南澳电气 NABZ全自动CT变比测试仪 **采用电压测量法,体积小重量轻,便携
8500.00/台
湖北-武汉市
最小起订≥1台
供货总量99999台
有效期长期有效
产品详情推荐
产品属性
型号
NABZ
品牌
南澳电气
用途
适用于从几十安培至几万安培的所有电流互感器。所有电磁式电压互感器。
主要特点
体积小重量轻,便携式,满足现场工作轻便性要求
主要参数
变比测量范围5A/1A-------5000A/1A
尺寸
280mm*220mm*120mm
所有参数

产品简介

根据JJG313-94《测量用电流互感器》,JJG313-93《测量用电压互感器》要求互感器交接时和更换绕组后必须进行现场变比检查试验。

常规互感器变比的检查方法是电流法,从原理上讲是一种容易理解可行的检查方法,但是随着系统容量的增加,电流互感器的一次电流越来越大,**可达数万安培;现场加电流至数百安培已有困难,数千安培或数万安培几乎不可能,况且体积**,重量重达几百公斤或几吨,现场使用更为困难,如采用小电流法,由于电流互感器磁感度、线性度、阻抗、漏抗的影响会使电流互感器误差骤增,失去了变比检查的意义。

体积小、重量轻、测量范围广、便于携带,适于现场使用的电流互感器变比测试仪越来越成为互感器测试工作的必备手段。NABZ 互感器变比极性测试仪就是南澳电气公司总结国内外互感器特性,运用目前**研究理论及成果,结合现场使用的要求研制而成的。

产品别名

CT变比极性在线检测仪,高压互感器变比测试仪、高压CT变比测试仪、高低压CT变比测试仪、高低压互感器变比测试仪、带电测量高压CT变比测试仪,高压CT变比测试仪

产品特性

1、**采用电压测量法,体积小重量轻,便携式,满足现场工作轻便性要求。

2、电压波形由单片机程序产生,干净纯正,免除了电网干扰。

3、内部采用恒压源,读数稳定。

4、适用于从几十安培至几万安培的所有电流互感器。所有电磁式电压互感器。

5、能直接显示变比值。

6、电子法测量互感器极性,简单直观。

产品参数

项    目

参    数

工作电源输入

AC220V/50Hz

变比测量范围

5A/5A------25000A/5A

5A/1A-------5000A/1A

电磁式电压互感器全系列

测量精度

0.2%

体    积

280mm*220mm*120mm

重    量

2Kg



Product introduction

Differ from the traditional structure, specially for measuring high and low voltage secondary circuit of a current,variableratio, relativetoother, polarity, leakage current and well-designed. Using the latest CT technology and mask figures integration technology. By a dedicated high voltage detector, lowcurrent clamp,the host,highvoltage insulation rod, monitoring software and other components, and its wireless transmission of test data can penetrate obstacles to multi-storey buildings, lineartransmissiondistance up to30meters. If you do not use insulated rod, but also can be used as high-precision voltage clamp meter, leakage current meter can accurately measure 0.00mA ~ 1000A currentor leakagecurrent.

Also called name

CT ratio polarity line detector, high voltage transformer ratio tester, high voltage CT ratio tester, high voltage CT ratiotester,highvoltagetransformer ratio tester, live measurement of high voltage CT ratio tester, high CT ratio tester

The Characteristics of the products

1.Current clamp is made of special alloys , using the latest CT technology and magnetic shielding technology , not affected byexternalmagneticfield,to ensure uninterrupted year-round monitoring of high-precision, high stability, high reliability.

2.More clearly with blue LCD display and large storage space, can store 3000 groups of data .

3.Monitoring software with an online real-time monitoring and historical inquiry , dynamic display, waveform indication ,ratio,frequency indication,with the maximum, minimum , average indication with alarm settings and alarm indicator, historical data read , inspection , preservation, analysis, processing , sorting,curvefitting ,reports,printing and other functions .

4.High-pressure detector connected to the insulating rod can be used for the following 60KV high voltage line current measurementsonboth sides ofthecurrent transformer size , ratio test , on-line current monitoring , and its special high-voltage current clamp by pushing or pulling back or insulating rod can easilyclampevacuation measured wire,time-saving shortcuts , widely used in substations and industrial and mining enterprises ﹑power plants , inspection station, electricalmaintenancedepartment for current sensing ,electricalinspectors , field operations, such as electricians . Lightweight insulating rod with a moisture- impact , bending resistance, high temperatureresistance,high insulation , easy check data,so on.

