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With LCD controlling system, 3 way water quality sensor, Dura series is sub-top choice of ultrapure water for high grade experiments.
With pure water or distilled water inlet, its output is up to 2 liters/minute. It can produce deionized water and ultrapure water. The deionized water’s resistivity is above 16MΩ.cm, and the ultrapure water’s resistivity absolutely reaches to 18.2MΩ.cm. It completely meets the highest grade I standard of ASTM, CAP, CLSI, EP and USP.
Flow Schematic
Model Standard Eliminating endotoxin Low TOC Synthesizing
Dura Dura F Dura V Dura FV
Output -ultrapure water Up to 2 liters/minute (less output with UF cartridge)
Ultrapure water quality  
Resistivity(25°C) 18.2MΩ.cm
TOC* <10ppb <10ppb <3ppb <3ppb
Bacteria <0.01cfu/ml
Particle(>0.1µm) <1/ml
Endotoxin N/A >0.001Eu/ml N/A >0.001Eu/ml
RNases N/A <1pg/ml N/A <1pg/ml
DNases N/A <5pg/ml N/A <5pg/ml
Deionized water quality  
Resistivity(25°C) >16MΩ.cm
Feed water requirements RO water, distilled water, deionized water, 5-45°C,1atm*
Dimension and weight Length×Width×Height:545×470×610mm / Weight: 20Kg
Electrical requirements AC200-240V, 50/60Hz
Power 240W
Standard configuration Main body (Including 1 set of cartridge)
*The value will be influenced by temperature and feed water’s quality.


Item no. Commodity Approximate replacement term /set
D-PP1 Pretreatment cartridge 2-6 months
D-AK KDF+ granular active carbon mixed cartridge 12 months
D-AC2 Active carbon block cartridge 6 months
D-RO-50 50 GPD reverse osmosis membrane 12-24 months
D-RO-100 100 GPD reverse osmosis membrane 12-24 months
D-RO-150 150 GPD reverse osmosis membrane 12-24 months
D-RO-200 200 GPD reverse osmosis membrane 12-24 months
D-Uvlamp-14W (254&185) nm wavelength uv lamp 9000 hours
D-Decart Mixed bed resin cartridge 5000 liters pure water
D-Pocart4 Ultrapure polishing resin cartridge 5000 liters pure water
D-Ufcart Eliminating endotoxin uf cartridge -
D-Tefit (0.45+0.1µm) terminal filter -

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