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Mini Air Station (MAS)

Sapiens Mini Air Station (MAS) series is designed for high performance and long-term outdoor air quality monitoring with integrated autonomous data quality control capabilities. The intended applications are complementary air quality monitoring with high data performance target needs and near reference data quality requirements for government agencies, environmental consultancies, air quality researchers and industrial sectors.
  • Modular design with configurable parameters across all model variants
    The product can measure criteria air pollutants including particulate matter (PM₁, PM₂.₅, PM₁₀, TSP), NO₂, O₃, CO and SO₂. Additional important air pollutants such as Black Carbon, NO, CO₂, TVOC, H₂S, NH₃ and CH₄S are available as optional measurements.
  • Certified-accurate gas and particulate matter monitoring data
    The MAS series has achieved MCERTS certification for PM₂.₅ and PM₁₀ accuracy. For NO₂, O₃, CO and SO₂ and NO, Sapiens PCT (Patent Cooperation Treaty) patented Pair Differential Filter (PDF) technology provides unmatched performance at ppb-level concentrations for gas sensor monitoring.
  • Remote calibration capabilities and flexible data transmission options
    The Sapiens SEIN platform offers a calibration function, which is a powerful and unique tool for quality control and assurance. This function integrates Sapiens Sensor unique hardware capabilities.
  • Calibration and Validation
    1) Factory calibration, Every Sapiens Sensor device is factory pre-calibrated before shipping. 2) Lab calibration, Devices can be sent to the Sapiens Sensor Care Service Centre for NIST-traceable factory calibration. 3) Field calibration, A Humidified Multi-Point (HMP) portable calibrator, along with calibration gas cylinders, can be used for field calibration. 4) Collocation calibration, Devices can be collocated at or near an Air Quality Monitoring Station (AQMS) to facilitate remote collocation calibration.
    Efficient Project Management & Device Management
    SEIN is Sapiens’ exclusive online platform for managing accounts, projects, and devices, as well as accessing real-time data collected by the sensor network. The platform provides a comprehensive set of features tailored to meet the needs of project managers, sensor users, quality control managers, and data analysts
    MCERTS-certified high-quality data performance
    Sapiens Prioritize data quality and reliability, understanding that accurate data is crucial for effective decision-making. Our commitment to rigorous data quality control ensures that every measurement is consistent, thorough, and representative of real-world conditions. By implementing robust calibration processes and continuously monitoring our data performance, we provide our clients with trustworthy insights.

    Popular Products Incude

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    MAS-AF300
    MAS-AF300 is the flagship model of Sapiens Mini Air Station (MAS) series products for high performance and long-term outdoor air quality monitoring with integrated autonomous data quality control capabilities. The product can measure criteria air pollutants including particulate matters (PM₁, PM₂.₅, PM₁₀, TSP), nitrogen dioxide (NO₂), ozone (O₃), carbon monoxide (CO), sulfur dioxide (SO₂) and nitric oxide (NO) with near reference data quality under all weather conditions.
    MAS-AF310
    MAS-AF310 is the flagship model of Sapiens Mini Air Station (MAS) series products for high performance and long-term outdoor air quality monitoring with integrated autonomous data quality control capabilities. The product can measure criteria air pollutants including particulate matters (PM₁, PM₂.₅, PM₁₀, TSP), nitrogen dioxide (NO₂), ozone (O₃), carbon monoxide (CO), sulphur dioxide (SO₂), nitric oxide (NO) and carbon dioxide (CO₂) with near reference data quality under all weather conditions, and total volatile organic compounds (TVOC) at high accuracy.
    MAS-Dust
    MAS Dust is engineered for high-performance, long-term outdoor particulate matter monitoring, featuring integrated autonomous data quality control. Equipped with an advanced particle counter based on light scattering technology (optical approach), it simultaneously measures mass concentrations of PM₁, PM₂.₅ (FSP), PM₁₀ (RSP), and TSP.
    MAS-EMS
    The MAS EMS is a compact environmental monitoring system providing air quality, noise and meteorological data. It is invaluable for environmental consultants, urban planners, and health professionals to make informed decisions and ensure safety and compliance.
    MAS AF300 Plus
    Uniquely equipped with self-regulating temperature and humidity controls, ensuring data accuracy even in rapidly changing and extreme environments. MAS AF300 Plus is ideal for diverse applications and different weather conditions, delivering reliable air quality data.
    MAS Odour Plus
    The MAS Odour Plus is a compact, professional-grade air monitoring station designated to automatically stabilise the internal environment of the monitoring station to compensate for abrupt fluctuations in ambient temperature, ensuring optimal sensor performance in extreme outdoor conditions.
    Solutions
    Construction

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    Ambient & Communities Monitoring

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    Industrial Emission Monitoring

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    VOCs & Odour Monitoring and Sampling

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    Traffic & Marine Emission

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    Tunnels, Parking & Transportation Hubs Environment Monitoring

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    Occupational Health & Personal Exposure

