Benchmark-Q/S/RS/EDI-S Ultra Pure Water System by HHitech
| Brand | HHitech |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Models | Benchmark-Q / Benchmark-S / Benchmark-RS / Benchmark-EDI-S |
| Price Range | USD 450–900 (FOB) |
| Purified Water Grade | ASTM Type I (Ultra-Pure Water) |
| Resistivity | 18.2 MΩ·cm @ 25°C |
| Heavy Metals & Soluble Silica | ≤0.01 ppb |
| Total Organic Carbon (TOC) | <3 ppb |
| Microbial Count | <0.001 CFU/mL |
| Endotoxin Level | <0.001 EU/mL |
| Particles (>0.1 µm) | <1 particle/mL |
| Feed Water | Municipal Tap Water |
| Primary Purification Technologies | Dual-Stage RO, Integrated Deionization (DI), UV Oxidation (254 nm + 185 nm), Optional TOC Monitoring |
| Compliance | GB/T 6682–2008, GB/T 33087–2016, ASTM D1193–2020, CLSI C3-A4, USP <1231>, EP 2.2.44, CAP Accreditation Standards |
Overview
The Benchmark-Q/S/RS/EDI-S Ultra Pure Water System is an integrated, fully automated laboratory water purification platform engineered for continuous, high-reliability production of Type I ultrapure water (UPW) and Type III purified water (RO/DI) from municipal tap feed. Utilizing a multi-stage purification architecture—including dual-stage reverse osmosis (RO), full-flow vertical-bed deionization with nuclear-grade resin, dual-wavelength (185 nm + 254 nm) UV photooxidation, and optional on-line TOC detection—the system delivers water meeting stringent international specifications for critical analytical, life science, and pharmaceutical applications. Its design eliminates intermediate storage tanks to prevent biofilm formation and particulate recontamination, enabling direct point-of-use delivery at flow rates up to 2.0 L/min (model-dependent). The system operates under closed-loop hydraulic control with real-time conductivity/resistivity monitoring across three independent streams: feed water, RO permeate, and final UPW output—ensuring traceable, auditable water quality at every stage.
Key Features
- Patented “Reject Water Discharge” and “Water-Driven RO Membrane Protection” systems ensure consistent membrane performance and extend service life under variable inlet conditions.
- Full-flow, vertically oriented ultra-pure polishing column (3 L capacity standard; 6 L extended column available in D-series models) packed with imported nuclear-grade ion exchange resin for stable 18.2 MΩ·cm resistivity.
- Dual-membrane, dual-pump configuration (Benchmark-RS series) with second-pass RO and waste water recirculation—patented design (ZL202322299897.X) improving recovery rate and reducing operational cost.
- 5-inch color TFT touchscreen interface (480 × 272 resolution) with intuitive navigation, multilingual support (English, Chinese, Spanish), and embedded data logging for ≥12 months of operational history.
- High-precision dual-path dispensing: quantitative (volumetric) and qualitative (resistivity-triggered) modes with automatic calibration compensation and user-defined setpoints.
- Comprehensive consumables management engine tracking nine replaceable components—including pre-filters, RO membranes, DI cartridges, UV lamps—with predictive replacement alerts and usage-based lifecycle reporting.
- Optional full-system recirculation loop with programmable intermittent operation and integrated thermal or chemical sanitization protocol (validated per ISO 14644-1 Class 5 cleanroom requirements).
Sample Compatibility & Compliance
The Benchmark series is validated for use in environments requiring adherence to GLP, GMP, and ISO/IEC 17025 frameworks. All models comply with national and international water quality standards including GB/T 6682–2008 (China), ASTM D1193–2020 (Type I), USP (Pharmaceutical Water), EP 2.2.44 (European Pharmacopoeia), CLSI C3-A4 (Clinical Laboratory Standards), and CAP accreditation criteria for clinical chemistry and molecular diagnostics. The system supports FDA 21 CFR Part 11-compliant electronic records when paired with HHitech’s optional audit-trail-enabled software module. Endotoxin and microbial retention are verified per ISO 13408-1 and ASTM F838-22 test protocols using certified 0.1 µm absolute-rated final filters.
Software & Data Management
Data integrity is maintained through built-in USB export functionality supporting CSV-formatted logs of conductivity, temperature, pressure, flow rate, alarm events, and consumables status. The onboard memory retains ≥10,000 timestamped entries with millisecond-level precision. Optional Wi-Fi connectivity enables remote system health monitoring and firmware updates via HHitech’s secure cloud portal. All logged parameters are time-stamped, digitally signed, and immutable post-generation—satisfying ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) for regulated laboratories.
Applications
- HPLC, UHPLC, LC-MS, and GC-MS mobile phase preparation and instrument rinsing
- Cell culture media formulation and reagent dilution in biopharma R&D
- Trace metal analysis (ICP-MS, AAS) requiring sub-ppt contamination control
- Molecular biology workflows including PCR, NGS library prep, and electrophoresis
- Clinical diagnostics instrumentation requiring endotoxin-free water per CLIA and CAP guidelines
- Calibration standard preparation in metrology and reference material labs
FAQ
Does the Benchmark system meet USP purified water specifications?
Yes—final ultra-pure water consistently achieves resistivity ≥18.2 MΩ·cm, TOC <3 ppb, endotoxin <0.001 EU/mL, and bacteria <0.001 CFU/mL, satisfying all critical parameters defined in USP for Water for Injection (WFI)-grade applications when operated within validated parameters.
Can the system be integrated into a building-wide water distribution network?
The Benchmark-RS and EDI-S variants support looped distribution via optional stainless-steel recirculation manifolds with constant-flow booster pumps and temperature-controlled heat tracing—designed for integration with central utility plants per ASME BPE-2023 guidelines.
Is remote diagnostics supported out of the box?
Standard models include local USB and RS232 interfaces; remote access requires optional Wi-Fi module and HHitech Cloud Connect license—enabling real-time fault code interpretation, predictive maintenance scheduling, and secure technician-assisted troubleshooting.
How is compliance with 21 CFR Part 11 ensured?
When configured with Audit Trail Mode enabled and user role-based authentication (admin/operator/technician), the system generates immutable electronic records with digital signatures, time stamps, and change history—fully aligned with FDA requirements for electronic records and signatures.
What validation documentation is provided?
Each unit ships with Factory Acceptance Test (FAT) report, IQ/OQ templates compliant with ISO 9001:2015 and GAMP5, and a Certificate of Conformance listing all tested parameters against ASTM D1193 and USP . Custom PQ protocols are available upon request.
