UT337B Professional Laser Particle Counter
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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.
- 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
Additional Features
- Display Type: 3.5" Color LED screen
- Counting Modes: Cumulative; Differential concentration/counting
- Sampling Delay: 5 to 240 seconds
- Time Interval: 5 to 240 seconds
- Purge Time: ≤10min (Continuous 0 for 2 times in 10 minutes; 95% reliability)
- Built-in Camera: For environmental documentation
- Storage Environment: -30°C to 50°C, 0% to 95% (Non-condensation)
- Multiple Languages: EN, FR, DE, IT, ES, SV, PL, CS
Package Contents
- UNI-T UT337B Laser Particle Counter
- Type-C Cable
- Hand Strap
- Purge Filter
- Sampling Tube
- User Manual
- Carrying Case
Specifications
| Measurement | Range/Specification | Accuracy/Detail |
|---|---|---|
| Particle Size | 0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, 10.0μm (6-Channel) | ISO 21501-4-2018 Standard |
| Counting Efficiency | 0.3μm ≥ 50%; 0.5μm: 100% | Reference Standard Calibrated |
| Sampling Flow | 2.83L/min (±5%), 0.1CFM | Automatic Flow Control |
| Particle Distribution Error | ≤ ±30% (0.5μm and 5.0μm) | Certified Accuracy |
| Particle Concentration Error | ≤ ±30%FS (0.5μm) | Full Scale Accuracy |
| Maximum Sampling Concentration | 2,000,000/L | High Concentration Capability |
| Sampling Time | 5s to 6h | User Programmable |
| Sampling Points (Location) | 1000 | Comprehensive Location Tracking |
| Temperature Range | -10°C to 50°C | ±0.5°C |
| Relative Humidity Range | 0.1% to 99.9% | ±5.0% |
| Dew-Point Temperature Range | 0°C to 50°C | ±0.5°C |
| Data Storage | 10,000 Records | Non-volatile Memory |
| Working Time | Approximately 5 hours | 2600mAh Li-ion Battery |
| Working Environment | 0°C to 50°C, 0% to 95% RH | Non-condensation |
| Safety Standards | EN61326-1:2021 (Class A), EN60825-1:2014 | CE, RoHS Certified |
| Product Size | 290×103×62mm | Handheld Design |
| Product Net Weight | Approximately 710g | Portable for Field Use |
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Product Information
Product Information
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.
- 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
Additional Features
- Display Type: 3.5" Color LED screen
- Counting Modes: Cumulative; Differential concentration/counting
- Sampling Delay: 5 to 240 seconds
- Time Interval: 5 to 240 seconds
- Purge Time: ≤10min (Continuous 0 for 2 times in 10 minutes; 95% reliability)
- Built-in Camera: For environmental documentation
- Storage Environment: -30°C to 50°C, 0% to 95% (Non-condensation)
- Multiple Languages: EN, FR, DE, IT, ES, SV, PL, CS
Package Contents
- UNI-T UT337B Laser Particle Counter
- Type-C Cable
- Hand Strap
- Purge Filter
- Sampling Tube
- User Manual
- Carrying Case
Specifications
| Measurement | Range/Specification | Accuracy/Detail |
|---|---|---|
| Particle Size | 0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, 10.0μm (6-Channel) | ISO 21501-4-2018 Standard |
| Counting Efficiency | 0.3μm ≥ 50%; 0.5μm: 100% | Reference Standard Calibrated |
| Sampling Flow | 2.83L/min (±5%), 0.1CFM | Automatic Flow Control |
| Particle Distribution Error | ≤ ±30% (0.5μm and 5.0μm) | Certified Accuracy |
| Particle Concentration Error | ≤ ±30%FS (0.5μm) | Full Scale Accuracy |
| Maximum Sampling Concentration | 2,000,000/L | High Concentration Capability |
| Sampling Time | 5s to 6h | User Programmable |
| Sampling Points (Location) | 1000 | Comprehensive Location Tracking |
| Temperature Range | -10°C to 50°C | ±0.5°C |
| Relative Humidity Range | 0.1% to 99.9% | ±5.0% |
| Dew-Point Temperature Range | 0°C to 50°C | ±0.5°C |
| Data Storage | 10,000 Records | Non-volatile Memory |
| Working Time | Approximately 5 hours | 2600mAh Li-ion Battery |
| Working Environment | 0°C to 50°C, 0% to 95% RH | Non-condensation |
| Safety Standards | EN61326-1:2021 (Class A), EN60825-1:2014 | CE, RoHS Certified |
| Product Size | 290×103×62mm | Handheld Design |
| Product Net Weight | Approximately 710g | Portable for Field Use |
Downloads
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