(xiàn)代軟硬件濾波技術(shù)，使得儀器具有很高的抗干擾性能，測(cè)試數(shù)據(jù)穩(wěn)定可靠。

3、精度高。基本誤差僅0.005Ω，可用來測(cè)量接地阻抗很小的大型地網(wǎng)。

4、功能強(qiáng)大。可測(cè)量電流樁，電壓樁的接地電阻，地網(wǎng)的接地電阻，導(dǎo)通電阻,土壤電阻率。

5、操作簡(jiǎn)單。中英文菜單式操作，直接顯示出測(cè)量結(jié)果。

6、布線勞動(dòng)量小，無需大電流線。

南澳電氣NADWG大型地網(wǎng)接地電阻測(cè)試儀產(chǎn)品參數(shù)

1、阻抗測(cè)量范圍：0～150Ω

2、分辨率：0.001Ω

3、測(cè)量誤差：±（讀數(shù)×2％+0.005Ω）

4、抗工頻50Hz 電壓*力：10V

5、測(cè)試電流波形：正弦波

6、測(cè)試電流頻率：45Hz、55Hz 雙頻

7、zui大輸出電流：5A

8、zui大輸出電壓：420V

9、測(cè)量線要求： 電流線銅芯截面積≥1.5mm2

電壓線銅芯截面積≥1.0mm2

10、供電電源：AC220V±10％，50Hz

11、外形尺寸：440mm×350mm×210mm

12、儀器重量：18kg

Product introduction

NADWG Series Substation ground resistance tester can test grounding impedance, the contact voltage, step voltage, the diverting potential of all kinds grounding device, and the potential gradient field of surface parameters such as frequency and soil resistivity. NADWG Series Substation ground resistance tester uses different frequency interference technology, strong interference environment can be measured accuray the data frequency 50Hz. Test current is (0 ~ 3.0A), does not improve potential of grounding device, but it also has strong anti-interference ability, it can measurement without the power cut.

Also called name

Ground network earth resistance tester, Ground Resistance Tester, Earth Ground Resistance Tester, Grounding Resistance Tester

The Characteristics of the products 

1、Good measurement of power frequency equivalence. Test current waveform is a sine and two frequencies used in measurement.

2、Anti-interference ability ground voltage. The instrument uses different frequency measurement, with modern hardware and software filtering technology, making the instrument has a very high anti-jamming performance, stable and reliable test data. 15V power frequency (50Hz) interference voltage error caused only 0.001Ω.

3、High precision. Used to measure ground impedance small large ground network.

4、And powerful. Measurable standards prescribed all the features of the grounding device parameters. Not only measure ground impedance, also measure the resistance component and the reactance component.

5、With the break alarm function, to avoid erroneous measurements.

6、Simple operation. Full English menu operation, directly showing the measurement results, and comes with mini printer can print on-site measurements.

7、The wiring labor is small, no large current line.

8、Small size, light weight, easy to carry.

The parameters of the products