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Portable Gas Detectors

Seraya Engineering is your trusted partner for portable gas detection solutions, working closely with Crowcon to bring you a diverse range of high-quality products. Our offerings include multi-gas detectors, area gas monitoring, and volatile organic compounds (VOCs) detection, providing comprehensive protection against a wide range of gas hazards.

We are committed to delivering exceptional value to our customers. With competitive terms, full manufacturers warranties, and reliable service support, we ensure that you receive the best possible experience with our portable gas detectors.

Crowcon's portable gas detectors offer robust protection against industrial gas hazards, with options for both single gas and multi-gas monitoring. From compact designs to more complex configurations, we have the right personal gas solutions to meet your site requirements and necessary certifications.

Choose Seraya Engineering for reliable and effective portable gas detection solutions. Contact us today to explore our range of products and discover how we can enhance the safety and efficiency of your operations.

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Industrial Engineer Wearing Hard Hat,  Safety Jacket and Glasses Smiles on Camera. He Work

In 1970, Crowcon was established, with a factory located in Stokenchurch, just outside Oxford in the United Kingdom. Crowcon became one of the first innovators in gas detection – and have enjoyed continuous growth ever since.

Over the course of the next 50 years, Crowcon would go on to bring many ground-breaking innovations to market and become a recognised gas detection specialist worldwide.

Today, there are now over 500,000 Crowcon gas detection solutions in use worldwide by a vast range of industries, from steel production to utilities, petrochemical to food and beverage production, clean and wastewater treatment to oil and gas and many more.

To learn more about our principal, please subscribe to the Crowcon blog for more information.


T4 Multi Gas Detector

The T4 portable 4-in-1 gas detector provides effective protection against 4 common gas hazards: Carbon Monoxide, Hydrogen Sulphide, Flammable gases and Oxygen depletion. 

Offering you compliance, robustness and low cost of ownership in a simple to use solution. T4 contains a wide range of powerful features to make everyday use easier and safer.


Gas-Pro PID

The Gas-Pro PID VOC gas detector gives you full flexibility to monitor a wide range of gas types and volatile organic compounds (VOCs). With an optional pump, the Gas-Pro PID is the perfect product addressing the requirements of a wide range of applications.

Crowcon’s PID works with a 10.6 electron volt lamp. This sensor is the most stable sensor on the market and offers the detection of a wide range of VOCs. 

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The next-generation sensing capability in Gasman includes Molecular Property Spectrometer™ (MPS™) flammable sensor and Long-Life Oxygen sensor, with both sensor options, come with a 5-year warranty. MPS flammable sensor is able to detect up to 19 flammable gases with TrueLEL multi-gas accuracy. It is also able to resist poisoning and is hydrogen ready.

Gasman MPS sensor allows users to drive down the cost of ownership while increasing workplace safety, even in challenging environments.


Similarly, the Gasman Long Life Oxygen sensor is the industry’s first lead-free, 5-year warranty sensor that reduces environmental impact and sensor replacement cost. Gasman is compatible with Crowcon Connect for gas safety insights and data storage for compliance.

Seraya Engineering Pte Ltd

3 Soon Lee Street #03-10

Pioneer Junction

Singapore 627606

Tel: +65 6963 8109

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The Detective+ is a multi-gas monitor for temporary areas for use in turnaround/shutdown procedures, hot work maintenance, confined space entry work and many others in utility, construction and oil and gas industry applications. Go solo or link together using Detective Net to form a perimeter, Detective+ gives a loud and clear alarm providing effective warning of gas hazards. The rugged, water and impact-resistant design make Detective+ the ideal choice for your transportable gas monitoring needs.

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Crowcon Connect

Crowcon Connect gives the visibility and insights you need from your detectors to ensure compliance, improve efficiency and raise levels of safety. A cloud-based solution, it is flexible, secure, cost-effective and quick and easy to deploy.


Download our brochure for an introduction to the benefits our gas safety and compliance insight solution has to offer.

Seraya Engineering Pte Ltd

2 Jurong East Street 21

#04-23, IMM Building

Singapore 609601

Tel: +65 6252 1737

Installation & Deployment

Calibration Services

On-site Commissioning Services

Maintenance Service Contract

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