Product introduction

NAFRC series AC ａnd DC divider, also known as digital high voltage gauge ａnd resistance-capacitance divider voltage divider, user can ｓelect different accuracy according to the requirement of measuring voltage accuracy.The highest accuracy in this series are: AC: 0.5% / DC: 0.5%, For higher accuracy, you can choose our company NAPD Series Precision DC divider, NAPA Series Precision AC voltage divider. The NAFRC divider adopting potential screening high-voltage measuring device, is the latest research ａnd develop product of the sixth generation equipment, compared to similar products from other companies, we are adopting the filling media which imported from U.S., the internal part of the divider have using several patented shielding technology, so that the product has a longer life ａnd greater stability, we has occupied most of the market.

Also called name

AC ａnd DC voltage divider, digital high voltage meter, high voltage gauge, high voltage digital meter, voltage divider, resistance-capacitance divider, electrostatic voltmeter, high voltage divider, AC-DC high voltage divider, AC-DC high voltage meter, AC-DC high voltage divider, AC voltage divider, DC voltage divider, AC-DC high voltage test device, resistance-capacitance AC-DC divider, AC-DC resistance-capacitance divider, AC-DC digital divider kV voltage meter, KV voltage meter, kilo voltmeter, NAFRC-type divider for AC/DC.

The Characteristics of the products

1. In order to facilitate the needs of different measurement on site, above 300kV voltage divider designed into the structure of double sections or three sections, it realizes multi-purpose ａnd more convenient to carry;

2. When semetal structure, using one section to measure low voltage, using two sections to measure higher voltage, ａnd using three sections to measure full-scale voltage;

3. Intelligent kilo voltmeter adopts dot matrix LCD English ａnd Chinese screen, it can measure peak, √3 RMS, average DC, crest factor, frequency, voltage waveform ａnd so on;

4. AC/ DC automatically changed, with functions of over-voltage protection ａnd high voltage flash over protection.

5. Using low temperature coefficient of resistance ａnd capacity components, there is no adjustable device on the low voltage arm, then there is no vibration to affect the precision.

6. The measurement system ａnd the high voltage part is completely separated absolutely, measurement is safe ａnd reliable.

Product information

Five series dividers used for High voltage measurement, the difference are in uses object ａnd major function:

1.NAFRC Series AC-DC voltage divider used for measuring the power frequency which the accuracy is less than 0.5%, AC high voltage under 300Hz, ａnd DC high voltage which the accuracy is less than 0.5%. Widely used in national wide ａnd city level power supply bureau, power plant, varies of electrical installation company ａnd power maintenance unit of large power enterprise.

2.NAPD Series Precision DC divider used for DC voltage precision measuring which the accuracy demand is 0.2 %, 0.1% ａnd 0.05 %.Such as the national wide ａnd city level municipal pilot station, metering stations ａnd research institutes .

3.NAPA Series Precision DC divider used for DC voltage precision measuring which the accuracy demand is 0.2 %, 0.1% ａnd 0.05 %, ａnd the frequency is 30-300Hz. Applying to high-voltage cable dielectric loss testing by national cable manufacturers, ａnd as a power frequency standard in provinces & municipal pilot station ａnd electricity metering station, while measuring 30-300Hz AC high voltage.

4.NAVC series high frequency divider measuring frequencies up to 1M-10M or more , the DC measurement accuracy is <0.1%, 10Hz-1MHz pulse pressure measurement accuracy is <1.0%, 1MHz above measurement accuracy < 3%. Suitable for analyzing the high-voltage circuit breakers, high voltage DC power supply , particle accelerator ａnd  a variety of high-voltage high-frequency characteristics with an oscilloscope connection.

5.NAPF series pulses divider use for measuring variety of standard light wave, the response time is less than 100ns.

