Environmental Characteristics Operation temperature -20 °C to +70 °C / -4 °F to +158 °F Water penetration L = 3 m, h = 1 m, 24 h Water penetration test method IEC 60794-1-22:F5B Water penetration acceptance criteria no water leakage Temperature cycling acceptance criteria Δα ≤ 0,05 dB Temperature cycling -20 °C +70 °C / […]