The parameters of the products

Function

High and low voltage secondary circuit of a current ratio, polarity , phase types, leakage current online monitoring ;transformersidesthecurrent size , ratio -line monitoring

Power source

 DC6V alkaline batteries (1.5V AAA × 4) approximately 30 hours of continuous work

Test methods

Clamp CT

Transmission

Wireless transmission, transmission distance of about 30m straight line

Display Mode

LCD: 128dots × 64dots; blue backlight function , suitable for dark places

LCD Size

Display field : 44mm × 27mm

Meter size

Host : width height thickness 75mm × 170mm × 30mm
Voltage tester : width height thickness 76mm × 255mm × 31mm
Low Current Clamp : Width height thickness 63mm × 160mm × 23mm

Jaw size

 Voltage tester : φ48mm
Low current clamp : φ30mm

Sampling rate

2 times / sec

Measuring range

High voltage detector : 0.0mA ~ 1000A
Low Current Clamp : 0.00mA ~ 10A

Resolution

High voltage detector : 0.1mA; Low Current Clamp : 0.01mA

Gearshift

Automatic gearshift

Primary circuit test accuracy
23 ℃ ± 3 ℃, below 80% RH

0.0mA~10.0A:       ±1%±5dgt 

10.0A~49.9A:      ±2%±5dgt 

50.0A~199.9A:     ±3%±5dgt

200A~600A:        ±4%±5dgt   

601A~1000A:       ±5%±5dgt  

Secondary circuit test accuracy
23 ℃ ± 3 ℃, below 80% RH

0.00~10A:  ±1%±5dgt

Ratio

Three kinds of variables than the display : ( a secondary circuit measured current ratio ; commuted to the secondary circuit 5A ratio;tothe10kV-YY transformer 10kV/380V commuted ratio ) , the maximum ratio of 1:1 ten million ( 1.0K7)

Data storage

3000 groups , press the HOLD key to keep the data and numbered storage automatically (not affact by replace the batteryorasuddenbrownout)

Line Voltage

The following 60kV line test ( must be insulated with 5 lever operation )

Data Hold

Press HOLD to hold the data , HOLD symbol is displayed , press the HOLD button to cancel maintained

Data checking

Press HOLD + POWER key to enter the Data Recall Mode

Overflow Show

Overrange overflow function : "OL A" symbol is displayed

No signal indication

When the host transmits a signal is not received prompt " No Signal"

Automatic shutdown

About 15 minutes after the start , the meter will automatically shut down

Battery voltage

When the battery voltage is lower than 4.8V, low battery symbol appears , replace the battery alert

Instrumentation quality

Host : 240g ( with battery )
High voltage detector : 335g ( with battery )
Low current clamp : 170g
Instrumenttotal mass :2.8Kg ( including insulation rod and battery )

Outside interference

No particularly strong electromagnetic fields ; without 433MHz, 315 MHz co-channel interference

Working temperature and humidity

-25℃~45℃;below 80%Rh

Storage Temperature and Humidity

-10℃~60℃;below 70%Rh

Insulating rod dimensions

φ32mm, 1m / section ( 5 standard ) , can be extended .

Low current clamp wire length

 Standard 2 m ( distance can be lengthened according to the site )

Dielectric Strength

High voltage detector : AC100kV/rms ( Section 5 insulating rod with high current clamp clamp core )
Host and low-voltage current clamp : AC1000V/rms

Structure

Drip Ⅱ type ( high voltage detector )

Safety Rules

IEC1010-1, IEC1010-2-032, Pollution degree 2, CAT Ⅲ (600V),IEC61326(EMC standard )

Accessories

Clamp : 1 ; Receiver: 1 ; current clamp : 1 ; Disc : 1 ; RS232 communication cable : 1 ; meter box : 1 ; insulating rod ( 1 m ):5;batteries (LR03) : 8

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南澳电气(武汉)有限公司
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2004成立时间
500万注册资本
51-100人公司规模
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电话027-87677658

传真027-87677658

手机15327206266

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地址东湖高新技术开发区关山大道

工商信息
统一社会信用代码91420100MA4KLYTB4P
成立日期2016年02月24日
组织机构代码MA4KLYTB4
经营状态存续
法定代表人余世家
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更新时间:2024-05-17
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产品属性
型号
NABZ
品牌
南澳电气
用途
适用于从几十安培至几万安培的所有电流互感器。所有电磁式电压互感器。
主要特点
体积小重量轻,便携式,满足现场工作轻便性要求
主要参数
变比测量范围5A/1A-------5000A/1A
尺寸
280mm*220mm*120mm
重量
2Kg
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