The Center-EDI Series Ultrapure Water System is a state-of-the-art, advanced technology that provides the highest quality of ultrapure water, making it an ideal solution for laboratories, research facilities, and healthcare institutions. Made with high-quality materials, it is designed to ensure that there is no risk of microbiological contamination in the water during any stage of its production or distribution.
One of the main advantages of this ultrapure water system is its unique, innovative electrodeionization (EDI) technology. This technology combines ion exchange resins with ion-permeable membranes, to produce ultrapure water of a remarkable purity level, ranging from 16.0 to 18.2 megohms. This high level of purity is maintained with a constant flow of ultrapure water that ensures no bacterial growth in the system. The water may also be re-circulated, making it environmentally friendly.
In addition to its high level of purity, the Center-EDI Series Ultrapure Water System offers safety and reliability for your laboratory or research facility. The system includes a UV sterilization module and automatic flushing, which ensures that the water supply is always free of bacteria and other contaminants. The system also features a user-friendly control system that displays the essential parameters like temperature, flow rate, and resistivity, making it easy for users to monitor water quality and ensure the system's proper operation.
Another important advantage of this ultrapure water system is its low maintenance needs. Unlike traditional water systems that require continuous maintenance and chemical addition, the Center-EDI Series Ultrapure Water System has static parts that require minimal maintenance, reducing downtime and maintenance costs. The ultrapure water can also be used for a range of applications, from analytical testing to biological research, eliminating the need for multiple water systems in the laboratory.
The Center-EDI Series Ultrapure Water System is designed to meet the most demanding water requirements, making it one of the most reliable and cost-effective ultrapure water systems available. Its compact design ensures minimum installation space requirements, while its ease of installation and operation minimize the need for special training.
In summary, if you are a laboratory or research facility looking for a high-quality, reliable ultrapure water system, then the Center-EDI Series Ultrapure Water System is the perfect solution for you. Its powerful and innovative technology ensures the highest level of purity and safety while offering minimal maintenance requirements, cost-effectiveness, and user-friendly operation. For more information about this ultrapure water system, contact us today. We'll be happy to help you with all your product needs.
With 7.0 inch touch screen system, 3 way water quality sensor, 2 way flow sensor for quantified dispensing, 2 stage RO system and EDI module, Center-EDI series ultrapure water system is top choice of high flux ultrapure water for high grade experiments.
With tap water inlet, its output ranges from 45 to 90 liters/hour. It can produce deionized water and ultrapure water. The deionized water’s resistivity is above 10 MΩ.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.

Models:
Center-EDI 45/ 60/ 90
Center-EDI 45/ 60/ 90F
Center-EDI 45/ 60/ 90V
Center-EDI 45/ 60/ 90FV
Features and Advantages
Colorful touch screen 7.0 inch colorful high-resolution touch screen (16:9) controlling system, achieve finger-touch new experience. |
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Comprehensive monitoring system 3 way online water quality sensor, detect the quality of 1st stage, 2nd stage RO water, deionized water, Edi water or ultrapure water respectively. And warn once water quality´s standard exceeding. 2 way flow sensor, achieve quantified dispensing of 2nd stage RO water, deionized water, Edi water or ultrapure water |
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Integrate with EDI module (EDI model) Without softener, chemical regeneration and replacing any DI cartridge, its pure water´s resistivity will be above 5MΩ.cm (25°C), and TOC is lower than 30ppb. It will reduce the running cost and emissions of waste water. |
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Double stage reverse osmosis technology With 2 pumps, 2 RO membranes and buffer tank, system assures 2nd stage RO water quality´s stability from different source water, and achieves little drain and low running cost. |
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Whole plastic shell with high-strength Excellent ergonomic design, avoid rusting and keep clean, to meet GLP standard. |
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USB interface and SD card Auto running data storing function with built-in SD card, and data can be exported through the USB interface. |
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System sanitizing procedure, achieve the disinfection of ultrapure water´s tube and valve.
System circulation function, achieve ultrapure water´s circulation to keep top quality of ultrapure water.
All Cartridges replacing alarm function, based on time, or 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 (interval and continuous time setting), extend RO membrane´s life.
Comprehensive Information query and management function, master system status,water quality, cartridges usage and alarm information.
System time setting (year/month/day/hour/minute), timing standby (0-60 minute), and timing shutdown (0-24 hour) function.
