JWL-IIB202 Universal Air Microbial Sampler
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | JWL-IIB202 |
| Pricing | Upon Request |
Overview
The JWL-IIB202 Universal Air Microbial Sampler is an engineered solution for quantitative and qualitative airborne microbial monitoring in controlled environments, cleanrooms, healthcare facilities, pharmaceutical production areas, and field-based environmental studies. It operates on the principle of inertial impaction—specifically, a patented slit-type impactor design—optimized to collect viable microorganisms ≥1 µm aerodynamic diameter with high physical fidelity. Unlike filtration or electrostatic precipitation methods, inertial impaction preserves microbial viability by depositing particles directly onto agar surfaces at controlled velocity, enabling subsequent colony isolation and identification. The device meets core functional requirements aligned with ISO 14698-1 (Biocontamination control), ISO 8573-7 (Compressed air — Part 7: Viable particle counting), and supports GLP-compliant environmental monitoring workflows.
Key Features
- Slit-type inertial impactor architecture with patented aerodynamic flow channel design ensures non-overlapping deposition of microbial particles, minimizing colony coalescence and improving colony isolation accuracy.
- High-efficiency capture performance: ≥95% collection efficiency for airborne bacteria (tested in standardized aerosol chamber per ISO 8573-7 reference protocols); ≥90% for viral particles under comparable test conditions.
- Optimized Petri dish utilization: >98% surface area coverage on standard 90 mm culture plates—approximately 8× higher than conventional single-stage impactors—reducing sampling time and increasing statistical confidence per unit volume.
- Integrated five-in-one detection capability: validated for simultaneous capture and culturability assessment of bacteria, fungi, bacteriophages, viruses, and airborne pollen grains.
- Dual-power operation: AC/DC compatible with built-in rechargeable battery (3.3 Ah), supporting up to 7 hours of continuous sampling at 20 L/min; auto-sensing power mode eliminates manual switching.
- Low-noise operation (<59 dB(A) at 1 m), compact footprint (300 × 160 × 370 mm), and ergonomic handheld sampling head enable flexible deployment—including surface monitoring of garments, equipment, and HVAC duct interiors.
- Precision flow control: adjustable volumetric flow range from 12.5–37.5 L/min, with real-time digital flow indication (±2.5% accuracy) and drift stability ≤±2% per minute.
Sample Compatibility & Compliance
The JWL-IIB202 accepts standard 90 mm Petri dishes—both disposable polystyrene and autoclavable, low-temperature sterilizable variants (optional). Its impactor geometry maintains consistent shear stress across the agar surface, preserving viability of sensitive organisms including enveloped viruses and filamentous fungi. The system complies with mechanical and operational prerequisites referenced in USP (Microbiological Control and Monitoring of Aseptic Processing Environments), EU GMP Annex 1 (2022), and ASTM D6329 (Standard Guide for Assessing Microbial Contamination in Cleanrooms). Negative pressure tolerance up to –500 mmHg enables integration into exhaust ducts or negative-pressure isolation rooms without flow compromise.
Software & Data Management
While the JWL-IIB202 operates as a standalone hardware platform with tactile interface (time setting, flow adjustment, start/stop), it supports traceable data logging via optional USB-connected PC software. This module records timestamped sampling parameters—including actual flow rate, cumulative volume, runtime, and battery status—generating CSV exports suitable for audit trails. All electronic logs adhere to ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) and may be configured to meet FDA 21 CFR Part 11 requirements when paired with institutional electronic signature infrastructure.
Applications
- Environmental monitoring in Grade A/B cleanrooms per ISO 14644-1 and EU GMP Annex 1.
- Routine surveillance of hospital air handling units (AHUs), operating theatres, and isolation wards.
- Validation and routine testing of biosafety cabinets and laminar flow hoods.
- Field-based bioaerosol research—including agricultural settings, wastewater treatment plants, and pandemic response deployments.
- Pharmaceutical stability chambers and isolator qualification studies.
- Surface bioburden assessment using the detachable handheld probe for garment, glove, and equipment swab validation.
FAQ
What is the minimum detectable particle size for viable microorganisms?
The JWL-IIB202 achieves effective inertial impaction for particles ≥1 µm aerodynamic diameter under standard operating conditions (20 L/min, 90 mm agar plate).
Is calibration certification available?
Yes—NIST-traceable flow calibration certificates are provided upon request, compliant with ISO/IEC 17025-accredited laboratory practices.
Can the sampler operate in sub-zero ambient temperatures?
It functions reliably between –10°C and +40°C; however, agar solidification and microbial metabolic activity must be considered separately during cold-environment deployment.
Does the device support automated serial dilution or multi-stage cascade sampling?
No—the JWL-IIB202 is a single-stage, fixed-geometry impactor optimized for rapid, high-yield collection rather than size-fractionated analysis.
What maintenance intervals are recommended?
Routine cleaning of the impactor head and sampling nozzle is advised after each use; motor and sensor calibration verification is recommended every 6 months or after 250 operational hours.
