Sierra Wireless HL7748 Benutzerhandbuch
41110555
Rev 1.0
September 21, 2017
47
Product Technical Specification
Reliability Specification (TBC)
6.2.5.
Mechanical Resistance Stress Tests
The following tests the AirPrime HL77xx modules’ resistance to vibrations and mechanical shocks.
Table 43.
Mechanical Resistance Stress Tests
Designation
Condition
Sinusoidal Vibration Test
SVT
SVT
Standard: IEC 60068-2-6, Test Fc
Special conditions:
•
Frequency range: 16 Hz to 1000 Hz
•
Displacement: 0.35mm (peak-peak)
•
Acceleration:
5G from 16 to 62 Hz
3G from 62 to 200 Hz
1G from 200 to 1000 Hz
•
Sweep rate: 1 octave / cycle
•
Number of Sweep: 20 sweeps/axis
•
Sweep direction: ±X, ±Y, ±Z
Operating conditions: Un-powered
Duration: 2 days
Random Vibration Test
RVT
RVT
Standard: IEC 60068-2-64, Test Fh
Special conditions:
•
Frequency range: 10 Hz – 2000 Hz
•
Power Spectral Density in [(m/s²)²/Hz]
g2/Hz at 10Hz
g2/Hz at 250Hz
0.005 g2/Hz at 1000Hz
0.005 g2/Hz at 2000Hz
•
Peak factor: 3
•
Duration per Axis: 1 hr / axis
Operating conditions: Un-powered
Duration: 1 day
Mechanical Shock Test
MST
MST
Standard: IEC 60068-2-27, Test Ea
Special conditions:
•
Shock Test 1:
Wave form: Half sine
Peak acceleration: 30g
Duration: 11ms
Number of shocks: 8
Direction: ±X, ±Y, ±Z
•
Shock Test 2:
Wave form: Half sine
Peak acceleration: 100g
Duration: 6ms
Number of shocks: 3
Direction: ±X, ±Y, ±Z
Operating conditions: Un-powered
Duration: 72 hours