高電壓小電流試驗儀（耐電弧試驗儀）-（計算機控制）
產(chǎn)品名稱：耐電弧試驗機
產(chǎn)品型號：NDH-A
滿足標準：GB/T 1411-2002《固體絕緣材料耐高壓低電流電弧放電的試驗》（等同IEC 61621-1997）及ASTM D495等標準的要求設計制造的，并符合IEC 149、UL 746A等試驗方法
一 概述
主要適用范圍及功能：
本試驗機是按照應用于電機、電器和家用電器等行業(yè)的電工用塑料、樹脂膠和絕緣漆等絕緣材料的耐電弧性能評定，主用于固體絕緣材料如：塑料、薄膜、樹脂、云母、陶瓷、玻璃、絕緣油、絕緣漆、紙板等介質的耐電弧性能測試；
本試驗機由計算機控制運行，可以顯示當前實驗狀態(tài)及實驗時間，實驗結束后并保存當前實驗數(shù)據(jù)，并可打印.標準實驗報告。
二 功能特點
1 本機為上下一體結構，下部為操作系統(tǒng)，上部為試驗箱。
2 本產(chǎn)品采用智能控制技術，通過選擇程序（IEC或ASTM）可自動進行試驗，并在電腦上顯示試驗過程和結果。
3 安全性能良好，抗*力強，測試精度高。
三 主要技術參數(shù)
1 電弧通斷時間誤差：小于 ±10ms
2 調壓器容量：2kVA
3 額定試驗電壓：12.5kV
4 試驗電壓精度：±3%
5 電流控制精度：±10% 電流測量精度：1.5%
6 電極對試樣壓力：（0.5±0.05）N
7 電極材料：鎢棒
8 電極距離：（6.35±0.1）mm（IEC）
（6.0±0.1）mm（ASTM）
9 使用環(huán)境溫度：（23±2）℃
10 使用環(huán)境濕度：（50±5）%
11 電源：220V±5% 50Hz 10A
12 試驗 方法： 國標/美標/10 mA 連續(xù)/20 mA 連續(xù)/30 mA連續(xù)/40 mA連續(xù)
13 試驗程序如下：
程序段
電弧電流
mA
電弧通斷時間s
各程序段持續(xù)時間s
試驗總時間s
IEC 61621
ASTM D495
1
10
1/8s通 7/8s斷
1/4s通 7/4s斷
60
60
2
10
1/4s通 3/4s斷
1/4s通 3/4s斷
60
120
3
10
1/4s通 1/4s斷
1/4s通 1/4s斷
60
180
4
10
連續(xù)通
60
240
5
20
連續(xù)通
60
300
6
30
連續(xù)通
60
360
7
40
連續(xù)通
60
420
四 配置
序號
名稱
數(shù)量
備注
01
耐電弧測試儀
一臺
02
電極系統(tǒng)
一套
03
電極支座
一套
04
電源電纜
一套
05
接地放電棒
一支
06
電流毫安表
一臺
07
電腦測控軟件
一套
08
試樣架
一支
09
電極距離標準塊
2塊
10
角度標準塊
2塊
11
陶瓷片
2片
12
噴墨打印機
1臺
品牌
13
計算機
1臺
品牌
14
使用說明書
1份
15
合格證
1份
五 產(chǎn)品型號：
NDH-A 耐電弧試驗儀-微機控制
NDH-B 耐電弧試驗儀-觸摸屏控制
High voltage low current tester (arc resistance tester) - (computer control)
Product Name: arc resistance test machine
Product type: NDH-A
Meet the standards: GB/T 1411-2002 "test of solid insulating materials of high low current arc discharge" (= IEC 61621-1997) and ASTM D495 standard requirements of design and manufacturing, and in accordance with the testing method of IEC 149, UL 746A
An overview
The main scope and function:
This tester is according to the arc resistance performance evaluation is applied to the motor, electric appliances and household appliancesindustries such as electrical plastic, resin glue and insulation paint,insulating material, used for the main materials such as solid insulation:plastics, film, resin, mica, ceramic, glass, insulating oil, insulating paint,paper and other media. Arc resistance test;
The testing machine controlled by computer, can display the currentexperiment condition and experiment time, and save the current experimental data after the end of the experiment, and can be printed. The standard test report.
Two features
As one of the structure under 1 the machine, the lower for the operating system, the upper chamber.
2 of the products using the latest inligent control technology, through the choice of program (IEC or ASTM) can be automated test, and display thetest process and results in the computer.
3 good safety performance, strong anti-interference ability, high test precision.
Three main technical parameters
1 arc on-off time error is less than ± 10ms:
2 pressure regulator capacity: 2kVA
3 of the rated voltage test: 12.5kV
The test voltage accuracy: 4 ± 3%
5 current control accuracy: ± 10% current measurement accuracy: 1.5%
The 6 electrode of the sample pressure: (0.5 ± 0.05) N
7: tungsten electrode materials
The 8 electrode distance: (6.35 ± 0.1) mm (IEC) (6 ± 0.1) mm (ASTM)
9 the use of environmental temperature: (23 ± 2) ℃
10 the use of environmental humidity: (50 ± 5)%
11 Power: 220V ± 5% 50Hz 10A
Method 12: GB / American Standard /10 mA /20 mA /30 mA /40 mA continuous continuous continuous
13 test procedures are as follows:
Program of arc current
MA arc on-off time s the procedures section of the total duration of the test time of S S
IEC 61621 ASTM D495
110 1/8s 7/8s 1/4s 7/4s off 6060 break
210 1/4s 3/4s 1/4s 3/4s off 60120 break
310 1/4s 1/4s 1/4s 1/4s off 60180 break
410 continuous through 60240
520 continuous through 60300
630 continuous through 60360
740 continuous through 60420
The four configuration
Name number note
01 arc resistance tester table
The 02 electrode system
The 03 electrode holder is a set of
A set of 04 power cable
The 05 grounding discharge rod a
06 milliammeter a
07 computer measurement and control software package
A 08 sample holder
The 09 electrode distance standard block 2
10 point standard block 2
11 ceramic tablets 2 tablets
12 inkjet printer 1 brand
13 computer 1 brand
14 Manual 1
15 1 Certificate
Five model:
NDH-A arc resistance tester - microcomputer control
NDH-B arc resistance tester - touch screen control
