SDi AERO400‑024 Trutest Aerosol Smoke Detector Sensitivity Tester, 9.5oz, 12‑Pack

Maintain dependable fire detection across your site with the SDi Fire AERO400-024 Trutest Aerosol Smoke Detector Sensitivity Tester. Designed for technicians and facilities managers, this aerosol detector tester delivers consistent, repeatable testing so you can verify smoke alarm sensitivity quickly and reduce false alarms that disrupt security and operations. Each 9.5oz can (12-pack) provides multiple tests per can, offering a cost-effective solution for regular maintenance, inspections, and compliance-driven programs. The AERO400-024 formula produces a controlled aerosol output that mimics smoke particles, enabling accurate calibration checks on smoke detectors used in fire alarm, monitoring, and surveillance systems. Lightweight and portable, the kit speeds field testing and simplifies documentation for service reports. Ideal for building services, fire contractors, and security teams, the SDi Fire aerosol tester supports proactive upkeep of life-safety infrastructure. Keep detectors performing as intended—stock your service kits with this 12-pack and streamline your detector testing workflow today.

• Verifies smoke detector sensitivity on-site to reduce nuisance alarms and ensure reliable fire detection
• Pack of twelve 9.5oz aerosol cans provides cost-effective, repeatable testing for facility maintenance teams
• Fast, clean aerosol formula lets technicians complete inspections quickly, minimizing downtime to security and monitoring systems
• Consistent output (AERO400-024) simplifies documentation and helps meet routine testing schedules for fire alarm programs
• Portable, easy-to-use spray delivers precise results across commercial, industrial, and institutional surveillance environments