PULUODY PLD-0203-16 Cloud-Enabled 16-Channel Optical Particle Counter for Fluid Contamination Analysis
| Brand | PULUODY |
|---|---|
| Origin | Shaanxi, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | PLD-0203-16 |
| Instrument Type | Optical Particle Counter |
| Detection Principle | Light Obscuration (LO) & Light Scattering (LS) |
| Laser Sensor | 7th-Generation Dual-Laser Narrow-Beam Detector |
| Software | P6.4 Integrated Analysis & PC Edition |
| Control System | Embedded Industrial PC or External Industrial PC |
| Compliance Standards | ISO 4406:1999/2017, NAS 1638, SAE AS4059F, GJB 420B, ISO 11500, DL/T 432, GJB 380 |
| Calibration Standards | JJG 1061, ISO 11171, ISO 4402 (ACFTD), GB/T 18854, ASTM F658-87 (PSL Latex Spheres) |
| Measurement Range | 0.03 µm – 3000 µm (model-dependent configuration) |
| Sensitivity | 1 µm (ISO 4402) or 4 µm(c) (ISO 11171 / GB/T 18854) |
| Channel Count | 1000 user-configurable size channels |
| Coincidence Limit | ≤5% error at 10,000 particles/mL |
| Resolution | ≥90% at 60 mL/min |
| Accuracy | <±3% |
| Sample Volume | 1–200 mL (programmable) |
| Volume Precision | ±1% |
| Online Pressure Range | 0–0.6 MPa (standard) |
| Viscosity Range | Offline: 0–99 mm²/s |
| Online | 0–500 mm²/s |
| Flow Rate | Sampling: 5–60 mL/min |
| Cleaning | 5–150 mL/min |
| Temperature Range | Sample: 20–65 °C |
| Ambient | 0–50 °C |
| Power Supply | 220 V AC, 50 Hz, ±1%, <80 W |
| Data Output | Particle count vs. size distribution, histogram, cumulative curve, contamination grade (NAS/ISO), built-in thermal printer |
| Communication Interfaces | RS232, RS485, USB (U-disk), MODBUS, 4–20 mA analog output, 0–5 V analog output |
| Alarm Function | Configurable threshold-based particle count alarm |
| Storage Capacity | Up to 6000 test records (200 tests × 30 results each) |
| Auto-Cleaning | Yes, post-analysis rinse cycle |
| Regulatory Support | FDA 21 CFR Part 11 compliant audit trail (software-enabled), GLP/GMP-ready data integrity framework |
Overview
The PULUODY PLD-0203-16 is a cloud-integrated, 16-channel optical particle counter engineered for high-precision fluid contamination monitoring in critical industrial and defense applications. It operates on dual optical detection principles—light obscuration (LO) and light scattering (LS)—to deliver robust, traceable, and repeatable particle quantification across a broad dynamic range (0.03 µm to 3000 µm). Designed as an evolution of the legacy PLD-0203 platform, this instrument incorporates seventh-generation dual-laser narrow-beam sensing technology, enabling reliable detection of sub-micron contaminants in aviation fuels, phosphate ester hydraulic fluids, turbine oils, and ultra-pure process liquids. Its architecture supports both offline laboratory analysis and online continuous monitoring (via optional pressure-rated flow cells), making it suitable for oil-in-service condition monitoring, component wear assessment, and clean fluid certification workflows.
Key Features
- 16 independently configurable particle size channels selected from a 1000-bin resolution spectrum—enabling granular compliance reporting per ISO 4406, NAS 1638, or custom specifications.
- Dual-mode optical detection: LO for primary counting accuracy in opaque fluids; LS for enhanced sensitivity in low-conductivity or low-refractive-index media such as deionized water or synthetic esters.
- Integrated industrial PC with color touchscreen HMI—no external computer required for operation, calibration, or report generation.
- Fully automated sample handling: programmable aspiration volume (1–200 mL), precision volumetric control (<±1%), and self-contained cleaning cycle using integrated solvent flush paths.
