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
狂猛欧美激情性XXXX大豆行情| 日本A级作爱片金瓶双艳| 国产偷抇久久精品A片蜜臀A| 国模少妇一区二区三区| 他扒开我的裙底把舌头伸进去| 一本一道波多野结衣AV中文| 波多野结衣在线视频| 妺妺坐在我腿上勃起弄了视频| 50岁退休熟女露脸高潮| 久碰人妻人妻人妻人人掠| 亚洲精品久久国产高清| 无码精品人妻一区二区三区AV| 处破痛哭A√18成年片免费| 最近日本MV字幕免费高清在线| 日韩国产精品无码一区二区三区| 精品无码一区二区三区在线| 我被继夫添我阳道舒服视频| 少妇人妻一区二区三区视频| 女人被弄到高潮的免费视频| 久久久久久亚洲精品无码| 亚洲日本VA中文字幕久久| 风韵犹存岳厨房激情| 无码精品人妻一区二区三区AV| 欧美激情精品久久久久久| 无码熟妇人妻AV在线影片软件| 免费毛片在线看不用播放器| 英语老师的小兔子好大好软水| 美女做爰A片毛片AAAA| 精品白嫩BBWBBWBBW| 欧美精品V国产精品V日韩精品| 国产亚洲AV综合人人澡精品| 香蕉人妻AV久久久久天天| 亚洲成AV人片在线天堂无| 超碰CAOPORON入口| 亚洲精品久久久久AV无码| 亚洲色偷偷综合亚洲AVYP| 人妻无码中文字幕免费视频蜜桃| AAA级精品无码久久久国产片| 亚洲AV日韩AV永久无码下载| 中国A级毛片免费观看| 少妇一夜十三次精尽人亡|