Junray ZR-1620 Handheld Optical Particle Counter

Overview

The Junray ZR-1620 Handheld Optical Particle Counter is a portable, microprocessor-controlled instrument engineered for real-time quantification of airborne particulate matter based on the principle of single-particle light scattering. It detects and sizes suspended particles in ambient or controlled environments across six calibrated channels—0.3, 0.5, 1.0, 3.0, 5.0, and 10.0 µm—with a nominal volumetric flow rate of 2.83 L/min, conforming to ISO 21501-4 and GB/T 6167–2007 requirements for optical particle counter performance validation. Designed for field-deployable operation in regulated and non-regulated settings, the ZR-1620 delivers traceable, repeatable measurements essential for environmental monitoring, cleanroom certification (ISO 14644-1), HVAC system validation, and filter integrity testing. Its compact form factor, integrated vacuum pump, and battery-powered architecture enable rapid deployment without external power or gas supply—making it suitable for routine audits, commissioning studies, and mobile QA/QC tasks.

Key Features

• Simultaneous six-channel particle counting (0.3, 0.5, 1.0, 3.0, 5.0, and 10.0 µm) with real-time channel-specific concentration output
• Integrated diaphragm vacuum pump ensuring stable flow control at 2.83 L/min (±2% tolerance), compliant with ISO 21501-4 flow stability criteria
• Self-cleaning cycle completed in <5 minutes, minimizing carryover between sequential samples
• Standardized isokinetic sampling probe for representative air intake in ducts and laminar flow hoods
• Dual-sensor probe supporting concurrent temperature and relative humidity acquisition during particle sampling
• Onboard HEPA exhaust filter (≥99.97% @ 0.3 µm) preventing recirculation of sampled aerosol into the test environment
• 3.5-inch capacitive touchscreen with Chinese-language GUI, graphical trend display, and intuitive navigation menu
• Internal rechargeable lithium-ion battery providing ≥3 hours of continuous operation under nominal sampling conditions

Sample Compatibility & Compliance

The ZR-1620 is validated for use with ambient air, compressed air (after appropriate pressure regulation and drying), and filtered process gases within standard laboratory and industrial indoor environments. It complies with national metrological verification specifications JJF 1190–2008 and performance testing methodology outlined in GB/T 6167–2007. While not intrinsically rated for hazardous area use, its design supports operation in Class 100–Class 100,000 cleanrooms per ISO 14644-1, pharmaceutical manufacturing suites (aligned with EU GMP Annex 1 draft guidance), and ISO/IEC 17025-accredited laboratories. All firmware and calibration constants are traceable to national primary standards via Junray’s internal metrology lab, accredited under CNAS (China National Accreditation Service).

Software & Data Management

Data generated by the ZR-1620 is stored internally in non-volatile memory with timestamped, channel-resolved cumulative counts. Users may export datasets in CSV format directly to USB flash drives for offline analysis in Excel, MATLAB, or statistical process control (SPC) platforms. Optional Bluetooth 4.2 connectivity enables wireless printing to certified thermal printers—supporting audit-ready hardcopy reports with embedded device ID, operator tag, sampling duration, and environmental metadata. The instrument maintains full audit trail functionality including user login history, parameter modification logs, and calibration event timestamps—facilitating compliance with GLP and basic GMP documentation requirements where electronic records are permitted under local regulatory interpretation.

Applications

• Cleanroom classification and routine monitoring per ISO 14644-1 and FDA Aseptic Processing Guidance
• HEPA and ULPA filter leak testing and efficiency verification
• Pharmaceutical facility environmental monitoring program (EMP) execution
• Medical device packaging line air quality assessment
• Research-grade aerosol generation and filtration studies
• Indoor air quality (IAQ) surveys in hospitals, laboratories, and semiconductor fabrication support zones

FAQ

What is the recommended calibration interval for the ZR-1620?
Junray recommends annual calibration against NIST-traceable polystyrene latex (PSL) standards, or more frequently if used in high-usage or critical GxP environments.
Does the ZR-1620 meet FDA 21 CFR Part 11 requirements?
The instrument supports ALCOA+ data integrity principles but does not include electronic signature capability; full Part 11 compliance requires integration with validated third-party LIMS or ELN systems.
Can the ZR-1620 operate continuously while charging?
Yes—the device supports pass-through power operation, allowing uninterrupted sampling during AC adapter connection.
Is external software required for data analysis?
No—basic statistical summaries and time-series plots can be viewed on-device; advanced analysis (e.g., particle size distribution fitting, trend forecasting) requires export to external tools.
What maintenance is required beyond routine cleaning?
Annual pump diaphragm inspection, optical chamber wipe-down with isopropyl alcohol, and sensor alignment verification using reference aerosol are advised per the maintenance logbook.