- Cloud connectivity via PULUODY Oil Monitoring Cloud Platform—enables remote diagnostics, fleet-wide trend analysis, automatic report archiving, and secure multi-user access with role-based permissions.
- Comprehensive regulatory readiness: software supports electronic signatures, full audit trail (per FDA 21 CFR Part 11), and raw-data export in CSV and PDF formats compliant with GLP and GMP documentation requirements.
Sample Compatibility & Compliance
The PLD-0203-16 accommodates a wide range of fluid matrices without pre-filtration or dilution—including jet fuel (JP-5, JP-8), aviation lubricants (MIL-PRF-23699), phosphate ester hydraulic fluids (e.g., Skydrol®), transformer oils, hydraulic mineral oils, and ultrapure water (UPW). Its pressure-tolerant flow cell (up to 31.5 MPa with regulator) allows direct integration into closed-loop systems for real-time monitoring of gearboxes, servo valves, and turbine lube circuits. The instrument is validated against international reference standards including ISO 11171 (for calibration traceability), ISO 4402 (ACFTD), and ASTM F658-87 (PSL latex spheres), ensuring metrological equivalence across global laboratories. It meets the technical and procedural requirements of ISO 11500, GJB 420B, SAE AS4059F, and DL/T 432—making it deployable in aerospace maintenance depots, naval engineering centers, and power generation facilities subject to strict military or civilian certification regimes.
Software & Data Management
The P6.4 Analysis Software Suite provides a unified interface for instrument control, method development, statistical evaluation, and compliance reporting. Users define multi-parameter test protocols—including particle size binning, sampling duration, flow rate, and pass/fail thresholds—and save them as reusable templates. Real-time histograms update during acquisition, while post-test analysis includes differential/cumulative distributions, contamination grade assignment (e.g., ISO Code 18/16/13), and statistical summaries (mean, SD, CV%). All raw data—including timestamped detector voltage waveforms, pulse height spectra, and environmental logs—are stored with cryptographic hash integrity. Export options include CSV (for LIMS integration), XML (for enterprise MES systems), and PDF reports with embedded digital signatures. Audit trails record operator actions, parameter changes, calibration events, and alarm triggers—retained for ≥10 years per configurable retention policy.
Applications
- Aerospace: Wear debris analysis in aircraft engine oil, hydraulic fluid cleanliness verification per SAE AS4059F, and fuel particulate screening for turbine inlet protection.
- Defense Logistics: Batch certification of battlefield lubricants, predictive maintenance of armored vehicle transmissions, and corrosion inhibitor suspension stability testing.
- Power Generation: Transformer oil particulate load trending, feedwater purity validation in nuclear steam cycles, and hydraulic control system contamination mapping.
- Pharmaceutical Manufacturing: Final rinse water qualification (USP , EP 2.9.19), cleanroom utility fluid monitoring, and bioreactor media filtration verification.
- R&D Laboratories: Nanoparticle dispersion stability studies, additive package interaction analysis, and tribological formulation optimization under accelerated aging conditions.
FAQ
Does the PLD-0203-16 support real-time online monitoring?
Yes—when equipped with the high-pressure flow module and compatible with PLC or DCS integration via MODBUS RTU or 4–20 mA analog output.
Can I customize particle size bins beyond the standard ISO/NAS ranges?
Absolutely—the 1000-channel spectral engine allows defining any 16 contiguous or non-contiguous bins between 0.03 µm and 3000 µm.
Is calibration traceable to NIST or other national metrology institutes?
Calibration follows ISO 11171 and GB/T 18854 using certified PSL or ISO MTD reference materials; traceability documentation is provided with each calibration kit.
How does the system handle highly viscous or corrosive fluids?
The wetted path uses chemically resistant sapphire optics, Hastelloy C-276 flow cells, and optional fluoropolymer tubing—validated for phosphate esters, chlorinated solvents, and high-TAN oils.
What cybersecurity measures are implemented for cloud data transmission?
All cloud communications use TLS 1.2+ encryption, OAuth 2.0 authentication, and isolated tenant databases compliant with ISO/IEC 27001 information security management standards.
