Jinpu JPA-3L Air Generator
| Brand | Jinpu |
|---|---|
| Origin | Shandong, China |
| Model | JPA-3L |
| Output Flow Rate | 2.0–3000 mL/min |
| Output Pressure | 0.4 MPa |
| Noise Level | <30 dB(A) |
| Dimensions (L×W×H) | 415 × 200 × 370 mm |
| Weight | ~22 kg |
| Power Consumption | ≤150 W |
| Input Voltage | 220 ± 22 V AC, 50 ± 0.5 Hz |
| Operating Temperature | 10–40 °C |
| Relative Humidity | ≤85% RH |
| Air Purity | Oil-free and desiccated |
Overview
The Jinpu JPA-3L Air Generator is an engineered solution for laboratories requiring a continuous, stable, and oil-free source of compressed air for analytical instrumentation. Designed around a quiet, brushless diaphragm compressor coupled with multi-stage filtration—including activated carbon, molecular sieve, and ultra-fine particulate traps—the system delivers purified air meeting stringent requirements for gas chromatography (GC), GC–MS, elemental analyzers, and as feed gas for nitrogen generators. Unlike high-pressure cylinders, the JPA-3L eliminates safety hazards associated with cylinder handling, storage, and pressure surges, while ensuring consistent delivery across variable demand profiles. Its core architecture supports both continuous and intermittent operation without performance degradation, making it suitable for ISO/IEC 17025-accredited testing labs where traceability and operational reliability are mandated.
Key Features
- Stable output pressure regulation with fluctuation ≤ ±0.005 MPa—critical for pressure-sensitive detectors such as flame ionization (FID) and thermal conductivity (TCD) units.
- Ultra-low acoustic signature (<30 dB[A] at 1 m distance), enabling deployment in shared lab spaces or noise-sensitive environments including cleanrooms and QA/QC suites.
- Integrated dual-protection circuitry: overpressure cutoff and overcurrent shutdown—compliant with IEC 61010-1 safety standards for laboratory electrical equipment.
- Compact footprint (415 × 200 × 370 mm) and lightweight design (~22 kg) facilitate benchtop integration without structural reinforcement.
- Energy-efficient operation (≤150 W max power draw) with automatic idle mode during low-flow conditions to extend service intervals and reduce thermal load.
- Filter life indicators and modular cartridge design simplify scheduled maintenance under GLP-compliant documentation protocols.
Sample Compatibility & Compliance
The JPA-3L supplies instrument-grade air compliant with ASTM D6299 (standard practice for laboratory quality control evaluation) and ISO 8573-1:2010 Class 1.2.1 for solid particles, water, and oil content. It is validated for use with all major GC platforms—including Agilent, Thermo Fisher, Shimadzu, and domestic OEMs—as well as FTIR accessories, plasma emission systems, and pneumatic sample introduction modules. The unit operates within ambient conditions defined by ISO/IEC 17025 clause 5.3.2 (environmental monitoring), and its electrical interface conforms to CE marking directives (EMC Directive 2014/30/EU and LVD Directive 2014/35/EU). No external drying or oil removal stages are required for standard GC applications.
Software & Data Management
While the JPA-3L is a standalone analog-controlled generator without embedded firmware or digital interfaces, its mechanical stability and pressure repeatability support full integration into automated lab environments via external PLC-triggered start/stop signals (optional relay module available). All operational parameters—including flow rate, pressure setpoint, and runtime hours—are manually logged per internal SOPs. For labs operating under FDA 21 CFR Part 11 or EU Annex 11 requirements, the device is compatible with third-party electronic lab notebooks (ELNs) and LIMS platforms through analog signal logging (0–5 V or 4–20 mA output modules, sold separately). Maintenance records, filter replacement dates, and calibration logs can be archived in accordance with ISO/IEC 17025 clause 8.3.
Applications
- Primary air supply for FID, NPD, and TSD detectors in gas chromatographic analysis.
- Feed gas for membrane-based or PSA-type nitrogen generators used in LC–MS and elemental analysis.
- Pneumatic actuation in autosamplers, valve actuators, and purge-and-trap concentrators.
- Air source for FTIR gas cells, headspace samplers, and controlled-atmosphere reaction chambers.
- Backup or primary air source in pharmaceutical QC labs adhering to USP <1058> Analytical Instrument Qualification guidelines.
FAQ
What is the maximum allowable inlet humidity for optimal filter lifetime?
Inlet air relative humidity should not exceed 85% RH at 25 °C; higher moisture loads accelerate desiccant saturation and require more frequent filter replacement.
Can the JPA-3L be used with oxygen-sensitive instruments?
No—it generates ambient-air-derived gas (≈78% N₂, 21% O₂); for inert atmospheres, pair with a dedicated nitrogen generator.
Is the output pressure adjustable?
Yes—the front-panel pressure regulator allows fine-tuning between 0.1 and 0.4 MPa, with factory-set default at 0.4 MPa for GC compatibility.
Does the unit include a built-in dew point monitor?
No; however, optional external chilled-mirror hygrometers (e.g., Vaisala DM70) may be installed downstream for real-time moisture verification.
What is the recommended service interval for filter cartridges?
Under typical lab usage (8 h/day, 5 days/week), carbon and desiccant filters should be replaced every 6–12 months—documented per ISO/IEC 17025 clause 6.4.6.
