For over 30 years, HSI Fire & Safety Group has provided fire alarm test and maintenance professionals with a full line of equipment and accessories for functional testing of smoke, carbon monoxide and heat detectors.
In 1979, the original smoke detector test aerosol, SmokeCheck®, was created. Developed to answer a need for full functionality testing of a smoke detector, SmokeCheck received its first patent and UL listing.
Since then, HSI has led the development of additional functional testing mediums and tools for smoke, carbon monoxide and heat detectors. Our patented formulas give you confidence in your testing to know all your detectors are ready to respond.
Used by thousands of fire and safety professionals worldwide, our American made detector testing products meet compliance with US and global fire alarm codes and standards.
HSI Fire & Safety Group provides fire alarm test and maintenance professionals with a full line of aerosols, equipment, and accessories for functional testing of smoke, carbon monoxide and heat detectors.
Thousands of municipalities, institutions and companies use SmokeCheck®, PurCheck® and CoCheck® to complete all necessary inspections where they have jurisdiction to test. CaT Kit™ is the first completely self-contained carbon monoxide detector test kit.
- HSI Fire & Safety detector products are:
- Reliable and easy-to-use
- Environmentally friendly
- Compliant with International Fire Codes and Standards
- Low costs per test
- UL and ULC listed