i-Lab KLIC-1 Nitrogen Generator

Overview

The i-Lab KLIC-1 Nitrogen Generator is an engineered gas supply solution specifically designed to meet the stringent operational requirements of Thermo Fisher Scientific IC systems—including Dionex™ Integrion™, HPIC™, and other high-performance ion chromatography platforms. It employs hollow fiber membrane separation technology to continuously extract nitrogen from compressed ambient air, delivering a stable, on-demand stream of ≥99.9% pure nitrogen at up to 2 L/min and 0–6 bar output pressure. Unlike pressure swing adsorption (PSA) systems, membrane-based generation offers inherently smoother flow dynamics, minimal pressure drop, and no molecular sieve regeneration cycles—making it ideal for applications demanding low pulsation (<0.5%), continuous duty operation, and compatibility with auxiliary modules such as electrolytic eluent generators (e.g., Thermo Fisher’s RFIC™ EGC cartridges). The KLIC-1 integrates a dedicated oil-free, low-noise air compressor (<60 dB[A]), precision pressure-balancing control logic, and a built-in buffer tank to suppress compressor cycling—enabling true 7×24 h unattended operation while maintaining GLP-compliant gas stability.

Key Features

• Hollow fiber membrane core: Imported high-selectivity polymeric membrane bundles engineered for optimal O₂/N₂ permeability ratio, achieving consistent ≥99.9% nitrogen purity without consumable desiccants or catalysts.
• Multi-stage gas purification: Integrated hydrocarbon removal filter (≤0.1 ppm total HC), followed by a high-density acidic gas adsorption cartridge targeting SO₂, H₂S, and HF with >99% capture efficiency via combined chemisorption and physical filtration.
• Intelligent pressure management: Proprietary algorithm dynamically modulates compressor duty cycle in coordination with the internal buffer tank, reducing on/off cycling frequency by >70% versus conventional designs—extending compressor service life and minimizing mechanical wear.
• Quiet, maintenance-optimized architecture: Fully oil-free rotary vane compressor with vibration-damping mounts and acoustic insulation; no scheduled lubrication, no carbon filters requiring periodic replacement.
• Modular footprint: All critical subsystems—including membrane stack, buffer reservoir, air dryer pre-filter, and control electronics—are housed within a single 3U (133 mm H × 483 mm W × 450 mm D) chassis for benchtop integration or under-bench mounting.
• Scalable interface capability: Standard ¼″ BSP quick-connect ports and analog 0–10 V / 4–20 mA pressure/flow monitoring outputs support seamless integration with third-party dryers, dew point sensors, or building BMS networks.

Sample Compatibility & Compliance

The KLIC-1 is validated for direct use with Thermo Fisher Dionex™ IC platforms requiring auxiliary nitrogen for detector purge (e.g., conductivity cell blanking), eluent generator pressurization, and autosampler carrier gas. Its purified output meets ASTM D6299-22 specifications for instrumental gas quality and aligns with ISO 8573-1:2010 Class 2:2:2 (solid particles, water, oil) when paired with optional refrigerated air dryer add-ons. The system supports audit-ready operation under FDA 21 CFR Part 11 through optional firmware-enabled electronic logbook (timestamped start/stop events, pressure deviation alerts, runtime hours), and complies with IEC 61000-6-3 (EMC) and GB 4793.1–2019 (safety) standards for laboratory equipment.

Software & Data Management

The KLIC-1 operates via embedded real-time microcontroller firmware with local LED status display (flow rate, outlet pressure, system faults). While no PC software is required for basic operation, optional RS-485 Modbus RTU interface enables remote parameter readout (instantaneous flow, cumulative runtime, compressor cycles) and alarm triggering into LIMS or SCADA environments. Event logs are stored onboard for ≥30 days with automatic overwrite; all timestamps are traceable to internal RTC with ±2 sec/month accuracy. Firmware updates are performed via USB-C port using signed binary packages—ensuring integrity verification prior to installation.

Applications

• Ion chromatography: Continuous purge gas for suppressed and non-suppressed conductivity detectors; pressurization of RFIC™ EGC cartridges and electrolytic eluent generators.
• Environmental analysis: Supporting EPA Methods 300.0, 300.1, and ASTM D4327 for anion/cation quantification where instrument-grade nitrogen is specified.
• Pharmaceutical QC/QA labs: Compliant nitrogen source for USP and EP 2.5.27 method validation protocols requiring documented gas purity and supply continuity.
• Academic and method development labs: Stable, low-cost alternative to liquid nitrogen dewars or high-pressure cylinders—eliminating storage hazards, delivery logistics, and batch-to-batch purity variability.

FAQ

Does the KLIC-1 require external drying or filtration?
No—integrated coalescing pre-filter and acidic gas adsorber provide sufficient purification for standard IC applications. For sub-1 ppm moisture requirements (e.g., IC-MS coupling), optional refrigerated dryer integration is supported.
Can the KLIC-1 be used with non-Thermo Fisher instruments?
Yes—any analytical instrument requiring ≤2 L/min of ≥99.9% N₂ at ≤6 bar may utilize the KLIC-1, provided inlet air quality meets ISO 8573-1 Class 4:4:4 and ambient temperature remains within 10–35°C.
What maintenance intervals are recommended?
Annual inspection of membrane integrity and replacement of hydrocarbon/acidic gas cartridges; compressor oil-free design eliminates lubrication servicing.
Is the output flow adjustable?
Yes—continuous adjustment from 0.5 to 2.0 L/min is available via front-panel potentiometer or analog input signal, with corresponding pressure regulation maintained across the full range.
How does the KLIC-1 handle power interruptions?
Upon restart, the system performs automatic self-check and repressurizes to setpoint within 90 seconds; no manual recalibration or gas purging is required.