好男人好资源电影在线播放,纯情房东俏房客动漫,狠狠色噜噜狠狠狠狠色综合久av ,国产国产乱老熟女视频网站97

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(hào)-2
99久久久无码国产精品6| 脱岳裙子从后面挺进去视频| 扒开她的内裤把她摸出水口述| 欧洲无人区卡一卡二卡三| 久久国产avjust麻豆| 被老师按在办公桌吸奶头| 成人性生交大片免费看r| 免费特黄特黄的欧美大片| 国产亚洲精品久久久久蜜臀| 印度肥妇黑毛bbw| 张栢芝被柔到高潮下不了床| ass日本乱妇ass| 色欲色av免费观看| 农村艳妇疯狂做爰| 灌满精撞击小腹鼓起h| 青青草国拍2018| 捏胸吃奶吻胸有声动态图| 富婆被大肉楱征服小说| 玉蒲团之性战奶水武则天| 疯狂揉肉蒂高潮h失禁视频| 男女无遮挡猛进猛出免费视频| 中文字幕 亚洲精品 第1页| 亚洲免费人成在线视频观看| 极度另类freesex强行真实| 性做久久久久久免费观看| 亚洲砖码砖专无区2023| 午夜免费福利小电影| gogo全球高清大胆国模| 久久久久波多野结衣高潮| 伊人久久大香线蕉影院| 欧美vpswindows另类| 小小水蜜桃在线观看视频| 国模欢欢销魂全过程| 俄罗斯18美女裸交| 性色av蜜臀av色欲av| 草草影院发布页| 免费观看全黄做爰的视频| 99久久99久久精品国产片果冻 | 少妇bbw撒尿| 我和麻麻啪啪小说合集| 国产老妇伦国产熟女老妇视频|