1, Merck Millipore
U.S. brand machine, Millipore machine quality is very good, the technology is also quite mature, the shortcomings are also very obvious, Millipore water machine feed is mostly used in most of the distilled and purified water as water, you need to purchase a separate system to make pure water equipment, usually can not be done to achieve a one-stop-shopping service. And can use municipal tap water as feed water Millipore machine costs above very expensive, the general laboratory is difficult to accept its expensive price.
In addition, Millipore machine consumables cost is very expensive, daily replacement of consumables will cause a lot of capital expenditure, in general, for the laboratory is not cost-effective.
2, Thermo Thermo
American brand machine, domestic in Suzhou, Guangzhou, Beijing, Shanghai and other places have factories, the company mainly produces laboratory equipment, analytical instruments, consumables and other content, although it is a foreign brand, but its production are in the country, but because of hanging is the U.S. brand effect, so it adds the laboratory ultrapure water machine compared to domestic brands Machine price is much higher.
3, seepage source
National brand laboratory ultrapure water machine, but also in recent years the rise of laboratory ultrapure water machine, the rise of the latter, the domestic development momentum in recent years is good, there are after-sales service teams throughout the country, compared to the market is currently the common three-pass pre-processing system, the seepage of the source of ultrapure water machine using a more effective four-pass pre-processing system, the new chlorine bar can better Chlorine ions can be better dealt with to ensure the quality of incoming water, reduce the loss of the machine to speed up the speed of water production, technical specifications, seepage source brand laboratory ultrapure water machine in the performance of the imported products, the same in terms of price is also a lot more favorable than the imported ultrapure water machine.
4, Sedolis
Germany imported brand models, is the German Sedolis Group development under the addition of products, Germany Sedolis Group has the world's father of the balance of the beauty of the name, is the world's bio-market, biotechnology, the leader in weighing. Its laboratory ultrapure water machine in the quality will not have any quality problems, but the price is a bit prohibitive, as with Millipore, due to foreign production of its cost and consumables replacement price is more expensive.
5, Elger
British imported brand machine, Elger machine quality is no problem, the disadvantage is that the domestic market share is small, after-sales maintenance costs are high, resulting in the user in the late maintenance each year, you need to spend a lot of money on consumables replacement costs.