Environmental Characteristics Operation temperature -30 °C to +70 °C / -22 °F to +158 °F Temperature cycling acceptance criteria Δα ≤ 0,15 dB, reversible Temperature cycling -35 °C +70 °C / -31 °F +158 °F Temperature cycling - reversible test method IEC 60794-1-22:F1 Temperature cycling test method IEC 60794-1-22:F1 Temperature cycling - reversible -30 °C […]