Zealpure ZEALPURE Great Ultra Pure Water System
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | ZEALPURE Great |
| Price | USD 4,200 (est.) |
| Purified Water Grade | ASTM Type III |
| Resistivity | 18.2 MΩ·cm @ 25°C |
| Heavy Metals & Soluble Silica | < 0.1 ppb |
| Total Organic Carbon (TOC) | < 3 ppb |
| Microbial Count / Endotoxins | < 0.001 EU/mL |
| Particles (>0.1 µm) | < 1 particle/mL |
Overview
The Zealpure ZEALPURE Great Ultra Pure Water System is a fully integrated, laboratory-grade water purification platform engineered to convert municipal tap water directly into ultrapure water meeting stringent international specifications for critical research and analytical applications. Designed in collaboration with Zequan Instruments Co., Ltd. (Shanghai), the system employs a five-stage purification architecture grounded in established physicochemical separation principles: (1) Reverse Osmosis (RO) using high-rejection polyamide membranes to remove >90% of dissolved ions, colloids, and particulates; (2) Activated carbon adsorption for low-molecular-weight organic compounds and chlorine/chloramine; (3) Mixed-bed ion exchange resin beds for complete deionization; (4) 5 kDa molecular weight cutoff ultrafiltration (UF) to eliminate endotoxins, nucleases, and microorganisms; and (5) Dual-wavelength UV irradiation (185 nm + 254 nm) for photo-oxidative TOC reduction and continuous microbial inactivation. This multi-modal approach ensures consistent delivery of water compliant with ASTM D1193 Type I specifications — particularly in resistivity, TOC, endotoxin, and particle metrics — while maintaining operational robustness across variable feedwater conditions.
Key Features
- Compact, ergonomically optimized chassis with front arc-shaped dispensing zone and triple-side access panels for rapid, tool-free replacement of RO membranes, UF cartridges, and polishing columns.
- Embedded microprocessor control system with real-time monitoring of conductivity/resistivity, temperature, flow rate, consumable service life, and system pressure differentials.
- Backlit 7-inch capacitive touchscreen interface with intuitive hierarchical menu navigation, animated status visualization, and configurable alarm thresholds for conductivity, TOC, and endotoxin levels.
- Energy-efficient operation including auto-dimming after 3 minutes of inactivity, programmable UV lamp cycling, and recirculation loop control to minimize component wear.
- Simultaneous dual-output capability: independent RO water (ASTM Type III) and ultrapure water (ASTM Type I) streams, each with dedicated dispensing valves and flow meters.
- Integrated sanitization protocol: sealed-loop chemical disinfection using solid-phase sanitizing tablets, initiated via touchscreen command without manual disassembly.
- Automated daily RO membrane flush sequence to prevent scaling and extend membrane service life under hard-water feed conditions.
- High-capacity nuclear-grade mixed-bed resin cartridge with optimized kinetics for residual ion removal and long-term TOC stability.
- Dual-lamp UV chamber (185 nm for hydroxyl radical generation, 254 nm for germicidal action) coupled with low-TOC carbon filtration to achieve sub-3 ppb TOC reproducibly.
- RS-232 and USB interfaces support external data logging, printer integration for GMP-compliant water quality reports, and optional LIMS connectivity.
Sample Compatibility & Compliance
The ZEALPURE Great system produces water suitable for direct use in sensitive analytical workflows where background interference must be minimized. Its output meets or exceeds requirements for ASTM D1193 Type I water, ISO 3696 Class 1, CLSI EP28-A3c, and USP purified water monographs. For endotoxin-sensitive applications (e.g., cell culture, IVF media preparation, monoclonal antibody production), the 5 kDa UF module reduces endotoxin concentration to <0.001 EU/mL — satisfying FDA guidance for sterile pharmaceutical manufacturing water systems. All wetted materials comply with USP Class VI biocompatibility standards and are non-leaching per ISO 10993-5 cytotoxicity testing. The system supports GLP/GMP audit readiness through timestamped event logs, operator authentication (optional), and full traceability of consumable batch numbers and calibration records.
Software & Data Management
The embedded firmware implements a secure, non-volatile data logging engine that records every critical parameter at 1-minute intervals: resistivity, TOC (via integrated sensor or calibrated proxy), UV lamp operating hours, pump runtime, filter saturation indicators, and alarm events. Data export is supported in CSV format via USB drive or serial printout. Optional software modules enable remote monitoring via Ethernet, automated report generation aligned with 21 CFR Part 11 requirements (including electronic signatures and audit trail encryption), and predictive maintenance alerts based on cumulative throughput and pressure decay trends. All calibration constants and alarm setpoints are password-protected and require administrative privileges to modify.
Applications
- Life Sciences: Mammalian and stem cell culture, embryology media preparation, CRISPR/Cas9 reagent formulation, ELISA and Western blotting buffers, HPLC mobile phase preparation, and next-generation sequencing library construction.
- Analytical Instrumentation: Mobile phase make-up for UHPLC and LC-MS/MS, calibration standard dilution for ICP-MS and GF-AAS, rinse solutions for TOC analyzers, and blank preparation for trace metal analysis (EPA Method 1638, ISO 17294).
- Clinical & Diagnostic Labs: Reagent preparation for clinical chemistry analyzers (e.g., Roche Cobas, Siemens Atellica), PCR master mix formulation, and microbiological media sterilization support.
- Materials & Environmental Research: Nanoparticle synthesis, semiconductor wafer cleaning validation, and ultra-trace environmental contaminant analysis requiring sub-ppt detection limits.
FAQ
What is the recommended feed water quality for optimal ZEALPURE Great performance?
Municipal tap water meeting local drinking water standards (e.g., WHO Guidelines, EPA Safe Drinking Water Act) is acceptable. Pre-treatment with sediment and carbon pre-filters is advised if feed water contains >1 ppm chlorine, >0.1 ppm iron/manganese, or >500 ppm total dissolved solids.
How often must consumables be replaced under typical lab usage?
RO membranes: 2–3 years depending on feed TDS and pretreatment; UF cartridges: 12–18 months; polishing resin columns: 6–12 months; UV lamps: 12 months or 9,000 operating hours.
Does the system support IQ/OQ/PQ documentation packages?
Yes — factory-provided qualification protocols (IQ/OQ templates) and third-party PQ support services are available upon request to meet ISO/IEC 17025 and FDA 21 CFR Part 11 compliance requirements.
Can the ultrapure water loop be validated for bacterial endotoxin content?
Yes — the system includes a dedicated endotoxin sampling port upstream of the final UF stage, enabling routine testing per USP and EP 2.6.14 using kinetic chromogenic LAL assays.
Is remote diagnostics or cloud-based monitoring available?
Standard RS-232/USB enables local integration; optional Ethernet-enabled gateway modules provide secure MQTT-based telemetry and remote firmware updates through authenticated enterprise networks.
