NeuronBC V6.5 Audit-Trail Integrity Tester for Filter Validation
| Brand | NeuronBC |
|---|---|
| Origin | Beijing, China |
| Model | V6.5 Audit-Trail |
| Power Supply | 100–240 VAC, 50 Hz, 120 W |
| Operating Pressure Range | 100–10,000 mbar |
| Temperature Range | +5°C to +40°C |
| Relative Humidity | 10–80% |
| Dimensions (mm) | 400(D) × 240(W) × 270(H1) × 220(H2) |
| Weight | 8 kg |
| Bubble Point Accuracy | ±50 mbar |
| Diffusion Flow Accuracy | ±4% |
| Water Intrusion Accuracy | ±0.01 mL |
| Bubble Point Range | 100–8,000 mbar |
| Diffusion Flow Range | 1–600 mL/min |
| Water Intrusion Range | 0.01–100 mL/min |
| Pre-stored Protocols | 80 |
| Event Log Capacity | ≥16 auditable parameters with timestamp |
| User Access Levels | 4-tier role-based authentication with electronic signature support |
| Compliance | Fully aligned with FDA 21 CFR Part 11, ALCOA+ data integrity principles, and ISO 13485 / ASTM F838-22 / USP <1207> guidance for filter integrity testing |
Overview
The NeuronBC V6.5 Audit-Trail Integrity Tester is a fully compliant, laboratory- and manufacturing-grade instrument engineered for quantitative validation of membrane filter integrity across pharmaceutical, biotechnology, and sterile manufacturing environments. It implements first-principles physical measurement methods—including bubble point, pressure hold (decay), diffusion flow, water intrusion, and ultrafiltration membrane package testing—based on capillary flow theory and gas permeation kinetics. Unlike qualitative pass/fail indicators, the V6.5 delivers traceable, reproducible, and statistically defensible data required for regulatory submissions (e.g., FDA BLA/MAA), process validation (IQ/OQ/PQ), and routine batch release testing. Its architecture supports both hydrophilic (e.g., PVDF, PES, nylon) and hydrophobic (e.g., PTFE, PP) membranes, enabling unified validation workflows across upstream clarification, downstream purification, and final sterile filtration unit operations.
Key Features
- Comprehensive method coverage: bubble point (standard/enhanced/manual), pressure decay, diffusion flow, water intrusion, and ultrafiltration membrane pack testing—all validated per USP , ASTM F838-22, and ISO 13485 Annex A.
- FDA 21 CFR Part 11-compliant audit trail: records 16+ event types—including user login/logout, method selection, parameter modification, test initiation/completion, and result export—with immutable timestamps and operator ID linkage.
- Four-tier hierarchical access control: administrator, supervisor, analyst, and operator roles with password enforcement, electronic signatures, and session timeout policies.
- Scalable hardware interface: standard RS232 and USB ports; optional industrial fieldbus integration (Modbus TCP/RTU, Profibus DP) for automated SIP/CIP system synchronization and real-time data ingestion into MES/SCADA platforms.
- High-capacity protocol management: 80 pre-configurable test protocols with customizable pressure ramps, stabilization times, flow thresholds, and pass/fail criteria—optimized for single- or multi-cartridge configurations up to 9-core, 20-inch housings.
- Robust environmental design: operates reliably in Grade B cleanroom ambient conditions (ISO 14644-1 Class 5–8), with temperature-compensated transducers and sealed front-panel touchscreen to minimize particulate ingress.
Sample Compatibility & Compliance
The V6.5 accommodates symmetric and asymmetric microporous membranes used in disc filters (Φ25–300 mm), capsule filters, mini-cartridges, standard cartridges (2.5″–40″), cylindrical housings (up to 9-core, 20-inch), ultrafiltration cassettes, and hollow-fiber modules. It supports wetting fluid selection per membrane chemistry: aqueous solutions (WFI, PW) for hydrophilic filters; low-surface-tension solvents (e.g., isopropanol) or water intrusion for hydrophobic PTFE/PP membranes—eliminating solvent residue concerns and enhancing operator safety. All test outputs comply with data integrity requirements defined in ALCOA+ (Attributable, Legible, Contemporaneous, Original, Accurate) and are structured to support GLP/GMP audits, FDA inspection readiness, and EU Annex 11 assessments.
Software & Data Management
Built-in firmware enables local execution of all test sequences with real-time graphical display of pressure decay curves, flow rate profiles, and bubble point determination algorithms. Data storage includes ≥5,000 full-test records with embedded metadata (operator, timestamp, method, raw sensor values, pass/fail status). Historical logs are exportable via USB flash drive in CSV and PDF formats—including annotated test curves and audit trail reports. Optional PC software provides advanced analytics: trend analysis across batches, SPC charting of diffusion flow drift, deviation investigation workflows, and automated report generation compliant with internal SOPs and regulatory templates (e.g., EMA Annex 15).
Applications
- Final sterile filtration validation for parenteral drug products and biologics.
- In-process integrity verification during buffer exchange and diafiltration in UF/DF operations.
- Pre-use post-sterilization (PUPSIT) testing per EU GMP Annex 1 requirements.
- Filter qualification studies supporting vendor change control and lifecycle management.
- Root cause analysis of filter failures through comparative diffusion flow profiling and pore size distribution inference.
- Integration into automated aseptic processing lines for closed-system integrity confirmation prior to fill/finish.
FAQ
Does the V6.5 support water intrusion testing for hydrophobic filters without organic solvents?
Yes. The instrument implements ISO 15712-2–compliant water intrusion methodology using purified water under controlled pressure ramping, eliminating IPA handling, flammability risks, and extractables concerns.
Can test data be exported directly to LIMS or ELN systems?
Yes—via configurable ASCII/CSV output over RS232 or USB, with optional middleware for HL7 or ASTM E1384–compliant data mapping.
Is calibration traceable to NIST or other national standards?
All pressure and flow sensors are factory-calibrated against NIST-traceable references; calibration certificates and SOPs for user-performed verification are included.
What is the maximum housing configuration supported for multi-cartridge testing?
The V6.5 validates up to nine 20-inch cartridges simultaneously using its high-flow manifold and dynamic pressure compensation algorithm.
How does the audit trail meet FDA 21 CFR Part 11 requirements for electronic records?
It enforces user authentication, prevents record deletion/modification, timestamps all actions, links events to individual operators, and maintains a read-only log history accessible for review without system access privileges.

