日本精品久久久久中文字幕,亚洲一区 日韩精品 中文字幕,熟妇高潮精品一区二区三区,影音先锋女人AV女色资源

     
  中文版 English
 
Hot news:
  News
  Company news
  Industry News
  Current news
Hot Product
IPX1 IPX2 Drip Waterproof Test...
UL1439 Sharp Edge Tester
BND-TPK05 IEC 60529 Test Probe...
IEC62368 test probe kit BND-TP...
IEC 61032 Standard Test Probe ...
IEC60320 EN60320 Appliances co...
UL 498 Standard Plugs and Rece...
IPX1 to IPX4 Drip rain test an...
Vertical horizontal vibration ...
IP5X IP6X Sand and dust proof ...
climate constant temperature a...
IPX1 to IPX9 waterproof testin...
 
 
Industry News
Home  -  News  -  Industry News
how to test IEC 60335 Ball Pressure Apparatus?
From: BONAD  Date: 2024-01-05 16:14:33

Appliance:

The ball pressure is a specified testing machine designed in compliance with standards for ball Pressure test to 

test heat resistance of nonmetallic material.  It is ideal for heat resistance tests in electrical equipment and components, non-ceramic solid electrical insulating materials, etc.

 

Technical parameters

1. load: 20N±0.2N

2. material: 304 stainless steel

3. steel ball: bearing steel R2.5mm    ISO 3290

4. foothold: 50×100  2.5×25mm

5. standards: IEC60335,IEC60695

(This ball pressure tester suits for high temperature box)

how to test?

the ball pressure test is put specified Ball (R2.5mm) and total test force 20N ± 0.2N on the ball pressure tester which is in the form of horizontal state and placed on the sample surface in heating tank. in specified temperature , after 60min + 2min / 0min, then quickly put the sample (<10s)  in the 20 ℃ ± 5 ℃ water for cooling 6min ± 2min. After taking from water, measure sample surface indentation diameter within 3 min. depending on whether the indentation diameter is more than 2mm to assess the ability of the test heat distortion under the temperature prescribed.

SHENZHEN BONAD INSTRUMENT CO.,LTD, is a high-tech company in China, BONAD quality system has been strictly certified by ISO9001:2015. As a CIE Membership.
Our main products are Test Equipment, Electrical Safety Tester, Environmental Chamber, Temperature Chamber, Climate Chamber, Thermal Chamber, Salt Spray Test, Dust Test Chamber, Waterproof Test, accessibility test probe and test finger, Glow Wire Test and Needle Flame Test,freezing load test package, soil moisture sensor, all kinds of gauges and so on.
BONAD have gathered lots of experienced researchers and administrators on this field. BONAD products are manufactured strictly in accordance with various EN, IEC, CE, UL, VDE, VS, JIS, ISO, CEE, BS, FMV, GB and other similar international standards. All products can pass CE certificate and authenticated by the third party lab.

Please feel free to contact us if you need any support.
sales Dep:Alice@szbonad.com,
Cell/WhatsApp:+8613380391156

 
 
Home  |  Products  |  News  |  About us  |  Feedback  |  Contact us  |  
Copyright © 2008-2015 Hong Kong Bonad Technology Limited | Shenzhen Bonad Instrument Co., LTD. All Rights Reserved.
 
    Add:C505, Hongdu Building,Bao\\\'an45 district,Shenzhen,518101,Guangdong Province,China    Tel:+86-13380391156    Fax:0755-23721200    Email:Alice@szbonad.com
 
主站蜘蛛池模板: 国产麻豆剧传媒精品国产av| 尤物在线精品视频| 亚洲色欲久久久综合网东京热| 91精品国产福利在线观看麻豆| 亚洲国产精品99久久久久久观看| 性感美女18禁图黄片| 亚洲性爱自拍网| 尤物视频在线观看| 国产精品一区二区资源| 成 人AV亚洲| 久久久久久无码大片a片| 少妇又紧又深又湿又爽视频| 人人妻人人添人人爽欧美一区| 午夜视频在线播放| 国产精久久一区二区三区| 亚洲国产AⅤ美女黄网站东京热一| 99精品一区二区三区无码吞精| 91欧美精品综合在线观看| 激情小说欧美图片| 久久精品无码专区免费青青| 久久婷婷五月综合色精品| 国产免费人成视频在线播放播| 色色先锋123| 久久久国产打桩机| 国产综合成人久久大片91| 女人天堂在线视频免費資訊| 紧缚令嬢美咲Aⅴ作品免费观看| 久久久久99精品成人片果冻传媒| 少妇厨房愉情理伦bd在线观看| 国产在线不卡一区免费视频| 中文字幕精品久久久久人妻红杏1| 日韩精品免费| 第一色色 资源网| 女邻居丰满的奶水在线播放| 精品久久久无码中文字幕| 亚洲av无码专区在线播放中文| 免费观看很黄很色很爽的视频| 日韩人妻无码一区二区三区| 亚洲欧美电影制服一区| 爱看国产午夜福利电影| 亚洲欧美色一区二区三区|