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The LY-2083B Multi channel Vacuum Chamber Gas Sampler uses passive vacuum negative pressure sampling to safely collect volatile organic compounds (VOCs) and other trace gases with zero cross-contamination. Built for enterprise environmental monitoring, labor health, and safety screening, this four channel instrument improves sampling efficiency, data integrity, and field operability compared to conventional samplers. It supports immediate, timed, and interval sampling with real-time pressure monitoring and automatic stop when gas bags are full, making it ideal for high-volume field campaigns and laboratory analysis.
Samples are isolated from the sampler using vacuum negative pressure, eliminating carryover and ensuring pure, representative VOC and ambient air samples for chromatography and analysis.
Four individually controlled channels support single or simultaneous multi-channel sampling with adjustable time intervals, boosting throughput for large-scale monitoring projects.
Full side transparent enclosure allows visual inspection of bag inflation; integrated pressure monitoring automatically halts sampling at full capacity to prevent overfilling.
Built-in positioning and satellite/network time sync ensure accurate geo tagging and time stamping for regulatory compliance and audit ability.
Printed receipts include encrypted anti counterfeiting QR codes to prevent data fraud. Reserved interfaces support seamless upload to enterprise environmental management platforms.
22.2V/6.0Ah built in lithium battery delivers ≥12 hours of continuous sampling. Compact, durable construction supports reliable field use across diverse environments.
HJ/T 55 2000 Technical Guidelines for Monitoring Unorganized Emissions of Air Pollutants
HJ 194 2017 Technical Specification for Manual Monitoring of Ambient Air Quality
HJ 604 2017 Determination of total hydrocarbons, methane and non methane total hydrocarbons in ambient air — Direct injection gas chromatography
Parameter | Range |
Flow Rate | 0.5～1.3 L/min |
Chamber Pressure | 35～+35 kPa |
Atmospheric Pressure | 50～130 kPa |
Ambient Temperature | 40～90 ℃ |
Relative Humidity | 0～100% RH |
Power Supply | 22.2V/6.0Ah built in lithium battery |
Continuous Sampling | ≥12 hours |
Dimensions | 433 mm × 224 mm × 353 mm |
Weight | Approx. 6 kg |
Environmental protection departments and unorganized emission monitoring
Industrial hygiene and labor safety inspection
Third party environmental testing and assessment firms
Emergency response and security screening
Military, scientific research, and educational institutions
VOC sampling for gas chromatography and air quality analysis
Lonying specializes in enterprise grade environmental monitoring equipment designed for accuracy, reliability, and regulatory alignment. The LY-2083B Multi channel Vacuum Chamber Gas Sampler delivers zero contamination sampling, multi channel efficiency, and data security features to streamline fieldwork and ensure defensible data. Global support and consistent manufacturing quality make Lonying a trusted partner for professional monitoring teams worldwide.
Ideal for VOCs, ambient air, and trace gases requiring zero cross contamination for laboratory analysis.
Yes, four channels operate independently with configurable timing and intervals.
Automatically generated on printed sampling receipts to verify data origin and prevent tampering.
Yes, Lonying provides operational training, documentation, and technical support for global customers.
