日本夜爽爽一区二区三区,国产又粗又猛又爽又黄,国产精品无码免费专区午夜,精品日本一区二区三区在线观看

Hotline:18857165617 Ms. Yang
Popular: Thermal desorption instrumentation ,Headspace sampler Purge and trapExtraction and distillationAtmospheric preconcentratorGas sampler and dynamic dilutor
Product

Atmospheric preconcentration

Home > Product > Atmospheric preconcentration
  

ZY-3400N Automatic low-temperature concentration device

brief introduction:

For:

Consultation Contact us

ZY-3400N Automatic low-temperature concentration device


Product Features

1、Adopting advanced electronic refrigeration devices (up to a minimum of -50 ℃)


2、Equipped with an adjustable vacuum pump, the sampling flow is more stable


3、Power-on self-test, fault alarm and prompt


4、Color touch screen, controlled by microcomputer program, with main functions including:


1) Method parameter setting, real-time display of working status, and running time


2) The desorption zone, injection valve, and sample transfer tube are all individually heated and controlled for temperature


3) Set up the analysis program and press the run button to automatically complete the entire sample analysis


4) GC and chromatographic data processing workstations can be synchronously started, and external programs can also be used to start this device


5、Adopting self-developed electronic cold trap technology and bipolar four layer refrigeration sheets, effectively improving cooling capacity and rapid heat desorption ability, and improving detection accuracy


6、Automatically achieve sample adsorption, desorption, injection, and backwash cleaning functions through time programming


7、The sample transfer tube and injection valve have automatic backflushing function to avoid cross contamination of different samples


8、In order to support imported gas chromatographs for more convenient and accurate use, this instrument is also equipped with dedicated interfaces for various imported instruments, making connection convenient


9、Equipped with an adjustable vacuum pump, the sampling flow is more stable


10、The instrument gas pipeline and sample transmission pipeline have undergone inert treatment internally to ensure that the sample passes through without adsorption


About Us
Company Profile
Appointment interview
corporate culture
Video Center
News
Company dynamics
Common problem
Product
PURGE AND TRAP SERIES
Headspace sampler
Thermal desorption
Gas generator
Consumables and accessories
Contact us
Add:Building 13,Zhongnan High-tech Electronic InformationIndustrial Park,Yanjiao Sanhe Langfang,Hebei,China.
EMAIL:info@bjzyyskj.com.cn
Tel:+86-010-61598028 18857165617 Ms. Yang
Fax:010-61598028-108
WeChat

Scan
Copyright ? 2018 Beijing Zhongyi Yusheng Technology Co., Ltd 京ICP備10046828號-2
人人妻人人澡人人爽精品日本| 小蓝视频在线播放观看| 乱公和我做爽死我了A片| 丰满女人又爽又紧又丰满| 女主播扒开屁股给粉丝看尿口| 办公室高潮秘书疯狂呻吟视频| SAO货撅起你的贱屁股来| 被猛男伦流澡到高潮H| 色AV综合AV综合无码网站| 7777久久亚洲中文字幕| FREE性VIDEO另类重口| 久久AV无码专区亚洲AV桃花岛| 我的变态室友(H)三攻一受| 浴室高潮BD在线观看| 插不进去怎么办| 男生把手放进我内裤揉摸好爽| 久久久AV波多野一区二区| 日产A一A区二区| 久久久老熟女一区二区三区| 被吊起来张开腿供人玩弄| 久久精品国产精品亚洲色婷婷| 亚洲娇小与黑人巨大交| 亚洲国产成人精品女人久久久| 被带到调教室刑床惩罚挠痒痒作文| 国产精品美女久久久久浪潮AV| 最近中文字幕完整在线看一| 女人被狂躁的高潮免费视频| 美国ZOOM动物| 强行扒开双腿猛烈进入免费版| 色婷婷AV一区二区三区麻豆| 欧美精品乱码99久久蜜桃| 国产影片中文字幕| 亚洲另类激情综合偷自拍图| 全免费A级毛片免费看表情包| АⅤ资源天堂资源库在线| 野战肉高H男友和闺蜜| 男男调教后菊撑开扩张A片| 2022久久精品国产色蜜蜜麻豆| 久久精品国产亚洲AV成人| 蜜臀AV夜夜澡人人爽人人| 免费观看视频APP|