国产一级a毛一级a看免费视频,久久久久久国产一级AV片,免费一级做a爰片久久毛片潮,国产精品女人精品久久久天天,99久久久无码国产精品免费了

尼克儀器有限公司真空攪拌器可在抽真空下攪拌生化試劑、藥品、香料，顏料等。擁有氣閥也可以加注惰性氣體進行交辦工作，可防止產品氧化產生氣泡。真空干燥、真空浸漬、檢漏等操作。真空狀態(tài)下加注液體物質、惰性氣體，同時可根據(jù)需求進行安裝加熱組件加熱。

特點：

真空維持時間長，30天減少5%

采用進口優(yōu)質聚碳酸酯注塑成型，重量輕、強度大

采用進口優(yōu)質硅橡膠密封圈，免用密封油脂

真空表，可直觀顯示真空度

采用進口精密針閥，進氣量可以微調

使用工作溫度 -25攝氏度~-120攝氏度

規(guī)格：

型號：NKV40-J

材質：主體,PC(聚碳酸酯)、硅膠密封圈

容許真空度：約133Pa（1mmHg）

針閥管徑：8mm

容積：約47L

外部尺寸：500mm*420mm*420mm

內部尺寸：400mm*350mm*350mm

重    量：15kg

Applied in fields of biochemisery, chemical industry, pharmacy , medicine and health,

Agriculture , scientific research and development , environmental protection ,etc.

• Constant temperature heating function:

Suitable for powder drying, roasting, and glassware sterilization and disinfection.

It is designed specially for instant drying of material with complicated components, which is thermo-sensitive,and easily decomposed or oxidized.

• Agitating function:

Agitating under vacuum to efficiently avoid bubble generation. Be able to inject inert gases to create a safe and protective environment.

• Specifications:

Long time vacuum maintenance:vacuum loss is less than 5% in 30 days

High qunlity imported polycarbonate for injection molding:lightweight and great intension

High quality imported silastic sealed ring:sealed grease free

Real-time vacuum meter:can visually observe the vacuum level

Dedicated imported precision needle valve:can fine tune the air flow

Working temperature:-25℃~120℃

Efficient,and safe vacuum drying process,especially for volatile liquids