97av,蜜桃视频下载,国产精品久久久久久婷婷,国产老妇伦国产熟女老妇久

     
  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
 
18禁黄无码免费网站高潮| 阜平县| 永久免费AV无码网站在线观看| 亚洲最大无码中文字幕网站| 影院大全| 老熟女大战农村熟妇91| 黑人巨大一区二区免费| 久久男人AV资源网站无码| 国产精品国产三级国产专不?| 久久国产区| cao| 一区二区三区国产精品免费在线观看| 国产在线国偷精品产拍| 久久国产精品日本波多野结衣 | 成年男女免费视频网站无毒| 三级黄色片| 色爽av| 午夜精品人妻无码一区二区三区| 成A人片亚洲日本久久| 无码国产精成人午夜视频一区二区 | 亚洲色欲综合一区二区三区| 日日做夜狠狠爱欧美黑人| 午夜男女xx00视频福利| 午夜精品久久久久久久99蜜桃| xxx18| 色aaa免费在线| 亚洲AV成人无码久久精品巨臀 | 性日韩| 黄色av日韩| 女同互舔| 久久男人av资源网站| 欧美AAAAAA级午夜福利视频| 啊灬啊灬别停啊灬用力啊免费| 最近日本字幕mv免费观看在线| 亚洲AV伊人久久综合密臀性色| 国产成人午夜福利在线观看视频| 石泉县| adc影院| 欧美a| 四虎永久网址| 人人看人人|