MAS Odour Plus

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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.

Proprietary temperature regulation technology

Data Safeguard for harsh environments

Designated for Odourous related pollutants (H₂S/NH₃/TVOC/CH₄S)

Product Detail

All-in-one, Accurate, Odour management

Uniquely designed for odour monitoring, its proprietary technology stabilizes humidity and adapts to abrupt changes, ensuring accuracy even in extremely challenging scenarios.

Certification

As an ISO 9001 and ISO 14001 certified company, we are committed to technological excellence and sustainability.

H₂S NH₃ TVOC CH₄S 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.

Temperature regulation technology

Designated to automatically stabilise the internal environment of the monitoring station to compensate for abrupt fluctuations in ambient temperature.

Dynamic Baseline

Proprietary technology, real-time baseline tracking, eliminates temperature and humidity effects.

Meteorological Analysis

Optional meteorological sensors for comprehensive data analysis.

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.

Remote calibration

The Sapiens SEIN platform offers a calibration function, which is a powerful and unique tool for quality control and assurance

Extended Battery Life

External battery pack extends outdoor operation time up to two weeks.

Specifications

Dimension

800 mm (H) x 480 mm (W) x 550 mm (L)

Weight

≤55kg

Environmental Operating Range

Temperature: -40-60°C; Humidity: 5-90 %; Pressure: 60kPa~120kPa

Installation Options

Stationary / OEM integration

Ingress Protection

IP65 with optional metal shield for UV protection and sun exposure

Power Input

220 V Alternating Current(AC) / 24 V Direct Current(DC) input

Power Consumption

330 W under normal working condition

Data Management

Sapiens Environment IoT Network (SEIN) network for remote data browsing, downloading, system condition checking and control, and data management

Data Communication

1) 4G module communication for data transmission to the cloud platform The 4G antenna can be extended for attachment to the external structure.
2) The RS485 communication interface ensures stable data transmission.

Data Storage

Standard 16G SD card for data storage

Gas Sampling

Active sampling with long life pump

Sampling Rate

1 minute

Averaging Interval

1 minute, 60 minutes, 1 day

Quality Control System

• Auto-Zero Function for Gas modules that correct long-term drift errors, ensuring consistent accuracy.
• Proprietary dynamic pair differential filter technology for correction on gas sensor signals
• Humidity stabilization function for the gas module to control the

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

MAS Odour Plus has different power options, as per follows:

• Mains Supply

• External Smart Battery
• Mains Supply + External Smart Battery

Case Studies

Explore all case

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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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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