2019UL 1484 CRD-2019 UL Standard for Safety Residential Gas Detectors - Section / Paragraph Reference: New 49.9.18 Subject: Long Term Sensor Stability Test for Limited Life@ Non-Solid State@ Gas Sensors (Edition 5: April 20@ 2016)
2017UL 1484 BULLETIN-2017 UL Standard for Safety Residential Gas Detectors (COMMENTS DUE: APRIL 7@ 2017)