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With LCD controlling system, 3 way water quality sensor, cartridge replacing alarm, timing and quality dispensing, stainless steel shell, built-in 2 set pressure tanks, single stage RO system and 1 pump, Medium-Q series deionized water system is superior choice of deionized water’s mass usage for general grade experiments. With tap water inlet, its output ranges from 45 to 125 liters/hour. It can produce single stage RO water and deionized water. The single stage RO water’s ion rejection rate is more than 97%, and the deionized water’s resistivity is more than 10MΩ.cm, near to18.2MΩ.cm. It completely meets the requirements of general chemical or biological experiments for pure water.

Flow Schematic


Model Medium-Q300 Medium-Q400 Medium-Q600 Medium-Q800
Output(25°C)* 45 liters/hour 63 liters/hour 94 liters/hour 125 liters/hour
Pure water outlet 2: reverse osmosis water, deionized water
Deionized water quality        
Resistivity 10-18.2MΩ.cm
Bacteria <0.01cfu/ml
Particle(>0.2µm) <1/ml
RO water quality        
Ion rejection rate 97%-99% (new RO membrane)
Organic rejection rate >99%, when MW>200 Dalton
Particles and bacteria rejection rate >99%
Feed water requirements Tap water, temperature:5-45°C,pressure:1.0-4.0Kgf/cm2
Dimension and weight Length×Width×Height:640×540×1110mm / Weight: about 65Kg
Electrical requirements AC110-240V, 50/60Hz
Power 120W 240W
Standard configuration Main body (Including 1 set of cartridge)+2 set built-in 15 liters pressure tank
*The value will be influenced by temperature and feed water’s quality.


Item no. Commodity Approximate replacement term /set
PC-20PP 20" spun fiber cartridge 2-6 months
PC-20AC-G 20" granular active carbon cartridge 2-6 months
PC-20AC-B 20" active carbon block cartridge 2-6 months
RO-150GPD 150 GPD reverse osmosis membrane 12-24 months
RO-200GPD 200 GPD reverse osmosis membrane 12-24 months
RO-300GPD 300 GPD reverse osmosis membrane 12-24 months
RO-400GPD 400 GPD reverse osmosis membrane 12-24 months
RO-600GPD 600 GPD reverse osmosis membrane 12-24 months
PTC-AC-HZB1 Reducing TOC cartridge 9000 liters pure water
PTC-MBR-12L 12l mixed bed resin cartridge 20000 liters pure water
PTC-UPPR-12L 12l ultrapure polishing resin cartridge 20000 liters pure water
PTC-MBR-25L 25l mixed bed resin cartridge 40000 liters pure water
PTC-UPPR-25L 25l ultrapure polishing resin cartridge 40000 liters pure water
PTC-UPPR-M Ultrapure polishing resin cartridge 1000 liters pure water/set
TF-0.2µm-B 0.2µm terminal filter -
UF-5000D MWCO5000D UF cartridge -
LAMP-(185nm&254nm)-10W-M Double wavelength(185&254)nm uv lamp 9000 hours

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