PULUODY PLD-0201 Optical Particle Counter
| Brand | PULUODY |
|---|---|
| Origin | Shaanxi, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | PLD-0201 |
| Instrument Type | Optical Particle Counter |
| Detection Principle | Light Obscuration (LO) |
| Laser Source | 8th-Generation Dual-Laser Narrow-Beam Sensor |
| Measurement Range | 0.01 µm to 1000 µm (sensor-dependent) |
| Channel Capacity | Up to 1000 user-configurable size channels |
| Sensitivity | 1 µm (per ISO 4402) or 4 µm(c) (per ISO 11171 / GB/T 18854) |
| Sample Flow Control | Precision Piston Pump + Ultra-Precise Electromagnetic Flow Regulation |
| Flow Rate | 5–60 mL/min (test), 10–100 mL/min (cleaning) |
| Sample Volume Accuracy | ±1% |
| Pressure Range | −0.08 to 0.8 MPa |
| Viscosity Limit | ≤450 mm²/s |
| Operating Temperature | Ambient to 65 °C |
| Ambient Temperature | 0–50 °C |
| Power Supply | 220 V, 50 Hz, <80 W |
| Compliance Standards | ISO 11171, ISO 4406, ISO 4402, NAS 1638, GB/T 14039, GB/T 18854, JJG/T 066, DL/T 432, GJB 420A/B, ASTM D2276, MIL-STD-1246, USP <788>, USP <789> |
| Software Platform | PULL 8.1 Industrial Control & Analysis System (multi-language: English, Chinese, Japanese, Korean, etc.) |
| Data Storage | 3000+ tests on embedded industrial PC |
| Output Interface | RS232, integrated thermal printer, color LCD touchscreen (dual touch/keyboard input), iPad-compatible data acquisition module |
| Calibration Support | ACFTD & MTD traceable calibration |
Overview
The PULUODY PLD-0201 Optical Particle Counter is an industrial-grade, dual-laser light obscuration (LO) instrument engineered for high-precision, trace-level particulate contamination analysis in liquid media. It operates on the fundamental principle of detecting transient reductions in laser beam intensity caused by particles passing through a focused optical sensing zone—enabling quantitative determination of particle count and size distribution per unit volume. Designed for demanding environments including aerospace hydraulics, power generation, semiconductor manufacturing, and pharmaceutical cleanroom fluid management, the PLD-0201 delivers metrologically traceable measurements aligned with international standards such as ISO 11171 (calibration), ISO 4406 (reporting), NAS 1638 (military hydraulics), and USP / (injectable solutions). Its modular sensor architecture supports configurable detection ranges—from sub-100 nm nanoparticles to millimeter-scale debris—making it uniquely adaptable across organic solvents, aqueous systems, oils, and ultra-pure water.
Key Features
- 8th-generation dual-laser narrow-beam optical sensor with enhanced signal-to-noise ratio, long-term stability (>10,000 hours MTBF), and minimized coincidence error (≤5% at 10,000 particles/mL)
- 1000-channel resolution with fully customizable binning—enabling compliance with over 510 global particle reporting standards including GJB 420B, MOOG, DL/T 1096, and MIL-STD-1246
- Integrated dual-mode fluid handling system featuring positive/negative pressure pre-treatment, magnetic stirring, vacuum degassing, and viscosity compensation (up to 450 mm²/s)
- Precision piston pump combined with electromagnetic flow control ensures volumetric accuracy better than ±1% and repeatable flow rates between 5–60 mL/min
- Self-contained industrial control platform with 10.1″ color touchscreen, embedded thermal printer, and dual-input interface (touch + physical keyboard)
- Real-time histogram generation, cumulative/differential distribution curves, ISO/NAS/GJB grade assignment, and automated pass/fail evaluation against user-defined limits
Sample Compatibility & Compliance
The PLD-0201 accommodates a broad spectrum of liquid matrices without mandatory pre-filtration or dilution: hydraulic oils (mineral, synthetic, water-glycol), turbine oils, transformer insulating fluids, aviation fuels, coolants, phosphate esters, polymer solutions, and ultrapure water (UPW). Its optical design mitigates refractive index interference, enabling reliable measurement in both transparent and moderately turbid media. Regulatory alignment includes full support for GLP/GMP workflows: audit-trail-enabled software (PULL 8.1), electronic signatures, 21 CFR Part 11-compliant data integrity controls, and traceable calibration using NIST-traceable ACFTD/MTD suspensions and GBW-certified reference materials. Optional certification reports are available from nationally accredited metrology institutions—AVIC Particle Metrology Test Station and National Northwest Metrology Center—validating instrument performance per JJG 1061 and GB/T 18854.
Software & Data Management
PULL 8.1 is a purpose-built, real-time operating system deployed on an embedded industrial PC. It separates analytical testing routines from calibration protocols to prevent cross-contamination of critical metrological parameters. The software supports concurrent operation of measurement, calibration, and system diagnostics—each running in isolated threads with deterministic timing. Data storage includes 3,000+ local test records with timestamped metadata (operator ID, sample ID, environmental conditions, sensor status). Export formats include CSV, PDF, XML, and proprietary .PLD binary for long-term archival. Remote connectivity options include RS232 serial link, USB host port, and optional Wi-Fi/Ethernet modules for integration into LIMS or MES platforms. Multi-language UI (English, Chinese, Japanese, Korean, German, French, Spanish, Russian, Arabic, Portuguese) ensures operational consistency across multinational facilities.
Applications
This instrument serves mission-critical roles across regulated and high-reliability sectors. In aviation maintenance, it verifies hydraulic fluid cleanliness prior to aircraft deployment per MIL-STD-1246 Class 100 or GJB 420B Level 000. In power plants, it monitors turbine oil degradation and detects wear debris indicative of bearing or gear failure. Semiconductor fabs deploy it for UPW qualification per SEMI F63 and ISO 14644-1 Class 1–5 monitoring. Pharmaceutical manufacturers use it for filter validation, final rinse water assessment, and parenteral solution testing per USP . Additional applications include lubricant life extension analysis in wind turbines, contamination forensics in failed hydraulic actuators, and R&D characterization of nanosuspensions in drug delivery formulations.
FAQ
What calibration standards does the PLD-0201 support?
It supports ISO 11171 (for calibration), ISO 4402 (for legacy method validation), and national standards including GB/T 18854 and JJG/T 066. Certified reference materials (ACFTD, MTD, GBW series) are supplied with full traceability documentation.
Can the instrument measure sub-micron particles in water-based solutions?
Yes—when equipped with optional nanoparticle sensors (e.g., 0.01–0.1 µm range), it achieves detection down to 10 nm in low-conductivity aqueous media, compliant with USP for ophthalmic preparations.
Is remote software update and diagnostic support available?
Yes—PULUODY’s OIL17 Service Star program provides secure cloud-based firmware updates, predictive maintenance alerts, and remote engineering assistance under annual service contracts.
Does the system meet FDA 21 CFR Part 11 requirements?
PULL 8.1 includes role-based access control, electronic signature capture, immutable audit trails, and data encryption—fully satisfying Part 11 criteria for electronic records and signatures in regulated environments.
How is sample carryover prevented between tests?
The integrated cleaning cycle uses programmable flow rate, duration, and solvent selection (including isopropyl alcohol or filtered air), validated via blank run verification per ISO 21501-4.
