日韩欧美一级特黄大片,无码AV片在线观看免费,亚洲AV成人无码精品网站,九九在线视频免费观看精品视频

     
  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
 
2021国产精品自在自线| 国产美女裸体视频全免费| 抽插肥嫩小穴的视频| 九九视频免费在线观看| 青青操成人版性视频| 国产精品三级一区二区| 伊人网在线免费视频| 日韩视频无码日韩视频又2020| 91污在线观看一区二区三区| 大鸡巴插入阴道视频| 搞段B片黄色全免费看看| 成人高清在线播放一区二区三区| 少妇被黑人到高潮喷出白浆| 欧美 日韩 亚洲 熟女| 国产一区二区三区在线观| 美女爽的嗷嗷叫免费| 亚洲一区二区三区四区国产| 骚片视频在线观看| 中文字幕在线资源第一页| 国产羞羞的视频在线观看| 中文字幕乱码一区二区三区麻豆| 日本成人精品一区二区三区| 久久婷婷综合五月一区二区| 啊啊好想被大鸡巴操视频| 久久一区二区三区精华液介绍| 免费看澡美女逼视频看看| 下载风骚美女想吃大机吧| 国产精品亚洲综合av| 插我舔内射18免费视频| 翘臀小穴在线观看| 国产精品久久大屁股白浆| 国产精品三级一区二区| 久久精品伦一区二区三区| 国产欧美一二区不卡视频| 久久99国产中文| 韩国女主播一区二区视频| 3色w九九久久男人皇宫宕| 永久性日韩无码视频| 一区二区三区中文欧美| 激情五月六月婷婷俺来也| 老色鬼精品视频二区三区|