i-Lab ZeroAir1 Zero-Grade Air Generator
| Brand | i-Lab |
|---|---|
| Origin | Shanghai, China |
| Manufacturer | i-Lab |
| Type | Domestic |
| Model | ZeroAir1 |
| Price | Upon Request |
| Hydrocarbon Removal Principle | Pt-Pd Catalytic Cracking |
| Output Flow Rate | 1 L/min |
| Output Pressure Range | 0–6 bar |
| Total Hydrocarbon Content (THC) | <0.1 ppm |
Overview
The i-Lab ZeroAir1 is a laboratory-grade zero-air generator engineered for high-fidelity gas chromatography (GC) applications—particularly as a stable, ultra-pure combustion air source for flame ionization detectors (FID) and flame photometric detectors (FPD). It employs a high-temperature (≥400 °C) platinum-palladium catalytic cracking system to oxidize residual hydrocarbons in compressed air feedstock into CO₂ and H₂O, achieving total hydrocarbon (THC) levels below 0.1 ppm—a specification aligned with ASTM D6216 and ISO 8573-1 Class 1 compressed air purity requirements for analytical instrumentation. Unlike passive filtration systems, the ZeroAir1’s active catalytic architecture ensures consistent, trace-level hydrocarbon removal independent of inlet air quality fluctuations, delivering reproducible baseline stability critical for low-level quantitation in environmental, pharmaceutical, and food safety testing.
Key Features
- Platinum-palladium catalytic reactor operating at ≥400 °C for complete thermal oxidation of C₁–C₁₀ hydrocarbons
- Integrated desiccant and particulate filtration stages ensuring dew point ≤ −40 °C and particle removal down to 0.01 µm
- Oil-free, brushless scroll compressor with anti-vibration mounting and acoustic enclosure—operating noise ≤50 dBA at 1 m
- Compact footprint (≤0.15 m²), designed for benchtop or under-bench installation in space-constrained analytical labs
- Stable pressure regulation across 0–6 bar output range, with built-in overpressure protection and flow monitoring
- Modular quick-connect fittings (¼″ NPT or push-to-connect) compatible with standard GC gas lines and manifold distribution systems
Sample Compatibility & Compliance
The ZeroAir1 is validated for continuous operation with GC-FID/FPD systems from Agilent, Thermo Fisher, Shimadzu, and PerkinElmer. Its output meets USP and ICH Q3C guidelines for residual solvent analysis, as well as EPA Method 8015M and EN 13649-2 requirements for hydrocarbon-free combustion air in ambient air monitoring analyzers. The unit complies with IEC 61010-1 for laboratory electrical safety and carries CE marking per EU Machinery Directive 2006/42/EC. All internal wetted materials—including stainless-steel catalyst housing, anodized aluminum heat exchangers, and fluoropolymer-sealed valves—are inert to reactive gases and certified non-outgassing per ASTM E595.
Software & Data Management
While the ZeroAir1 operates as a standalone hardware system without embedded firmware or touchscreen interface, it supports full integration into GLP/GMP-compliant workflows via analog 4–20 mA pressure/flow output signals and dry-contact status relays (e.g., “catalyst temp OK”, “filter life warning”). These outputs interface directly with lab-wide SCADA systems, LIMS platforms, or chromatography data systems (CDS) such as OpenLab CDS or Chromeleon for automated alarm logging and audit-trail generation. Optional RS-485 Modbus RTU communication enables remote parameter monitoring (e.g., runtime hours, catalyst temperature history) and scheduled maintenance alerts—fully compliant with FDA 21 CFR Part 11 when deployed with validated electronic record systems.
Applications
- Primary combustion air supply for FID and FPD detectors in routine and trace-level GC analysis
- Carrier gas makeup air in multi-detector GC configurations requiring synchronized zero-air streams
- Calibration gas dilution systems where hydrocarbon-free diluent air is mandatory (e.g., EPA TO-15, ASTM D5504)
- Source gas for chemiluminescence NOₓ analyzers and Fourier-transform infrared (FTIR) spectrometers requiring ultra-low THC background
- Supporting ISO/IEC 17025-accredited environmental labs performing VOC speciation, refinery emissions testing, and stack gas analysis
FAQ
What inlet air quality is required for optimal ZeroAir1 performance?
Compressed air feed must be oil-free and contain ≤5 ppm water vapor and ≤0.1 mg/m³ particulates (ISO 8573-1 Class 2:2:2 or better). Use with i-Lab AirComp30 ensures full compliance.
Can the ZeroAir1 be used with multiple GC instruments simultaneously?
Yes—when paired with a calibrated distribution manifold, the 1 L/min model supports up to two FID detectors; for >2 detectors, the ZeroAir5 (5 L/min) is recommended.
How often does the catalytic cartridge require replacement?
Under typical lab use (8 h/day, 5 days/week), the Pt-Pd catalyst maintains <0.1 ppm THC output for ≥12 months; replacement interval is tracked via integrated runtime counter and visual indicator.
Is the ZeroAir1 compatible with hydrogen or helium carrier gas systems?
Yes—the unit supplies only combustion air and is fully isolated from carrier gas pathways; no cross-contamination risk exists.
Does the ZeroAir1 meet regulatory requirements for pharmaceutical QC labs?
Yes—its design, material certifications, and output consistency support validation per USP , ASTM E2500, and Annex 11 for computerized system qualification in GxP environments.
