Crowcon Detection Instruments Ltd

Gas detection

Crowcon makes safety products to protect people, plant and the environment against gas hazards worldwide.

Products and services

  • Portable and personal gas monitors
  • Fixed gas detectors, controllers and systems
  • Service, spares, training and installation


  • Oil and gas
  • Petrochemical and chemical
  • Public and municipal utilities
  • Clean water and sewage treatment
  • Tunnelling and construction
  • Steel and heavy industry
  • Brewing, beverage and food production
  • Shipping and marine

For over 40 years Crowcon has been manufacturing high quality gas detectors with a reputation for reliability and technical innovation.

Crowcon offers fixed and portable gas detection equipment based on expertise in mechanical and electronic design and software development and an understanding of the physics and chemistry of gas detection.

The head office is in Abingdon, UK, with regional offices in The Netherlands, India, China, Singapore and the USA, and a network of channel partners.

Crowcon operates within the Halma Process Safety Sector.

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Accreditation and standards

Accreditation and certification are fundamental to the company. It works with international bodies to ensure products are designed and built to meet the requirements of industry-leading equipment certification and performance standards.

Products are made in Abingdon using Lean and Six-Sigma production principles, in a ‘show-room’ manufacturing facility. This has quality management accreditations including ISO 9001:2008 and BS EN ISO/IEC 80079-34:2011, Marine Equipment Directive 96/98/ EC, as well as regular audits by international bodies such as LRQA, BASEEFA, UL and Lloyds Register.

Crowcon equipment meets internationally recognised certifications including IEC, EN (ATEX), UL, CSA, GOST, CNEx and INMETRO. Crowcon also holds approvals for market-specific standards and directives such as MED.


Crowcon Detection Instruments Ltd, 172 Brook Drive, Milton Park, Abingdon, OX14 4SD, United Kingdom.

Tel: +44 (0) 1235 557700

Tel: +65 6745 2936

The Netherlands
Tel: +31 10 421 1232

Tel: +86 (0) 10 6787 0335

United States of America
Tel: +1 859 957 1039 Toll Free: 800-527-6926

Tel: +91 22 6708 0400