大香线伊人情人综合视频_欧美少妇色图视频_国产无套乱子伦精彩是白_污软件下载网站_午夜福利麻豆精品_她张开腿让我用力捅视频_精品乱伦国产综合_超碰在线97免费中文字幕_中文字幕aⅴ一区_日本一区不卡二区在线

• Novel design, compact structure, small size, light weight, easy to carry;
• Compared with the common sampler, the device has wider sampling flow range, higher flow stability and measurement accuracy;
• The instrument is operated by touch screen, the interface is clear and beautiful, and the operation is simple and clear, which is convenient for customers to use;
• The device is equipped with leak detection function to ensure the sampling quality;
• The device can store up to 700 sampling records according to the label of sampling tube;
• The sampling tube of the device is equipped with constant temperature heating to ensure the adsorption efficiency of the sampling tube;
• The device adopts imported Parker brushless diaphragm pump, which has longer service life and stronger load capacity;
• It can accurately measure atmospheric pressure, ambient temperature, sampling flow and other parameters with high measurement accuracy;
• The instrument can sample manually or automatically, which is convenient for users;
• The calibration data can be backed up and restored to prevent the instrument from operating normally due to incorrect calibration operation;
• The sampling records can be inquired according to the adsorption tube number or viewed according to the sampling time.

Th-9310 atmospheric mercury sampler is a kind of sampling device that uses adsorption tube to collect gaseous mercury (including elemental mercury and oxidized mercury) in the atmosphere. It is easy to carry, and the sampling flow can be set arbitrarily within the range. It is widely used in road, environmental impact assessment and various kinds of sampling needs of mercury determination in the air.