NAEF-H全自动仿真型互感器现场校验仪

 

产品简介

NAEF-H全自动仿真型互感器现场校验仪用于PT、CT的误差及阻抗、导纳测试。满足JJG313-94《测量用电流互感器检定规程》和JJG314-94《测量用电压互感器检定规程》的要求。

产品别名

互感器校验仪、互感器检定装置

产品特性

1、仿真型互感器现场校验仪采用320×240点阵液晶，可视范围大，带长寿命背光照明，方便使用

2、中英文操作界面，界面美观

3、百分表、比差、角差采用特大字体显示，方便用户观测

4、本公司生产的仿真型互感器现场校验仪完全满足JJG314-1993和JJG314-1994要求，自动采样

5、自动判断极性错误，变比错误

6、上位机软件具有虚拟仪器开放功能

7、彻底解决S级测量问题

8、自动切换量程

9、采用先进独特电路和DSP技术完美结合，彻底解除阻容移相电路不稳定的问题

10、功耗：＜15VA(不带微型打印机)

          ＜25VA(带微型打印机)

11、谐波抑制比：＞40db

12、外形尺寸(长×宽×高)：260×350×150mm3

13、重量：6kg

产品参数

1、设备使用环境

  1)温度：5℃～40℃；相对湿度：<80%(25℃时)  

    海拔高度：<2500m

    电源频率：50Hz±0.5Hz；电源电压：220V±5V

  2)测量范围：

    同相分量(%)：0.0001～200.0；分辨率：0.0001

    正交分量(分)：0.001～700.0；分辨率：0.001

    阻抗(Ω)：0.0001～20.0；分辨率：0.0001

    导纳(ms)：0.0001～20.0；分辨率：0.0001

  3)基本误差：

    同相分量：ΔX=±(X×2%＋Y×2%)±Dx(有1级可选)

    正交分量：ΔY=±(X×2%＋Y×2%)±Dy(有1级可选)

              “X”、“Y”——仪器的显示值

              “Dx,Dy”——仪器的量化误差

               Dx=2，Dy=5

  4)百分表：2级(有1级可选)

2、工作范围：

  1)电流：(1%～149%)In (In =5A)

          (5%～149%)In (In =1A)

  2)电压：(5%～149%)Un (Un =100V，150V，100V/)

          (5%～149%)Un (Un =100V/3)

3、工作负荷：

  1)电流：TO对TX＜0.12Ω cosΦ=1

  2)电压：a对x＜0.25VA (100V)

4、极性错误指示

当工作电流(电压)达到额定电流(电压)的5%以上，误差超过180%时，应有极性指示。

注意：如果大于额定工作电流(电压)的10%以上，仍未出现应有的极性指示，说明有故障，请不要再增加电流(电压)，以免烧坏仪器。

5、变比错误指示：

当工作电流(电压)达到额定电流(电压)的5%以上，误差超过30%而小于180%时，应有变比错误指示。

6、绝缘和耐压试验及说明：

  电源插座对外壳能承受1.5kV，一分钟耐压。

 

Product introduction

NAEF-H Simulator Transformer Test E specilized for testing PT, CT error and the impedance, admittance test. Meet national JJG313-94 "Measuring Current Transformer test procedures" and JJG314-94 "Measuring voltage transformer test procedures" re

Also called name

Transformer calibrator, transformer test e

The Characteristics of the products

1, Uses 320 x 240 dot matrix LCD, visible range, with a long-life backlight, easy to use

2, Entire English operation interface, attractive interface

3, Dial indicator, ratio difference, angle difference using large font display, easy to observation

4, Company's simulation-type transformer field calibrator fully meet JJG314-1993 and JJG314-1994 re, automatic sampling

5, Automatically determine the polarity of the error, the error ratio

6, PC software with virtual instruments open function7, S-Class solve measurement problem

8, Automatic switching range

9, Using unique circuitry and advanced DSP technology combine to completely remove the RC phase shifter circuit instability

10, Power consumption:<15VA (without micro-printer); <25VA (with micro-printer)

11, Harmonic rejection ratio:> 40db

12, Dimensions (L × W × H): 260 × 350 × 150mm3

13, Weight: 6kg

The parameters of the products

1 , Working environment

  1 ) Temperature : 5 ℃ ~ 40 ℃; Relative humidity :<80% (25 ℃ when )

    Altitude :<2500m

    Power frequency : 50Hz ± 0.5Hz; Supply voltage : 220V ± 5V

 2 ) Measuring range:

    Phase component ( % ) : 0.0001 ~ 200.0 ; Resolution : 0.0001

     component ( stars ) : 0.001 ~ 700.0 ; resolution: 0.001

    Impedance (Ω): 0.0001 ~ 20.0; Resolution : 0.0001

    Admittance (ms): 0.0001 ~ 20.0; resolution: 0.0001

 3 ) Basic error:

    Phase component : ΔX = ± (X × 2% + Y × 2%) ± Dx ( with an optional )

    Orthogonal components : ΔY = ± (X × 2% + Y × 2%) ± Dy ( with an optional )

              "X", "Y" - the instrument display

              "Dx, Dy" - the error of the instrument

               Dx = 2, Dy = 5

  4 ) dial indicator : level 2 ( level 1 available )

2, Scope of work:

 1 ) Current : (1% ~ 149%) In (In = 5A)

          (5% ~ 149%) In (In = 1A)

  2 ) Voltage : (5% ~ 149%) Un (Un = 100V, 150V, 100V /)

          (5% ~ 149%) Un (Un = 100V / 3)

3, Working load:

  1 ) Current : TO right TX<0.12Ω cosΦ = 1

  2 ) Voltage : a pair of x<0.25VA (100V)

4 , Wrong polarity indication

When the operating current ( voltage ) reaches the rated current ( voltage ) of more than 5% error for more than 180 %, the proper polarity indication .

Note: If greater than the rated operating current ( voltage ) more than 10% , should not appear polarity indication , there is a fault , please do not increase the current( Voltage ) , so not to start the instrument .

5 , Ratio error indication :

When the operating current ( voltage ) reaches the rated current ( voltage ) of more than 5% error of more than 30% but less than 180% , the proper ratio error indication.

6 , Insulation and pressure test and description:

  Terminal TX () terminals connected

  Power outlet on the casing can withstand 1.5kV, 1 minute pressure