Peak Genius SQ Membrane-Based Nitrogen Generator for Single Quadrupole Mass Spectrometers and Nitrogen Evaporators
| Brand | PEAK |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Category | Imported Instrument |
| Model | Genius SQ |
| Nitrogen Generation Principle | Hollow-Fiber Membrane Separation |
| Output Flow Rate | 24 L/min |
| Output Pressure | 116 psi (max at 22 L/min) |
| Nitrogen Purity | Up to 99.5% N₂ |
| Dew Point | −50 °C |
| Certification | CE Marked |
| Integrated Air Compressor | Yes |
| Footprint | Benchtop-Under-Counter Design |
| Service & Support | Peak Protected Global Field Service, Technical Support, and Application Training |
Overview
The Peak Genius SQ is a compact, integrated membrane-based nitrogen generator engineered specifically to supply high-purity nitrogen gas to single quadrupole mass spectrometers (SQ-MS) and nitrogen evaporators (also known as nitrogen blow-down concentrators). Utilizing proven hollow-fiber membrane separation technology, the Genius SQ selectively permeates oxygen, water vapor, carbon dioxide, and other trace gases from compressed air, retaining nitrogen with consistent purity up to 99.5% (v/v). Its design eliminates dependency on high-pressure nitrogen cylinders—reducing logistical overhead, safety risks associated with cylinder handling, and long-term operational cost per liter of nitrogen. The system incorporates a built-in oil-free scroll air compressor, desiccant pre-filtration (ISO Class 2 particulate, Class 3 moisture, Class 2 oil), and intelligent pressure regulation to maintain stable delivery across variable demand conditions typical in LC-MS and sample preparation workflows.
Key Features
- Integrated oil-free scroll air compressor—no external air supply required; fully self-contained operation
- Hollow-fiber membrane module with 20+ years of field-proven reliability in laboratory environments
- Maximum continuous output: 24 L/min at ambient temperature and pressure (NTP), with regulated pressure up to 116 psi (8.0 bar) at 22 L/min
- Consistent nitrogen purity ≥99.5%—validated across flow rates from 5 to 24 L/min under standard lab conditions (25 °C, 50% RH)
- Dew point ≤−50 °C—ensuring compatibility with sensitive detector interfaces and preventing condensation in transfer lines
- Bench-under-counter footprint (W × D × H: 320 × 520 × 570 mm)—designed to fit beneath most standard fume hoods and analytical workstations
- CE-marked and compliant with EN 61000-6-3 (EMC) and EN 61000-6-2 (immunity) standards
- Intuitive LED status display indicating pressure, flow, filter life, and system readiness
Sample Compatibility & Compliance
The Genius SQ delivers nitrogen meeting the gas quality requirements specified by major single quadrupole MS manufacturers—including Thermo Fisher Scientific (ISQ series), Agilent (5977/5975 series), Shimadzu (QP2010), and Waters (ZQ series)—for both ion source drying gas and collision gas applications. Its −50 °C dew point satisfies ASTM D6673 and ISO 8573-1:2010 Class 2.2.1 for compressed gas purity in analytical instrumentation. While not intended for GC carrier gas use (where higher purity ≥99.999% is required), the Genius SQ meets or exceeds ICH Q5A and USP recommendations for non-critical process gases in QC/QA laboratories operating under GLP or GMP-aligned quality systems. All internal wetted materials comply with FDA 21 CFR Part 11-compatible documentation protocols when paired with Peak’s optional data logging module.
Software & Data Management
The Genius SQ operates as a standalone hardware platform without embedded software or network connectivity. However, it supports seamless integration into laboratory infrastructure via analog 4–20 mA output (optional) for remote pressure/flow monitoring in SCADA or LIMS environments. Peak provides a comprehensive digital service portal—accessible via web browser—that hosts electronic copies of calibration certificates, maintenance logs, firmware release notes, and regulatory documentation (including Declaration of Conformity and RoHS compliance statements). For labs subject to FDA 21 CFR Part 11 or EU Annex 11 requirements, Peak offers IQ/OQ documentation packages and audit-ready service records generated during scheduled preventive maintenance visits performed by certified field engineers.
Applications
- Drying gas supply for electrospray ionization (ESI) and atmospheric pressure chemical ionization (APCI) sources in single quadrupole mass spectrometers
- Evaporation gas for nitrogen blow-down concentrators used in pesticide residue analysis, pharmaceutical impurity profiling, and environmental contaminant quantification
- Blanketing and purge gas in sample vial storage, solvent handling stations, and inert-atmosphere reaction setups
- Support gas for flame ionization detectors (FID) and thermal conductivity detectors (TCD) where ultra-high purity is not mandated
- Backup or primary nitrogen source in multi-instrument labs seeking redundancy and reduced cylinder dependency
FAQ
What is the expected lifetime of the membrane module?
Peak specifies a minimum operational lifetime of 15,000 hours under recommended inlet air quality (ISO 8573-1 Class 2.2.2) and routine filter replacement every 6–12 months.
Can the Genius SQ be used with GC-MS systems?
No—it is not suitable for GC carrier gas due to its 99.5% purity specification; GC-MS requires ≥99.999% nitrogen (or helium/hydrogen) with dew point ≤−70 °C.
Is external cooling required?
No—thermal management is passive; the unit operates continuously at ambient temperatures between 15–35 °C without auxiliary cooling.
How often must the inlet filters be replaced?
Pre-filters should be inspected quarterly and replaced every 6 months under typical lab air conditions; more frequent replacement is advised in high-dust or high-humidity environments.
Does the system support remote diagnostics?
Yes—via Peak Protected service portal access and optional analog signal outputs; full remote troubleshooting requires on-site engineer dispatch per Peak’s global service SLA.
