UNI-T UT337B Professional Laser Particle Counter
High-Precision Airborne Particle Detection with Comprehensive Environmental Monitoring
The UNI-T UT337B is a professional-grade laser particle counter offering synchronized six-channel detection of airborne particles from 0.3μm to 10.0μm. Engineered for precise environmental monitoring applications, its intuitive 3.5" color display provides clear visualization of particle distribution data in real-time. With advanced features including integrated temperature and humidity sensors, WiFi/USB connectivity, built-in camera, and compatibility with industry-standard ISO/EU-GMP classifications, this versatile instrument delivers the reliability needed by environmental engineers, cleanroom technicians, HVAC specialists, and quality control professionals in pharmaceutical, healthcare, electronics manufacturing, and indoor air quality applications.
Key Features
- Six-Channel Particle Detection: Simultaneous measurement of 0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, and 10.0μm particles
- High Flow Sampling Rate: 2.83L/min (0.1CFM) for rapid and accurate air quality assessment
- 3.5" Color LED Display: Clear, high-visibility screen for intuitive data monitoring
- Integrated Environmental Sensors: Measures temperature (-10°C to 50°C), humidity (0.1% to 99.9%), and dew point
- Dual Connectivity: WiFi for wireless monitoring and Type-C USB for direct data transfer
- Built-in Camera: Captures environmental context photos linked to measurement data
- ISO/EU-GMP Classifications: Direct display of compliance with international cleanroom standards
- Extensive Data Storage: Internal memory for 10,000 measurement records
- High Reliability Sampling: Meets ISO 21501-4:2018 standards with particle distribution error ≤±30%
- Multiple Counting Modes: Cumulative and differential concentration/counting options for versatile analysis
Professional-Grade Precision for Demanding Applications
The UNI-T UT337B delivers exceptional measurement accuracy with its advanced laser scattering technology, providing reliable detection across all six particle size channels. With counting efficiency of ≥50% at 0.3μm and 100% at 0.5μm, it offers laboratory-grade precision in a portable instrument. The high-flow sampling system ensures rapid data collection at 2.83L/min (0.1CFM), making it ideal for real-time environmental monitoring applications where quick assessment is essential.
The specialized ISO and GMP measurement modes provide direct compliance evaluation with international standards ISO 14644-1:2015 (Classes ISO 4-9) and EUGMP Annex 1 (Grades A-D), eliminating the need for manual calculations and ensuring consistent classification across different environments. This capability is essential for cleanroom validation, pharmaceutical manufacturing, and other regulated industries where particle monitoring documentation is mandatory.
Comprehensive Monitoring Capabilities
The UT337B combines essential particle counting with integrated environmental monitoring to deliver complete diagnostic capabilities. Beyond standard particle concentration measurements, it offers:
- Temperature monitoring from -10°C to 50°C with ±0.5°C accuracy
- Relative humidity measurement from 0.1% to 99.9% with ±5.0% accuracy
- Dew point calculation from 0°C to 50°C with ±0.5°C accuracy
- Customizable sampling intervals from 5 seconds to 6 hours
- Programmable sampling delays from 5 to 240 seconds
- Maximum particle concentration measurement up to 2,000,000/L
- LED and audio alerts when thresholds are exceeded
- Multiple data viewing options including tabular and trend analysis
The optional integrated camera enables technicians to document environmental context by capturing images that are automatically linked to measurement data, providing valuable visual reference for site investigations, troubleshooting, and compliance documentation.
Smart Connectivity and Data Management
The integrated WiFi connectivity pairs with UNI-T's mobile application, allowing technicians to:
- Monitor measurements remotely in real-time
- Generate comprehensive sampling reports in PDF and CSV formats
- Document particle concentration trends over time
- Export data with synchronized temperature and humidity values
- Share findings with team members instantly
This connectivity transforms the UT337B from a simple measurement tool into a complete environmental monitoring system, enabling professionals to document conditions, analyze trends, and maintain comprehensive records. The Type-C USB interface provides an alternative direct connection for data transfer and power.
Professional Applications
Cleanroom Validation
Cleanroom certification specialists rely on the UT337B's precision and standards compliance for:
- ISO 14644-1 classification verification
- EUGMP Annex 1 pharmaceutical compliance testing
- Routine monitoring and documentation of critical environments
- HEPA filter efficiency testing
- Contamination source identification
Healthcare Facilities
Medical environmental specialists leverage the UT337B's comprehensive monitoring for:
- Operating room air quality validation
- Isolation room pressure differential verification
- Sterile compounding area certification
- Infection control environmental assessment
- HVAC system performance verification
Electronics Manufacturing
Production quality control personnel depend on the UT337B's sensitivity for:
- Semiconductor fabrication environment monitoring
- Hard drive assembly area certification
- Electronics assembly workspace validation
- Research and development lab qualification
- Equipment enclosure environmental assessment
Indoor Air Quality Assessment
Environmental consultants utilize the UT337B for:
- Building occupant health investigations
- HVAC system performance evaluation
- Post-remediation verification
- Airborne contaminant source identification
- Environmental compliance documentation
Frequently Asked Questions
How many particle size channels does the UT337B measure?
The UT337B simultaneously measures 6 particle size channels (0.3µm, 0.5µm, 1.0µm, 2.5µm, 5.0µm, and 10µm), providing a complete particle size distribution for cleanroom classification and indoor air quality assessment.
What standards does the UT337B support?
The UT337B supports ISO 14644 cleanroom classification standards and can display results in particles per cubic foot or per cubic meter to match your documentation requirements.
Does the UT337B include data logging?
Yes. The UT337B stores measurement data internally and can transfer logs for documentation and reporting — essential for cleanroom certification and HVAC filter verification records.
Warranty
This product includes a standard 1-year warranty covering manufacturing defects and component failures under normal use conditions.
UNI-T stands behind every product we sell. If you experience any issues within the warranty period, our US-based support team is here to help with troubleshooting, repair, or replacement.
Data Sheets and Manuals
Software / Firmware Downloads
- Not currently available. Contact us with questions.