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    Sport Events and Emergency Monitoring

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    Harsh Environments

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    Heritage & Museum

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    Case Studies

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    Air, Vibration, Noise and CCTV Monitoring at Construction Sites for Property Developers
  • Sector:Construction
  • Location:Kadoorie Hill, Hong Kong
  • The number of property development projects is increasing with time as the population grows. However, almost all real estate buildings would bring excessive noise and air pollution to the community during construction. Those environmental risks would cause fines, lawsuits or neighborhood opposition if mishandled. To limit potential problems, Sapiens provided a total solution for Air Quality, Vibration, Noise, and CCTV monitoring as an integrated EMA practice in a property development project in Hong Kong. The highly integrated system of MAS with the rich accessory list for environment monit
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    Incident Response at Central-Wan Chai Bypass Tunnel with Comprehensive Air Quality Monitoring in Hong Kong
  • Sector:Tunnel, Parking and Transportation Hubs
  • Location:Central, Wan Chai, Hong Kong
  • In response to a ventilation system malfunction at Tunnel East Ventilation Building in Hong Kong, Sapiens rapidly deployed multiple autonomous MAD-AF300 monitoring stations to provide real-time air quality data focused on oxides of nitrogen and PM for the tunnel and surrounding areas. This monitoring data supplemented the Highway Department’s investigation, helping to assess the environmental impact and formulate emergency response solutions.
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    Measurement of Particulate Matter at Construction Site at Northern District
  • Sector:Construction
  • Location:Northern District, Hong Kong
  • The dust pollution brought by construction activity not only deteriorates the environment but also causes respiratory health issues to the workers and surrounding citizens. According to the Hong Kong Air Pollution Control (Construction Dust) Regulation, the constructor have to adopted dust prevention action to minimize the dust emitted. To effectively monitor dust levels and ensure the regulation compliance of the constructors, The Hong Kong Environmental Protection Department (EPD) has utilized advanced technology, specifically the Sapiens MAS-Dust sensor. Sapiens MAS-Dust sensors are str
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    Real-time Odour Monitoring for Source Identification Near the Waterfront
  • Sector:VOCs and Odour Monitoring and Sampling
  • Location:Tsuen Wan, Hong Kong
  • In recent years, the complaints from citizens about the odour problem are continuously increasing, indicating that odour issues in cities need to be urgently addressed. In Hong Kong, the frequent stench emanating from the waterfront in Tsuen Wan also has aroused public attention and has prompted the Environmental Protection Department (EPD) to take decisive action. Hong Kong Environmental Protection Department conducted a series of investigations with Sapiens' sensor to find out the source of the stench. Several NAS and MAS were strategically deployed in Tsuen Wan region near the potential
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    Effectiveness in Evaluating Roadside Air Quality for Milan Government
  • Sector:Traffic and Marine Emission
  • Location:Milan, Italy
  • The traffic emissions are generally monitored by the traditional fixed reference stations. However, those stations are not only expensive to operate, but also unable to monitor emission sources at a close range. This limited their effectiveness in studying local pollution problems. To better understand the traffic emissions in Milan, Italy, the city's environmental agency AMAT (Agenzia Mobilità Ambiente e Territorio) deployed three Sapiens MAS-AF300 in the city to evaluate the advanced air quality sensors compact station’s capability to detect exposure to vehicular traffic-related emission
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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 Chong, Bayview Garden, Shatin, Lam Tin, Hong Kong
  • The air quality inside the semi-enclosed bus terminus has been a great challenge in urban settings. Sapiens air sensors (NAS-AF300) is used in Hong Kong by government agencies to closely monitor the air pollutants of NO, NO2, CO, CO2 and PM2.5 from traffic emission inside the bus terminus. The high-density network creates a real time air pollution map to identify the hotspot of air pollution and diagnose the critical causes of the air pollution issues. It also helps to evaluate the effectiveness of the mitigation measures.
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    Safeguard Cultural Treasures The Last Supper
  • Sector:Heritage and Museum
  • Location:Milan, Italy
  • The microenvironment within a museum plays a crucial role in both visitor and staff health, as well as in the preservation of its collection. Air pollution can irreversibly damage and degrade historic buildings and ancient landmarks. To better protect Leonardo da Vinci's famous painting, ‘The Last Supper’ from continuous fading, Sapiens has installed 20 indoor air quality (IAQ) monitors in the church in Milan, Italy, where the mural is housed. This setup provides comprehensive data on indoor air pollutants.
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    Shenzhen Yantian Port Long-term Emission Monitoring
  • Sector:Traffic and Marine Emission
  • Location:Shenzhen, China
  • The Pearl River Delta (PRD) stands as one of the three biggest port clusters in China, playing a vital role in the nation’s trade and transportation efficiency. However, this thriving development comes at a cost, as the shipping activities generate substantial emissions of greenhouse gases and pollutants, including CO2 and SO2. These emissions not only pose health risks to residents of coastal cities but also exacerbate air quality issues in the surrounding areas.
