NADWG大型地網(wǎng)接地電阻測(cè)試儀
- 報(bào)價(jià)
- ¥10.00元每臺(tái)
- 聯(lián)系手機(jī)
- 15327206266
- 品牌
- 南澳電氣
- 型號(hào)
- NADWG
- 生產(chǎn)廠家
- 南澳電氣(武漢)有限公司
產(chǎn)品簡(jiǎn)介
NADWG-5A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(guò)程中的抗干擾問(wèn)題,簡(jiǎn)化了試驗(yàn)操作過(guò)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。
NADWG-5A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5A,不會(huì)引起測(cè)試時(shí)接地裝置的電位過(guò)高,同時(shí)它還具有極強(qiáng)的抗干擾能力,故可以在不停電的情況下進(jìn)行測(cè)量。
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
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、抗干擾能力強(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?;菊`差僅0.005Ω,可用來(lái)測(cè)量接地阻抗很小的大型地網(wǎng)。
4、功能強(qiáng)大??蓽y(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(wú)需大電流線。
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電壓干擾能力: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、輸出電流:5A
8、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 Substationground resistance tester can test grounding impedance, the contactvoltage, step voltage, the diverting potential of all kindsgrounding device, and the potential gradient field of surfaceparameters such as frequency and soil resistivity.NADWG Series Substation ground resistance testeruses different frequency interference technology, stronginterference environment can be measured accurately theuency 50Hz. Test current is (0 ~ 3.0A), does not improvepotential of grounding device, but it also has stronganti-interference ability, it can measurement without the powercut.
Alsocalled name
Ground network earth resistance tester,Ground Resistance Tester, Earth Ground Resistance Tester, GroundingResistance Tester
The Characteristics of theproducts
1、Good measurement ofpower frequency e Test current waveform is a sine andtwo fre used in measurement.
2、Anti-interferenceability ground voltage. The instrument uses different fre, with modern hardware and software filteringtechnology, making the instrument has a very high anti-jammingperformance, stable and reliable test data. 15V power frequency(50Hz) interference voltage error caused only0.001Ω.
3、High precision.Used to measure ground impedance small large groundnetwork.
4、And powerful.Measurable standards prescribed all the features of the groundingdevice parameters. Not only measure ground impedance, also measurethe resistance component and the reactancecomponent.
5、With the breakalarm function, to avoid erroneous measurements.
6、Simple operation.Full English menu operation,directly showing the measurement results, and comes with miniprinter can print on-site measurements.
7、The wiring labor issmall, no large current line.
8、Small size, lightweight, easy to carry.
The parameters of theproducts
Project parameters
Model
NADWG-3A
Substation Ground ResistanceTester
NADWG-5A
NADWG-5B
An impedance measuring range
0~15Ω
0~50Ω
0~5000Ω
Resolution
0.001Ω
0.001mΩ
The measurement error
±(reading×1% + 0.001Ω)
±(reading×2 % + 0.005Ω)
±(reading×2 % + 0.01Ω)
Hnti-interference
ability of ground voltage
15V power free
voltage error caused only0.001Ω
uency:50Hz
Interference voltage: 10V
uency:50Hz
The test current waveforms
sine
sine
sine
The test current frequency
-
45Hz、uency
45Hz、50Hz、55Hz、60Hz、65Hzuency;
45/55Hz、55/65Hz、47.5/52.5Hz Auency
The output current
0~3.0A
0~5.0A
1A、2A、3A、4A、5.0A
The output voltage
0~100V
0~420V
0~400V
The measurement
line re
The sectional area of copper
core of current lines ≥1.0mm2
The sectional area of copper
core of current lines ≥1.5mm2
The sectional area of copper
core of current lines ≥1.5mm2
The sectional area of coppercore
of voltagelines≥0.2mm2
The sectional area of coppercore
of voltagelines≥1.0mm2
The sectional area of coppercore
Power supply
AC220V±10%,50Hz
AC180~220V,50/60Hz
Use of the environment
Temperature:-10℃~50℃;Relativehumidity:<90%
Dimension
440mm×350mm×310mm
440mm×350mm×210mm
320mm×285mm×285mm
Weight
6.0kg
18kg
18kg
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
局部放電測(cè)試設(shè)備、高壓試驗(yàn)變壓器、高電壓成套測(cè)量設(shè)備、高電壓檢測(cè)儀器、電纜和避雷器測(cè)試設(shè)備、微機(jī)繼電保護(hù)測(cè)試設(shè)備、高精度分壓器、接地和絕緣檢測(cè)儀等
電力系統(tǒng)設(shè)備及自動(dòng)化控制系統(tǒng)技術(shù)的開發(fā)、研制及技術(shù)服務(wù);電子元器件批發(fā)兼零售;電氣設(shè)備、電力設(shè)備、計(jì)算機(jī)、儀器儀表(不含精密儀器)、測(cè)控儀器、自動(dòng)化測(cè)試系統(tǒng)、工業(yè)分析檢測(cè)儀器、高低壓配電柜、試驗(yàn)變壓器、電力變壓器、氧化鋅避雷器、電纜附件、五金交電的研發(fā)、生產(chǎn)、銷售;科研儀器、絕緣子的生產(chǎn)、銷售;貨物進(jìn)出口、技術(shù)進(jìn)出口、代理進(jìn)出口(不含國(guó)家禁止或限制進(jìn)出口的貨
南澳電氣(武漢)有限公司(簡(jiǎn)稱“南澳電氣”),主要從事電力檢測(cè)設(shè)備、高電壓試驗(yàn)研究、電力在線監(jiān)測(cè)系統(tǒng)的研發(fā),是早期國(guó)企改革后成立很早的創(chuàng)新型重點(diǎn)生產(chǎn)單位之一,公司是集研發(fā)、設(shè)計(jì)和制造高電壓輸變電檢測(cè)設(shè)備的高新骨干企業(yè)。經(jīng)過(guò)公司全體員工們孜孜不倦多年的努力,目前公司已成為集售后服務(wù)、科研開發(fā)、技術(shù)咨詢、設(shè)備研制、產(chǎn)品銷售、工程服務(wù)為一體的高新科研型單位。公司總部位于中國(guó)光谷,設(shè)備廣泛應(yīng)用于供電局、高校、電廠、鐵路、電信、石油、化工、冶金、...