§ 159.115. Temperature range test.
47 words·~1 min read·
/us/cfr/t33/s§ 159.115·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)The device must be held at a temperature of 60 °C or higher for a period of 16 hours.
(b)The device must be held at a temperature of −40 °C or less for a period of 16 hours following winterization in accordance with manufacturers' instructions.