欧美性猛交久久久乱大交,99久久久无码国产AAA精品,WWW.一本色道88久久爱,无码AV精品一区二区三区

技術文章

Technical articles

當前位置:首頁技術文章耐壓測試儀 簡介

耐壓測試儀 簡介

更新時間:2020-11-03點擊次數(shù):562

耐壓測試儀型號:YD2670B

YD2670B采用單片機控制技術 
操作簡便、性能可靠 
漏電流、測試時間撥盤設定 
可選配遠控工作方式
型號YD2670B
輸出電壓范圍0.2kV-5kV (AC)
電流設定范圍0.01mA-20mA(AC)
電壓準確度±3%
電流準確度±5%
變壓器容量500VA
測試時間1s-99s
顯示方式數(shù)字顯示
其他198V-240V AC 0℃-40℃,20%-85%RH
外形尺寸320×170×250(mm)
重量10kg

 

 

 

 

LFY-110 紗線動態(tài)摩擦系數(shù)測定儀

 

主要用途

用于測定紗線的摩擦特性,適應于化纖長絲及其它混紡材料紗線的動態(tài)摩擦系數(shù)的測定,亦可用于皮輥等紡織器材的摩擦系數(shù)測定,是評價長絲及紡織器材摩擦系數(shù)等*的測試儀器。

儀器特征

采用絞盤法(RoLor法)測試機理,直流電機作等速引力源。                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

高精度的測力機構;

3、可調(diào)的預張力機構;

4、全自動測試控制系統(tǒng);

技術指標

1、測力范圍及精度:0~500cN±1%

2、摩擦系數(shù)范圍:0<μ<1

3、摩擦角可調(diào)范圍:0度~360度

4、預張力范圍:0~24CN

5、紗線測試速度:100m/min

6、顯示內(nèi)容:速度、預張力、摩擦系數(shù)

7、電源、功率: AC220V 50Hz 300W

標準

ASTM D 3108-2013《紗線與固體材料之間摩擦系數(shù)試驗方法》

T/CNTAC 4-2017《紗線與固體材料之間摩擦系數(shù)試驗方法》

精品人妻无码一区二区三区不卡| 最刺激的交换夫妇中文字幕| 草草久久久亚洲av成人片| 亚洲中文字幕无码久久2021| 欧美疯狂做受xxxxx高潮| 免费真人视频网站直播下载| 大胆人体艺术| 中文字幕乱码一区二区欧美| 久久精品无码一区二区日韩av| 国产免费内射又粗又爽密桃视频| 嫩模超大胆大尺度人体写真| 久久久久亚洲AV无码A片| 精品一区二区三区在线观看| 丰满妇女bbwbbwbbwbbw| 将军猛烈顶弄h太子肉肉| 欧美 亚洲 另类 偷偷 自拍| 亚洲AV无码乱码在线观看性色 | 东京热av人妻无码| 国模无码一区二区三区| 国产国拍亚洲精品AV在线| 女教师被内谢流白浆| 女人扒开屁股桶爽30分钟高潮| 王妃暗卫肉h共妻大肉| 40厘米黑人与中国女人| 哭叫爽的翻白抽搐翻白眼| 亚洲国产精品网站在线播放| 亚洲人成色777777精品音频| 好爽又高潮了毛片免费下载| 校花被迫撑开颤抖高潮求饶| 挺进绝色邻居的紧窄小肉| 野花日本韩国免费视频6 | 一夜强开两女花苞| 强壮公弄得我次次高潮小说| 很黄的吸乳a片三男一女| 少妇┅┅快┅┅用力| 日韩人妻无码精品无码中文字幕 | 国产一区二区三区精华液| 免费看男男gay啪啪网站| 中文字幕乱妇无码AV在线| 性肥胖bwbwbw| 无码刺激性a片短视频|