HSI Fire and Safety
HSI Fire and Safety Smoke & CO Detector Testers
HSI Fire and Safety makes detector testing supplies for fire alarm inspection and maintenance: SmokeCheck smoke detector tester aerosol, CoCheck carbon monoxide detector tester, and DustAir duster for cleaning detectors before a test. Browse the full HSI Fire and Safety catalog for smoke detector test spray, CO test gas, and accessories.
SmokeCheck Smoke Detector Tester Aerosol
SmokeCheck (HSI 25S) tests both photoelectric and ionization smoke detectors to confirm that circuitry, alarm, and power are functioning, and it is suitable for testing smoke detector function per NFPA 72 Chapter 14. The formula is UL and ULC listed, safe on sensors, 100% EPA compliant, low-odor, and made with no HFCs or CFCs. Each 2.5 oz (70.5g) can delivers 300+ tests, and SmokeCheck works with both open and enclosed delivery Versa-Tools for testing ceiling mounted detectors.
CoCheck Carbon Monoxide Detector Tester
CoCheck is a carbon monoxide detector tester that is all natural and non-flammable, with no HFCs or CFCs. Each .07oz (2g) can provides 5 to 10 CO detector tests.
DustAir Duster & Versa Tools
The DUS-97-10T DustAir is a 10oz air duster with a trigger and extended spray tube, used to clean smoke detectors and electronic equipment before running a smoke detector test. The VP8 telescopic Versa listing is also available for Versa-Tool setups.
Detector Testing Help
Stocking up for inspections or matching a tester to your detectors? Contact our team with your detector types and test volume and we can help you order the right HSI supplies, or shop System Sensor smoke detectors.