NARP Series no PD Pulse Divider   NARP高精度無(wú)局放分壓器

產(chǎn)品簡(jiǎn)介

NARP系列無(wú)局放分壓器又稱耦合電容器，主要用于無(wú)局放測(cè)試系統(tǒng)測(cè)量交流電壓或采集局放電壓信號(hào)，該系列分壓器與普通分壓器比較，有以下幾個(gè)不同點(diǎn)：

1、都可以測(cè)量高壓電壓，但普通分壓器不能測(cè)量無(wú)局放的高壓電壓；

2、普通分壓器一般電容量較�。ㄐ∮�500pF），而NARP系列電容量較大，一般在600-1000pF；

3、普通分壓器為干式介質(zhì)，體積比較小，重量比較輕，測(cè)量準(zhǔn)確度一般優(yōu)于NARP系列；

4、普通分壓器一般單獨(dú)使用，NARP系列分壓器一般與無(wú)局放電源一起配合使用；

產(chǎn)品別名

高壓測(cè)試儀、數(shù)字高壓表、高壓測(cè)量?jī)x、高壓表、高壓數(shù)字表、分壓器、阻容分壓器、靜電電壓表、高壓分壓器、交直流分壓器、交直流高壓表、交直流高壓分壓器、交流分壓器、直流分壓器、交直流兩用高壓測(cè)試裝置、阻容式交直流分壓器、交直流阻容分壓器、交直流數(shù)字分壓器、千伏電壓表、千伏表、NAFRC型交直二用分壓器

產(chǎn)品特性

1、NARP系列無(wú)局放分壓器采用便攜式設(shè)計(jì)，配行車小輪，便于移動(dòng)；

2、無(wú)局放設(shè)計(jì)，高壓金屬罩上自帶2個(gè)M10連接孔，方便連接負(fù)載；

3、配備低壓臂，既可當(dāng)分壓器使用，又可以當(dāng)耦合電容器使用，一機(jī)二用，性價(jià)比高；

4、底座噴涂金屬垂紋漆，防銹防油；

產(chǎn)品參數(shù)

1、電容量：600-1000pF(特殊容量可以定做)；

2、電壓等級(jí)：50-1000kV

3、局部放電量：額定電壓下局放量小于等于3PC;

4、絕緣介質(zhì)：電容油

5、用于工頻電壓下電力設(shè)備的局放測(cè)量；

6、測(cè)量30-300Hz交流高壓、無(wú)局放測(cè)試中作為耦合電容器

Product introduction

NARP pulse divider is high-voltage measuring systems with under-damping ａnd potential shielding. Mainly used for measuring for light wave, including light full wave,8/20us wave ａnd other light waveform. It’s a special voltage divider for light waveform. Simple to operate, intuitive display, high precision, small in size, light in weight. It’s ideal high-voltage measuring equipment for Grid primary equipment testing(such as Zinc oxide lightning arrester waves steep testing, voltage transformer lighting full-wave testing, high-voltage switch lighting fill-wave testing, substation main transformer testing, high-voltage GIS testing,etc.), substation, high-voltage electrical equipment factory ａnd high-voltage testing laboratory ａnd other relative departments.

Also called name

NARP Series pulse impulse divider, pulse divider

The Characteristics of the products

Adopting imported fill material ａnd realizing highly stable, the inside adopt highly precision resistance ａnd low tangent capacity, partial discharge. Small size, light weight, ans easy to take.

The parameters of the products

1, Voltage level: AC: 50 kV-2000kV (Able to withstand the impact of rates 110% voltage peak value )

2, Responding time: <120ns (special requirements can be customized)

3, Impact of voltage waveform:

Lightning impulse full wave (referred as to lightning full-wave lightning) the main parameters is peak UP, pre-wave time T1, half peak time T2, the pre-wave of standard lightning full-wave time  is T1 = 1.2us

Half peak value time is T2 = 50us.

In order to obtain highly accurate testing data, it is recommended to adopt US Tektronix which more than 200M oscilloscope, while the other technical specifications should meet the high-voltage lightning wave measurement requirements.

4, Accuracy: AC: 3.0%

5, Insulating medium: Imported capacitor oil

6, Environmental conditions:

  Temperature: 0℃ ~ 45 ℃

  Humidity: <85% RH

7, Divided voltage ratio: 1000:1 or (according to customer requirements)

Power supply: AC110V/115V/120V/127V/220V/230V/240V optional

Input frequency: 50Hz/60Hz optional

Note: Our users can ｓelect the corresponding power which based on their local supply voltage ａnd frequency, ａnd we will confirm it before the delivery (or inform us that the goods will be used in which country advance)