UL 217:2024 (10th Edition) is the latest ANSI/UL safety standard governing electrically operated single/multiple‑station smoke alarms and portable travel alarms for indoor open‑area protection, recreational vehicles, and boats. It sets comprehensive requirements for sensor types (ionization, photoelectric, multi‑criteria), power supplies (AC, DC, integral batteries), alarm sounding, and connectivity to remote accessories, ensuring detection of visible/invisible smoke particles, gases, heat, and other combustion products.
This 2024 update strengthens performance for modern synthetic‑fueled fires (e.g., polyurethane foam flaming/smoldering), adds stringent cooking nuisance immunity tests, mandates low‑frequency (≈520 Hz) alarms for better wake‑up efficacy, and enhances firmware security, supervised battery monitoring, and multi‑criteria sensor stability. It also aligns US/Canadian requirements to reduce certification costs, prioritizing fewer false alarms, faster fire response, and longer‑term reliability (e.g., 10‑year sealed batteries).
LISUN supplies the fully test solutions for the following UL 217:2024, please see the below excel table:
| UL 217:2024 Clause and Subject | LISUN MODEL |
| 47 Stability Test | GDJS-015B |
| 58 Temperature Test | |
| 63 Variable Ambient Temperature Tests | |
| 64 Humidity Test | |
| 88.4Variable ambient temperature and humidity test | |
| 59 Vibration Test | LVD-100KG |
| 61 Mechanical Push Test for Push-Type Features | PULL-2000KG |
| 62 Jarring Test | IK07-10 |
| 65 Corrosion Test | YWX/Q-010 |
| 88.6 Corrosion (salt spray) test | |
| 67.4 Surge immunity test (combination wave) | SG61000-5 |
| 67.6 Supply line (ring wave surge voltage) transients | RWG61000-12 |
| 68 Static Discharge Test | ESD61000-2 |
| 69 Dust Test | SC-015 |
| 73 Leakage Current Test | WB2675D |
| 75 Electric Shock Current Test | SMT-PA100A |
| 77 Dielectric Voltage-Withstand Test | LS9923 |
| 83 Drop Test | LS-DDT1-B |
| 88.5 Watertightness test | JL-X |
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