Level II password, protect all the parameters setting, and prohibit any unauthorized setting change.
Built-in 20 liters PE tank and 20 liters airtight plastic pressure water tank. Also external tanks is optional.
3 door and easy-to-replacing cartridge design, convenient to maintain system and replace cartridges.
Detachable water collector design, store water-drop to avoid water´s splashing, and convenient for cleaning.
Tube and adapter with NSF authorization and top quality, reduce TOC level and assure ultrapure water´s quality.
Optimized pretreatment (including PP fiber, KDF and active carbon cartridge), effectively protect RO membrane.
RO module with DOW´s membrane, ensure long life, stable operation and high desalinization rate.
Ultrapure cartridge 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 high flux PES terminal disinfection filter, assure that terminal pure water is absolutely axenic.
Flow Schematic

Specifications
Model | Standard | Eliminating endotoxin | Low TOC | Synthesizing |
Center-EDI 45/60/90 | Center-EDI 45/60/90F | Center-EDI 45/60/90V | Center-EDI45/60/90FV | |
Output -EDI water* | 45series-45 liters/hour, 60 series-60 liters/hour, 90 series-90 liters/hour | |||
Output -ultrapure water | Up to 2 liters/minute (when tank is full) | |||
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 |
EDI water quality |
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Resistivity | >10MΩ.cm | |||
TOC* | <30ppb | |||
Silicone rejection rate | >99.9% | |||
RO water quality | ||||
Conductivity - 1st stage RO water | Feed water conductivity×5%* | |||
Conductivity - 2nd stage RO water | 1-5μs/cm* | |||
Feed water requirements | Tap water, temperature: 5-45°C, pressure: 1.0-4.0Kgf/cm2 | |||
Dimension and weight | Length × Width × Height: 610×585×1580mm / Weight: about 75Kg | |||
Electrical requirements | AC110-240V, 50/60Hz | |||
Power | 480W | |||
Standard configuration | Main body (Including 1 set of cartridge) + built-in 20 liters PE tank and 20 liters pressure tank | |||
Remarks:
*The value will be influenced by temperature and feed water’s quality.
Cartridges
Item no. | Commodity | Approximate replacement term /set |
C-PP | Pretreatment cartridge | 2-6 months |
C-AK | KDF+ granular active carbon mixed cartridge | 12 months |
C-AC2 | Active carbon block cartridge | 6 months |
C-RO-200 | 200 GPD reverse osmosis membrane | 12-24 months |
C-RO-300 | 300 GPD reverse osmosis membrane | 12-24 months |
C-RO-400 | 400 GPD reverse osmosis membrane | 12-24 months |
C-RO-500 | 500 GPD reverse osmosis membrane | 12-24 months |
C-RO-600 | 600 GPD reverse osmosis membrane | 12-24 months |
C-EDI-HX50 | EDI module | 12-36 months |
C-EDI-HX100 | EDI module | 12-36 months |
C-Decart1 | High flux mixed bed resin cartridge | 35000 liters pure water |
C-Pocart3 | High flux ultrapure polishing resin cartridge | 35000 liters pure water |
C-Pocart4 | Ultrapure polishing resin cartridge | 5000 liters pure water |
C-Uvlcart-14W | (254&185)nm wavelength uv module | -- |
C-Uvlamp-14W | (254&185)nm wavelength uv lamp | 9000 hours |
C-Ufcart | Eliminating endotoxin uf cartridge | -- |
C-Tefit | 0.2µm terminal filter | -- |
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.
Why choose us?
- We offer a wide range of laboratory ultrapure water purification systems to meet our customers' needs.
- We are fortunate to have gathered high standards of professionalism, eager pursuit and strong creative passion.
- Our knowledgeable staff is always available to answer any questions our customers may have.
- And depending on excellent quality, reasonable price, best service, we have got good feedback from customers overseas.
- As a supplier and manufacturer, we are dedicated to bringing our customers the best products at the most competitive prices.
- We will continue to adhere to the direction of innovative industry.
- Our laboratory ultrapure water purification systems are rigorously tested to ensure they meet our high standards.
- We strive to make the Center-EDI Series Ultrapure Water System and services of the company favored and loved by customers, and the cultural atmosphere of the company makes employees happy and proud.
- Our products are designed to meet the needs of a wide range of industries.
- We need to adhere to the principle of continuous innovation, further innovate and develop the corporate culture system,
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