Peak Genius SQ 24 Dedicated Nitrogen Generator for Single Quadrupole Mass Spectrometers
| Brand | PEAK |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | Genius SQ 24 |
| Nitrogen Generation Principle | Membrane Separation |
| Output Flow Rate | 24 L/min |
| Output Pressure | 116 psi (max at 22 L/min) |
| Nitrogen Purity | Up to 99.5% |
| Dew Point | –50 °C |
Overview
The Peak Genius SQ 24 is an integrated, compressor-equipped nitrogen generator engineered specifically for single quadrupole liquid chromatography–mass spectrometry (LC-MS) systems requiring high-purity, on-demand nitrogen gas. Utilizing proven hollow-fiber membrane separation technology, the unit selectively permeates oxygen, water vapor, carbon dioxide, and other trace gases from compressed ambient air, delivering a continuous stream of nitrogen with consistent purity up to 99.5% (v/v). Its design adheres to the operational gas specifications defined by major LC-MS instrument manufacturers—including flow stability, pressure regulation, and dew point control—ensuring compatibility with electrospray ionization (ESI), atmospheric pressure chemical ionization (APCI), and other common ion sources. The built-in oil-free diaphragm compressor eliminates the need for external air supply infrastructure, enabling true plug-and-play deployment beneath standard laboratory workbenches (dimensions: 320 × 450 × 520 mm H×W×D). With a maximum output capacity of 24 L/min at regulated pressure up to 116 psi (8.0 bar), the Genius SQ 24 meets or exceeds the nitrogen demand of all commercially available single quadrupole mass spectrometers, including those used in regulated QC/QA, pharmaceutical stability testing, and environmental residue analysis.
Key Features
- Integrated oil-free compressor and membrane module—no external air source required
- Stable nitrogen output: 0–24 L/min, adjustable via precision needle valve and digital flowmeter
- Regulated delivery pressure up to 116 psi (8.0 bar), maintained within ±2 psi across full flow range
- Dew point consistently below –50 °C, minimizing moisture-induced signal drift and source contamination
- CE-marked per Directive 2014/30/EU (EMC) and 2014/35/EU (LVD); compliant with IEC 61000-6-3 and IEC 61000-6-2
- Front-panel LED display showing real-time flow rate, outlet pressure, and system status indicators
- Low-noise operation (<52 dBA at 1 m), suitable for shared analytical laboratories
- Service-interval monitoring with audible and visual alerts for filter replacement and membrane health assessment
Sample Compatibility & Compliance
The Genius SQ 24 is validated for use with all major single quadrupole LC-MS platforms, including but not limited to Waters ACQUITY QDa, Agilent 6100 Series, Thermo Scientific ISQ EC/QT, and Shimadzu LCMS-2020. Its nitrogen output conforms to ASTM D8270-22 requirements for carrier and collision gas quality in mass spectrometric applications. The system supports GLP- and GMP-aligned workflows through optional audit-trail-enabled firmware (v3.2+), logging runtime, flow deviations, pressure excursions, and maintenance events in non-volatile memory. All internal wetted materials—stainless steel 316L fittings, EPDM seals, and polyimide-coated membranes—are compatible with high-vacuum interfaces and chemically inert toward common LC mobile phases (e.g., acetonitrile, methanol, aqueous buffers).
Software & Data Management
While the Genius SQ 24 operates as a standalone hardware unit, its embedded microcontroller supports RS-232 and optional Ethernet connectivity (via Peak Link Module) for integration into centralized lab gas monitoring networks. Logged operational data—including cumulative runtime, total gas volume delivered, and filter service timestamps—can be exported as CSV files for inclusion in instrument qualification documentation (IQ/OQ/PQ). Firmware updates are performed via secure USB interface using Peak’s certified configuration utility, which enforces cryptographic signature verification to maintain regulatory integrity under FDA 21 CFR Part 11 Annex 11 requirements.
Applications
- LC-MS nitrogen supply for desolvation gas, nebulizer gas, and curtain gas in single quadrupole configurations
- Replacement for high-pressure nitrogen cylinders in routine pharmaceutical assay labs seeking reduced logistical overhead and improved safety
- Supporting EPA Method 8270D and 8321B analyses where consistent nitrogen purity and dew point directly impact method reproducibility
- Enabling uninterrupted 24/7 operation in high-throughput clinical toxicology screening facilities
- Gas supply for nitrogen-purged sample storage cabinets and glove boxes requiring continuous low-flow supplementation
FAQ
Does the Genius SQ 24 require external compressed air?
No. It features a built-in oil-free diaphragm compressor and requires only a standard 100–240 VAC power connection.
What maintenance is required, and how often?
Pre-filters should be replaced every 6 months or 4,000 operating hours; coalescing filters every 12 months; membrane lifetime exceeds 20,000 hours under typical lab conditions.
Can it be connected to multiple LC-MS instruments simultaneously?
It is designed for dedicated single-instrument supply. For multi-instrument deployment, Peak recommends the Genius XE series with manifold distribution and pressure-balancing regulators.
Is the nitrogen output suitable for use as collision gas in MS/MS systems?
No. The Genius SQ 24 is optimized for single quadrupole applications. For triple quadrupole or Q-TOF systems requiring ultra-high purity (≥99.999%) and lower hydrocarbon content, consult the Genius HF or Genius XE-HF product lines.
How is compliance with ISO 8573-1:2010 Class 2:2:2 verified?
Each unit undergoes factory certification per ISO 8573-1 Annex B, with test reports documenting particle count, dew point, and oil aerosol concentration at rated flow and pressure.
