ZR-1631/ZR-1661 Airborne Particle Counter
Overview
ZR-1631 and 1661 are a new generation of portable particle counters from Junray. The newly redesigned instrument delivers an unparalleled user experience. It supports simultaneous monitoring across six particle size channels. High-precision flow control ensures accurate, reliable data. The intuitive user interface enables fast, efficient operation, it streamlines your cleanroom testing workflow for maximum efficiency.
Applications
• Pharmaceutical and biologicals production
• Food, beverages, and cosmetic production
• Isolator and other controlled environments
• HEPA filter and filter materials production
• HVAC system and filter verification
• Facility cleanliness validation and monitoring
Features
• 21 CFR Part 11 compliance.
• Supports three-level user management and audit trail.
• 8-inch color touch screen, fast-response user interface.
• Dual hot-swapable long life lithium batteries.
• Supports fingerprint recognition, one-touch login.
• Colorful light strip notification.
• Supports preset schemes and create result reports.
• Optional barcode scanner for fast room and sampling scheme recall.
• Built-in thermal printer supports auto-print.
• Calibrated with a traceable calibration system according to ISO 21501-4 requirements.
• Compact, lightweight, portable and rugged.
• 128 GB storage capacity for up to 100,000 data records
Standards
• ISO 14644
• ISO 21501-4:2018
• GMP (2022) Annex 1
• Federal Standard 209E
• Schedule M
• JIS B 9921:2010
Benefits
Complete data integrity and traceability
• 21 CFR Part 11 compliance, supports three-level user management with customizable permissions.
• Combined with a full audit trail, it ensures complete data security and traceability.
• Users can set fingerprints for rapid login. All operations are fully auditable.
• Supports electronic signature, ensure the data reliability.
• Generates unmodifiable PDF reports.
• Multiple interfaces support data export, peripheral connection and future system integration.

Efficient and intelligent interaction
• Fast-response touchscreen ensures a smooth user experience.
• Optional barcode scanner for entering sampling scheme.
• Voice broadcast notifications.
• Multi-color LED status bar provides at-a-glance device status.
• Synchronize sampling schemes across multiple units to maintain consistent standards plant-wide.

Friendly in-situ application
• Preset ISO/GMP standards, automatic UCL calculation, one touch to create report.
• Show concentrations graph in real-time, the monitoring process is visual. Supports voice, light strip, beep and display multiple notifications and alarm methods.
• Large storage(128 GB) can preset 20,000 scheme and 100,000 data records.
• Support up to 2 batteries, hot swapable and long life.

Rugged design and easy to maintain
• High quality wheeled carrying case provides strong protection and good portability.
• 316L stainless steel enclosure, corrosion-resistant, can be directly wiped with alcohols and other commonly used disinfectants.
• Purge function for rapid self-clean, HEPA-filtered exhaust helps reduce contamination risk.
• Self-check the status of key components to provide support for preventive maintenance.
Packing List
Deliver Goods

|
Parameters |
Range |
|
| Model | ZR-1631 | ZR-1661 |
| Flow rate | 28.3 L/min ±2% | 100 L/min ±2% |
| Channel sizes | 0.3, 0.5, 1.0, 3.0, 5.0, and 10.0 μm | |
| Counting efficiency | 0.3 μm: 50%±20%; >0.5 μm: 100%±10% | |
| Error of particle size distribution | 0.5 μm and 5 μm channel: ≤ ±30% | |
| Repeatability | ≤10 %FS | |
| Concentration indication error | 0.5 μm channel: ≤±30%FS | |
| Light source | Long life laser diode | |
| Concentration limit | 37,000,000/m3, 10% coincidence loss | 17,000,000 /m3, 10% coincidence loss |
| Zero count | <1 count /5 min | |
| Preset scheme |
20,000 groups 20,000 rooms 20,000 recipes 200,000 locations |
|
| Data storage | 128 GB, up to 100,000 data records | |
| Sampling delay | 0~23h59min59s | |
| Sampling duration | 1s~23h59min59s | |
| Sampling interval | 0~23h59min59s | |
| Sampling cycle | 1~1000 times | |
| Sampling mode | Manual, automatic, cumulative, differential, concentration, count number, UCL calculation, purge, self-clean | |
| Alarm and notification | Audible and visible: beep, voice, display, multi-color light strip | |
| Report | Generates reports for ISO 14644, EU GMP and Fed Std 209E workflows | |
| Data export | Built-in thermal printer, support external dot matrix printer, export PDF report and data to USB drive | |
| Data integrity | 3 level user management and audit trail, 21 CFR part 11 compliance | |
| Display | 8-inch color touch screen | |
| Enclosure material | 316L Stainless Steel | |
| Exhaust filtration | Built-in HEPA filter (>99.97%@0.3 μm) | |
| Sampling data | Automatically store records; Supports USB flash drive export and embedded printer printing | |
| Communication methods | Wi-Fi, Bluetooth, RS485, RS232 | |
| Communication Interfaces | USB, RS485, RS232, RJ45, Analog, Pulse Signal | |
| Power supply | DC 15V | |
| Battery | About 8 hours (two batteries), hot swappable | About 4 hours (two batteries), hot swappable |
| Noise | ≤60 dB(A) | |
| Language | English and Chinese | |
| Dimension | (L252×W172×H287) mm | |
| Weight | About 5.6 kg (without battery), each battery 0.45 kg | |
| Power consumption | ≤120 W | ≤180 W |
| Operating condition | 5~35℃, 5-90% RH no condensation | |







