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高精度无局放分压器

产品简介

NARP系列无局放分压器又称耦合电容器，主要用于无局放测试系统测量交流电压或采集局放电压信号，该系列分压器与普通分压器比较，有以下几个不同点：

1、都可以测量高压电压，但普通分压器不能测量无局放的高压电压；

2、普通分压器一般电容量较小（小于500pF），而NARP系列电容量较大，一般在600-1000pF；

3、普通分压器为干式介质，体积比较小，重量比较轻，测量准确度一般优于NARP系列；

4、普通分压器一般单独使用，NARP系列分压器一般与无局放电源一起配合使用；

产品别名

高压测试仪、数字高压表、高压测量仪、高压表、高压数字表、分压器、阻容分压器、静电电压表、高压分压器、交直流分压器、交直流高压表、交直流高压分压器、交流分压器、直流分压器、交直流两用高压测试装置、阻容式交直流分压器、交直流阻容分压器、交直流数字分压器、千伏电压表、千伏表、NAFRC型交直二用分压器

产品特性

1、NARP系列无局放分压器采用便携式设计，配行车小轮，便于移动；

2、无局放设计，高压金属罩上自带2个M10连接孔，方便连接负载；

3、配备低压臂，既可当分压器使用，又可以当耦合电容器使用，一机二用，性价比高；

4、底座喷涂金属垂纹漆，防锈防油；

产品参数

1、电容量：600-1000pF(特殊容量可以定做)；

2、电压等级：50-1000kV

3、局部放电量：额定电压下局放量小于等于3PC;

4、绝缘介质：电容油

5、用于工频电压下电力设备的局放测量；

6、测量30-300Hz交流高压、无局放测试中作为耦合电容器

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)