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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 PM?, PM?.?, PM??, NO?, O?, CO, SO?, and NO, with optional monitoring of TVOC and CO?. 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.

PM? PM?.? PM?? TSP NO? O? CO SO? NO CO? Relative Humidity Temperature Pressure Wind Direction Wind Speed

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 SO?, NO, NO?, O? to correct for sensor drifting over long term operation

Download Spec Sheet

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

Powering Hong Kong's Smart City with IoT Lampposts

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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