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    Targeted Pollution Control in Zhejiang Anji Industrial Park
  • Sector:Industrial Emission Monitoring
  • Location:Zhejiang, China
  • The Tianzihu Modern Industrial Park in Zhejiang China, faces challenges with air pollution due to industrial activities. To understand the spatial distribution and diffusion of pollutants, a five-day mobile monitoring campaign was conducted using MASEN-Pro vehicle-mounted sensor. The data revealed the need for a grid-based monitoring system to manage air quality effectively. The 34 units of NAS were also strategically deployed across the park. This combination of mobile monitoring with MASEN and fixed location monitoring with NAS has established a comprehensive monitoring network, ena
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    Dust & Noise Monitoring and Early Warning System in Shenzhen
  • Sector:Construction
  • Location:Shenzhen, China
  • Recognizing the need to mitigate construction noise impacts, the Shenzhen Municipal Ecological Environment Bureau-Luohu Management Bureau carried out construction site noise monitoring work at a construction site in Luohu District. This innovative system automatically alerts site managers to noise level violations, empowering rapid mitigation to uphold environmental regulations and protect community wellbeing- a testament to sustainable urban development.
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    Supports Air Quality Monitoring at Hong Kong’s Eco Park
  • Sector:Industrial Emission Monitoring
  • Location:Eco Park, Hong Kong
  • The Eco Park operated by Hong Kong’s Environmental Protection Department (EPD), is the city's first facility dedicated to the recycling industry. To assist the EPD’s efforts, Sapiens has collaborated to deploy 10 of our compact air monitoring stations MAS-AF300, and wind sensors across the park grounds. These Sapiens solutions provide comprehensive, real-time data for PM2.5, PM10, NO2, O3, and CO on air quality within the park and surrounding areas. This valuable information helps the better understanding of the local environment and develop accurate air quality models for the region.
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    Investigating the Causes of Excessive Ozone Level in Tibet
  • Sector:Harsh Environments
  • Location:Tibet, China
  • In recent years, Tibet faced a significant challenge from excessive ozone pollution. After calibrating the local national monitoring stations, the Shanghai Environmental Monitoring Center collaborated with the Tibet Environmental Monitoring Station to deploy a network of advanced micro air monitoring stations MAS Odour Plus from Sapiens. These stations provided comprehensive real-time data on a range of key pollutants, including PM2.5 PM10, SO2, NO NO2, O3, and TVOC. By analyzing the monitoring data, the team was able to establish a preliminary understanding of the connections between local oz
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    Roadside Monitoring in India for Traffic Emission Management
  • Sector:Traffic and Marine Emission Monitoring
  • Location:India, Mumbai
  • In India, road transportation serves as the primary mode for both goods delivery and passenger travel. The country's extensive road network, stretching across 4.7 million kilometers, significantly enhances the quality of life for citizens and promotes economic growth. However, the environmental and health risks associated with vehicular emissions cannot be overlooked. To advance the understanding of vehicle emission factors in India, Harish C. Phuleria from the Indian Institute of Technology Bombay has deployed Sapiens's high-performance, cost-effective sensors along the Panch-Shrishti-Comp
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    Tethered Balloon Deployment of Sapiens Air Sensors for Planetary Boundary Layer Research at High Altitude
  • Sector:Ambient and community
  • Location:Shanghai, China
  • New particle formation (NPF) is a significant source of atmospheric aerosols, playing a crucial role in influencing global climate. The nucleation and subsequent growth processes involved in NPF have sparked considerable research interest. To advance the study of NPF in China, researchers employed the high-performance MAS series to measure air quality at elevations exceeding 1000 meters. This investigation focused on the vertical profiles of key pollutants and their formation mechanisms, providing valuable insights into atmospheric dynamics.
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    Collaborative Odour Surveillance at the Hong Kong Shenzhen Border Interface
  • Sector:VOCs & Odour Monitoring and Sampling
  • Location:Hong Kong, Shenzhen, China
  • This project represents a unique cross-border collaboration between the Hong Kong and Shenzhen government environmental authorities. As part of this project, a comprehensive monitoring network was established along the border of the large municipal landfill area. The network included 14 strategically placed air sensors NAS and automated Odour Sampler.
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    Long-term odour monitoring in West Kowloon and Island West Waste Transfer Station
  • Sector:VOCs & Odour Monitoring and Sampling
  • Location:Hong Kong
  • China Harhour Engineering Company Limited (CHEC) operates several Transfer Station where various waste materials are processed and transported. As part of maintaining a safe and healthy working environment, it is crucial to monitor the levels of hydrogen sulfide (H2S) and ammonia (NH3) concentrations at the waste transfer site. H2S is a highly toxic gas with a characteristic foul odor, while NH3 is known for its pungent smell and potential health hazards. To ensure the safety of workers and nearby communities, the China Harbour Engineering Company Limited has commissioned Sapiens Environmen
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