After years of experience accumulation and technological innovation, our equipment has been at the forefront of the lab water filtration systems, CAP CLSI Type I high pure water system, double ro di water purifcation industry. The equipment is not only sold throughout the country, but also exported to more than 20 countries and regions around the world. Favor and praise from users. We believe that integrity is the foundation of the company, and high-quality products are the guarantee of the company's sustainable development. Our company advocates to take the customer as the center, strictly control every link of production, and provide reliable and stable products, professional and efficient services for customers with the concept of concentration, profession and concentration. We have strengthened our diversified business layout through business innovation and integration of quality industrial resources. Adhering to the business philosophy of 'reputation first, quality first and service first', we aim to make friends from all over the world, devote ourselves to various needs of customers and help them upgrade their value.
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-S series ultrapure water system is superior choice of ultrapure water’s mass usage for high grade experiments.
With tap water inlet, its output ranges from 45 to 125 liters/hour. It can produce single stage RO water and ultrapure water. The single stage RO water’s ion rejection rate is more than 97%, 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.

Models:
Medium-S 300 / 400 / 600 / 800
Medium-S 300 / 400 / 600 / 800UF
Medium-S 300 / 400 / 600 / 800UV
Medium-S 300 / 400 / 600 / 800UVF
Features and Advantages
Micro-computer control system with LCD display LCD (resolution: 240×128, dimension: 106×57mm), intuitively display the system running state and various real-time parameters. |
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Comprehensive monitoring system 3 way online water quality sensor, detect the quality of feed water, RO water, deionized water, or ultrapure water respectively. And warn once water quality´s standard exceeding. Water dispensing function- timing and quality (time range: 1-99min, water quality range: 0.1-18.2MΩ.cm).water. |
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High-capacity and easy-to-replacing cartridge High-capacity and independent cartridges design, with fast inserted adapters, easy to replace, and achieve running in the lowest cost. |
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Built-in 2 water tanks Built-in 2 set 15 liters airtight plastic pressure water tank, save more lab space, easier for installation and maintenance. |
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Stainless steel shell With powder painting technics, achieve elegant appearance and meeting GLP standard. |
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Cartridges replacing alarm function, based on time and water quality, show cartridges´ used and residual life.
Multiple alarm function: no feed water, full water, water quality´s standard exceeding, and cartridge life ending.
Auto self-flushing of RO membrane function, extend RO membrane´s life.
Auto running data storing function through RS232/USB communication port to computer for 1 year at least (optional).
Level II password, protect all the parameters setting, and prohibit any unauthorized setting change.
External water tanks is optional to meet different need and assure ample water-supply.
Floor type with wheels on the bottom design, convenient to move.
3 door and easy-to-replacing cartridge design, convenient to maintain system and replace cartridges.
Tube and adapter with NSF authorization and top quality, reduce TOC level and assure ultrapure water´s quality.
Long life and high-capacity pretreatment (including PP fiber, and active carbon cartridge), effectively protect RO membrane.
RO module with DOW´s membrane, ensure long life, stable operation and high desalinization rate.
Special high-capacity ultrapure polishing technology, to optimize pure water quality maximumly with minimum resin. With DOW´s top polishing resin, ensure ultrapure water´s quality up to 18.2 MΩ.cm, with the lowest TOC level.
Double wavelength (185&254nm) ultraviolet lamp module, restrain bacteria´s increase and reduce TOC.
MWCO 5000D ultrafiltration module, effectively eliminate endotoxin, and suitable for precise cell cultivating and IVF.
0.2µm PES terminal disinfection filter, assure that terminal pure water is absolutely axenic.
Flow Schematic

Specifications
Model | Standard | Eliminating endotoxin | Low TOC | Synthesizing |
Medium-S | Medium-S | Medium-S | Medium-S | |
Output (25°C)* | 300 series: 45 liters/hour, 400 series: 63 liters/hour, | |||
Pure water outlet | 2: reverse osmosis water, ultrapure water | |||
Ultrapure water quality | ||||
Resistivity (25°C) | 18.2MΩ.cm | |||
TOC* | <10ppb | <10ppb | <3ppb | <3ppb |
Bacteria | <0.01cfu/ml | |||
Particle (>0.2µm) | <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 |
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 70Kg | |||
Electrical requirements | AC110-240V, 50/60Hz | |||
Power | 300/400 series: 120W, 600/800 series: 240W | |||
Standard configuration | Main body (Including 1 set of cartridge) + 2 set built-in 15 liters pressure tank | |||
Remarks:
*The value will be influenced by temperature and feed water’s quality.
Cartridges
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 |
Remarks:
*The quality of inlet water will effect cartridge’s life.
*When inlet water’s TDS>200ppm, Replace term of filter will be suggested to decrease, or outside pre-filter is added. Or water quality and life of ultrapure cartridge will be affected.
HHitech-Products
Designing and manufacturing under ISO certification, top quality controlling commitment, ensure compliance with CE standards of EU, guarantee completely meeting with the highest grade I water standards of ASTM, CAP, CLSI, EP and USP.
HHitech-Service
As a responsible manufacturer with rich experience, operating in good faith, and the concept of common development, adhering to the customer-oriented and customer-needs, HHitech promises to provide professional comprehensive pre-sales and after-sales service in the whole business.
■ 12 months warranty except for consumables.
■ Timely guide for installation, usage and maintenance.
■ Free and continuous upgrade service for sold products.
Customers recognize the consistent outstanding quality of our company's Industrial Ultrapure Water Treatment EDI System and always tend to buy our products. Our company has been constantly improving the level, so that the management service is humanized and the management team is professional. Our company adheres to the corporate spirit of 'loyalty, benevolence, diligence, and innovation', has gathered a large number of outstanding talents and established a strong core leadership team.
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