PEAK Intura ZA Zero-Air Generator
| Brand | PEAK |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | Intura ZA |
| Hydrocarbon Removal Principle | High-Temperature Catalytic Cracking |
| Output Flow Rates | 1.5 / 3.5 / 7.0 / 15.0 L/min |
| Output Pressure | 100 psi (6.9 bar), Adjustable |
| Total Hydrocarbon Content | <0.05 ppm (as CH₄ equivalent) |
| Dew Point | −35 °C (−31 °F) |
| Standard Warranty | 12 Months |
Overview
The PEAK Intura ZA Zero-Air Generator is an engineered solution designed specifically to supply high-purity, hydrocarbon-free, dry air for gas chromatography (GC) detector operation—including flame ionization detectors (FID), nitrogen phosphorus detectors (NPD), and thermal conductivity detectors (TCD). Unlike conventional compressed-air systems that rely on external filtration or bottled gas, the Intura ZA integrates an oil-free diaphragm compressor with a proprietary catalytic chamber (CAT chamber) to achieve zero-grade air compliance in a single, self-contained unit. Its core principle leverages high-temperature catalytic cracking—where ambient air passes through a heated noble-metal catalyst bed, oxidizing trace hydrocarbons (e.g., methane, ethane, propane) into CO₂ and H₂O, which are subsequently removed via integrated desiccant and coalescing filtration. This process ensures consistent output meeting ASTM D6299 and ISO 8573-1 Class 1.2.1 requirements for hydrocarbon content (<0.05 ppm) and dew point (−35 °C), critical for baseline stability and detector sensitivity in regulated analytical workflows.
Key Features
- Integrated oil-free compressor eliminates risk of oil carryover, eliminating need for external oil traps or maintenance-intensive lubricated compressors
- PEAK-engineered CAT chamber optimizes residence time and thermal uniformity, enabling efficient catalytic oxidation at lower operating temperatures (reducing energy consumption by up to 30% vs. conventional heated catalytic units)
- Four selectable flow rates (1.5, 3.5, 7.0, and 15.0 L/min) with precise pressure regulation up to 100 psi (6.9 bar), supporting multi-instrument configurations and high-flow GC accessories
- Compact footprint (W × D × H: 320 × 420 × 380 mm) minimizes benchtop occupancy while maintaining full internal redundancy and service access
- Capacitive touchscreen interface provides real-time visualization of inlet/outlet pressure, flow rate, catalyst temperature, dew point, and system status; supports configurable alarm thresholds and event logging
- Modular architecture allows seamless integration with PEAK Intura N₂ generators to form hybrid N₂/air platforms—ideal for laboratories transitioning toward consolidated gas supply infrastructure
Sample Compatibility & Compliance
The Intura ZA delivers air compliant with ICH Q5A, USP , and EP 2.2.42 specifications for carrier and detector gases in pharmaceutical QC labs. Its <0.05 ppm total hydrocarbon output satisfies GC method validation requirements under FDA 21 CFR Part 11 when paired with audit-trail-enabled software (e.g., PEAK AirLink Suite). The −35 °C dew point meets ISO 8573-1:2010 Class 2.2.1 for solid particulate, water, and oil aerosol contamination—ensuring long-term reliability of sensitive detector components and reducing column bleed artifacts. All wetted materials comply with USP Class VI biocompatibility standards; no stainless-steel welds or elastomers exposed to output stream.
Software & Data Management
The Intura ZA communicates via RS-232 and optional Ethernet (TCP/IP) to PEAK AirLink Manager—a validated Windows-based application supporting GLP/GMP data integrity protocols. It records timestamped operational parameters (flow, pressure, catalyst temp, runtime hours) with automatic export to CSV or SQL databases. Audit trail functionality captures all user-initiated changes (e.g., flow setpoint adjustment, alarm reset), satisfying ALCOA+ principles. Firmware updates are digitally signed and version-locked to prevent unauthorized modification. Remote monitoring and email/SNMP alerts for pressure loss, filter saturation, or temperature deviation are configurable per site policy.
Applications
- Primary air supply for FID, NPD, and TCD detectors in regulated pharmaceutical, environmental, and food safety testing labs
- Support gas for automated thermal desorption (ATD) systems and pyrolysis-GC/MS interfaces requiring ultra-low hydrocarbon background
- Dry air source for purge-and-trap concentrators and headspace samplers where moisture-induced condensation compromises recovery
- Instrument-grade air for calibration gas blending systems requiring certified zero-air reference standards (e.g., EPA Method TO-15, ASTM D5504)
- Backup or primary air source in central lab gas networks where cylinder dependency introduces logistical and safety risks
FAQ
What regulatory standards does the Intura ZA meet for pharmaceutical use?
It complies with USP , EP 2.2.42, and ICH Q5A for detector gases; when used with AirLink Manager, it supports 21 CFR Part 11 electronic record requirements.
Can the Intura ZA be connected to multiple GC instruments simultaneously?
Yes—its adjustable pressure and scalable flow rates (up to 15 L/min) support daisy-chained distribution via stainless-steel tubing with appropriate pressure regulators and particulate filters.
How often does the CAT chamber require replacement?
Under typical lab conditions (24/7 operation, ambient hydrocarbon levels ≤100 ppm), catalyst life exceeds 24 months; system diagnostics monitor catalytic efficiency and trigger proactive maintenance alerts.
Is the unit suitable for installation in non-air-conditioned laboratory environments?
It operates reliably within 10–35 °C ambient temperature and ≤80% RH; active thermal management maintains stable catalyst temperature regardless of room fluctuations.
Does PEAK provide IQ/OQ documentation for the Intura ZA?
Yes—factory-verified Installation Qualification (IQ) and Operational Qualification (OQ) protocols are included, aligned with ASTM E2500 and GAMP5 guidelines.
