> 5.4 | Reliability Characteristics

> The test conditions stated below are an extract of the complete test specifications.

> Table 28: | Summary of reliability test conditions

> Type of test | Conditions | Standard
> Vibration | Frequency range: 10-20Hz; acceleration: 3.1mm amplitude Frequency range: 20-500Hz; acceleration: 5g Duration: 2h per axis = 10 cycles; 3 axes | DIN IEC 68-2-6
> Shock half-sinus | Acceleration: 500g Shock duration: 1msec 1 shock per axis 6 positions (± x, y and z) | DIN IEC 68-2-27
> Dry heat | Temperature: +70 ±2°C Test duration: 16h Humidity in the test chamber: < 50% | EN 60068-2-2 Bb ETS 300 019-2-7
> Temperature change (shock) | Low temperature: -40°C ±2°C High temperature: +85°C ±2°C Changeover time: < 30s (dual chamber system) Test duration: 1h Number of repetitions: 100 | DIN IEC 68-2-14 Na ETS 300 019-2-7
> Damp heat cyclic | High temperature: +55°C ±2°C Low temperature: +25°C ±2°C Humidity: 93% ±3% Number of repetitions: 6 Test duration: 12h + 12h | DIN IEC 68-2-30 Db ETS 300 019-2-5
> Cold (constant exposure) | Temperature: -40 ±2°C Test duration: 16h | DIN IEC 68-2-1