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PAS-AF300
The PAS-AF300 is part of Sapiens high-performance Portable Air Station (PAS) series. Designed for deployment simplicity and unwavering stability, it delivers exceptional data quality for ambient and indoor air monitoring. It accurately measures key pollutants including PM₁, PM₂.₅, PM₁₀, NO₂, O₃, CO, SO₂, and NO, with optional monitoring of TVOC and CO₂. Engineered for demanding applications, the PAS-AF300 meets the needs of government agencies, research projects, and indoor air quality certification programs requiring dependable, high-quality data.
  • Portability: Compact, suitcase-sized design enables easy transport and deployment across diverse microenvironments.

  • Extended Onboard Power: Integrated lithium battery supports up to 12 hours of continuous operation without external power, meeting demands for both outdoor deployment and indoor monitoring.

  • Optional Smart Battery Pack: Expandable runtime up to two weeks with an external, intelligent battery pack

  • Product Detail
    Precision Portable Air Quality Monitoring Station, Anywhere You Need It
    Engineered to redefine portable air monitoring, the PAS-AF300 delivers unwavering data integrity precisely where insights matter most. Patented PDF sensing technology actively neutralizes environmental interference and auto-corrects sensor drift, ensuring trustworthy analytics for critical decision-making. It can be deployable in minutes across urban microenvironments, indoor spaces, or remote sites without sacrificing accuracy. It is actionable, compliance-ready intelligence wherever air quality impacts health or operations – no compromises, no boundaries.
    Certification
    As an ISO 9001 and ISO 14001 certified company, we are committed to technological excellence and sustainability.
    Features and advantages
    Waterproof Design
    IP65 waterproof design, suitable for various outdoor environments, modular for easy maintenance.
    Dynamic Baseline
    Proprietary technology, real-time baseline tracking, eliminates temperature and humidity effects.
    Humidity Correction
    Built-in high-performance sensors ensure accurate particle concentration measurements.
    Flexible Customization
    Supports customization of multiple gas measurements with fast response and ppb-level accuracy.
    Portability
    Compact, suitcase-sized design enables easy transport and deployment across diverse microenvironments.
    Data Transmission
    4G network data transmission, cloud platform supports real-time monitoring and remote calibration.
    Cloud Analysis
    Cloud storage and intelligent platform for easy access and in-depth data analysis.
    Extended Battery Life
    External battery pack extends outdoor operation time up to two weeks.
    Specifications
  • Dimension
    56cm × 36cm × 23 cm (H x W x D)
  • Weight
    15 kg
  • Environmental Operating Range
    Temperature: -10-40°C; Humidity: 5-90 %; Pressure: 80kPa~120kPa
  • Power Input
    Standard: 220V AC, 50Hz or 15 ~ 22V External DC Input Optional: External Smart Battery Packs, Solar Power Panel
  • Power Consumption
    Normal @ 15W, Max @ 25 W
  • Data Management
    Sapiens Environment IoT Network (SEIN) network for remote data browsing, downloading, system condition checking and control, and data management
  • Data Communication
    4G module communication for data transmission to cloud platform; RS485/232 communication for Sapiens Console software with data streaming and system configuration
  • Data Storage
    Standard 16G SD card for data storage
  • Gas Sampling
    Active sampling with long life pump
  • PM Sampling
    Active sampling with long life pump and heated inleat
  • Sampling Rate
    1 minute
  • Averaging Interval
    1 minute, 1hour, 1 day
  • Quality Control System
    Humidity correction for PM measurement with proprietary algorithm Pair Differential Filter technology for temperature and humidity impact correction on gas sensor signals Auto zero functions for SO₂, NO, NO₂, O₃ to correct for sensor drifting over long term operation
  • Connectivity
    Seamless IoT Integration
    Our solutions enable effortless connectivity across diverse devices and platforms, unifying sensors, systems, and applications into a cohesive smart ecosystem SEIN platform. With cross-protocol compatibility and real-time data synchronization, we empower businesses to streamline operations, enhance decision-making, and scale innovations securely—all through a single, intuitive interface.
    Power Packs

    The PAS AF300 has different power options, as per follows:

    • Mains Supply 

    • External Smart Battery

    • Mains Supply + External Smart Battery


    Case Studies
    Explore all case
    Smart Lampposts Energize Hong Kong's Smart City Vision
  • Sector:Ambient and Communities
  • Location:Kowloon, Hong Kong
  • Sapiens NAS provides real-time data on critical urban air pollutants, empowering city planners and environmental authorities to gain insights into the area's air quality. By leveraging this data-driven intelligence, the project team plans to use data from this network to make more informed decisions to enhance sustainability and liveability in different districts, supporting Hong Kong's broader smart city transformation. And it has paved the way for wider adoption of NAS sensors in similar smart city technologies across the region. In a smart city prove-of-concept (PoC) project, Sapiens as
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    High Density Sensor Network Inside Bus Terminus to Monitor Air Quality for Hotspot Identification
  • Sector:Tunnel, Parking and Transportation Hubs
  • Location:Kwai Chung, Bayview Garden, Shatin, Lam Tin, Hong Kong
  • Enclosed bus terminals have long posed a persistent challenge for managing community air quality. To address this issue, Electrical and Mechanical Services Department, HKSAR Government have deployed Sapiens' advanced NAS AF300 air quality sensors to closely monitor pollutants such as NO, NO2, CO, CO2, and PM2.5 generated by traffic emissions within these terminal facilities. The high-density air quality monitoring network solutions creates real-time air pollution maps, enabling the identification of hotspots and the diagnosis of key contributors to air quality problems.
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    Sapiens Empowers Clean Air Advocacy in Hong Kong Schools with AQHI broadcasting
  • Sector:Indoor Air Quality and Green Building
  • Location:Hong Kong
  • Collaborating with the Clean Air Network NGO, Sapiens has provided comprehensive air monitoring solutions for the Clear Air School program in Hong Kong. Eight (8) urban school communities now utilize Sapiens’ outdoor and indoor air sensors MAS AF300 and IAQ Pro, broadcasting real-time AQHI data to keep students and staff informed and engaged in clean air initiatives.
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    Mobile Sensor Network in Shanghai for City Roadway Air Pollution Management
  • Sector:Traffic and Marine Emission Monitoring
  • Location:Shanghai, China
  • Sapiens MASEN products help clients and collaborative parties gain a better understanding of roadway network segmentation and sensor data assignment. In this project, Sapiens MASEN series air monitoring sensors are installed on about 20 buses and 100 taxis in Shanghai, effectively covering 80% of the major urban transport routes. These sensors uploaded more than 20 million real-time monitoring data monthly, generating a map of urban road dust clouds.
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