SCIWAY ZABN2000 Membrane-Based Nitrogen Generator
| Brand | SCIWAY |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | ZABN2000 |
| Nitrogen Generation Principle | Membrane Separation |
| Output Flow Rate | 36 L/min @ 60 psi |
| Output Pressure | 60 psi |
| Nitrogen Purity | 99.9% |
| Dew Point | −20 °C |
Overview
The SCIWAY ZABN2000 is a compact, membrane-based nitrogen generator engineered for continuous, on-demand supply of high-purity nitrogen gas (99.9%) to support critical analytical instrumentation—particularly liquid chromatography–mass spectrometry (LC-MS) systems from leading OEMs including AB SCIEX, Agilent, Waters, Thermo Fisher Scientific, and Shimadzu. Unlike pressure swing adsorption (PSA) systems, the ZABN2000 employs hollow-fiber polymeric membrane separation technology, where compressed air is passed across selective membranes that preferentially permeate oxygen, water vapor, CO₂, and other trace gases—retaining nitrogen with consistent purity and minimal pressure drop. This principle enables stable, pulse-free gas delivery essential for electrospray ionization (ESI) and atmospheric pressure chemical ionization (APCI) sources, where flow and pressure fluctuations directly impact signal stability and quantitative reproducibility. Designed for integration into space-constrained laboratory environments, the ZABN2000 delivers industrial-grade reliability without requiring external utilities beyond standard shop air or an integrated compressor.
Key Features
- Integrated refrigerated air dryer: Maintains dew point at −20 °C to prevent condensation in downstream LC-MS interfaces and pneumatic components—critical for laboratories operating in high-humidity regions across Asia, Southeast Asia, and coastal zones.
- Stainless steel internal buffer tank: Dampens pressure transients, reduces compressor cycling frequency by up to 40%, and extends service life of both the compressor and membrane module.
- High-selectivity imported membrane modules: Sourced from Tier-1 global suppliers, ensuring long-term flux stability and resistance to oil carryover and particulate fouling.
- Low-noise operation (<52 dBA at 1 m): Achieved via acoustic enclosure design and vibration-damped mounting—compliant with ISO 7779 and suitable for open-plan labs and core facilities.
- Modular footprint (W × D × H: 580 × 520 × 820 mm): Fits under standard fume hoods or alongside LC-MS workstations; equipped with dual-locking casters for repositioning without tools.
- Minimalist piping architecture: Single-point inlet and outlet connections reduce leak points, simplify validation, and facilitate IQ/OQ documentation per GMP/GLP requirements.
Sample Compatibility & Compliance
The ZABN2000 is validated for seamless interoperability with all major LC-MS platforms requiring nitrogen as nebulizing, drying, or collision gas—including but not limited to AB SCIEX Triple Quad™ and QTRAP® series, Agilent 6400/6500 QQQ and 6230 TOF systems, Waters Xevo TQ-S and Vion IMS QTof, Thermo Fisher Orbitrap Exploris™ and TSQ Altis™, and Shimadzu Nexera UC/LCMS-8050. Gas output meets ASTM D852-22 specifications for instrument-grade nitrogen and complies with ISO 8573-1:2010 Class 2:2:2 for particulate, water, and oil content. The unit supports full audit trail logging when paired with optional RS-485/Modbus RTU interface, enabling alignment with FDA 21 CFR Part 11 data integrity requirements during GxP-regulated operations.
Software & Data Management
While the ZABN2000 operates as a standalone hardware system with no embedded OS or touchscreen interface, it includes analog 4–20 mA outputs for real-time monitoring of outlet pressure and dew point—compatible with LabVantage, STARLIMS, and DeltaV DCS platforms. Optional digital communication (RS-485) enables remote status interrogation (e.g., membrane health index, dryer runtime, filter saturation alerts) and integration into centralized facility monitoring systems. All operational parameters are logged locally on non-volatile memory for ≥30 days, supporting root-cause analysis during instrument downtime investigations per ISO/IEC 17025 Clause 7.7.
Applications
- LC-MS nitrogen supply for ESI/APCI source gas (nebulizer, desolvation, curtain gas)
- GC-MS auxiliary nitrogen for make-up gas and detector operation
- NMR solvent degassing and sample purging
- Inert atmosphere maintenance in glove boxes and reaction stations
- Calibration gas blending systems requiring stable N₂ carrier streams
FAQ
What is the expected membrane service life under continuous operation?
Typical membrane module lifetime exceeds 15,000 hours when supplied with oil-free, particulate-filtered feed air meeting ISO 8573-1 Class 2 specifications.
Can the ZABN2000 be used with an external air compressor?
Yes—the unit accepts regulated inlet air between 90–120 psi and 40–60 °C, provided it includes coalescing and activated carbon filtration upstream.
Is validation documentation available for GMP environments?
Factory-issued DQ/IQ/OQ templates, FAT/SAT protocols, and material compliance certificates (RoHS, REACH, CE) are provided upon order confirmation.
Does the system require periodic consumable replacement?
Pre-filters (3 µm particulate + coalescing) and post-dryer desiccant cartridges require replacement every 6–12 months depending on ambient air quality; no routine membrane servicing is required.
How does the ZABN2000 compare to PSA-based nitrogen generators for LC-MS use?
Membrane systems offer superior flow stability and zero pressure pulsation—key for ESI sensitivity—while PSA units exhibit inherent cyclic pressure variation and longer warm-up stabilization times.
