Test or certification item 測試或解讀名稱: SAE J 994 - Alarm Backup倒車蜂鳴器性能試驗

Test or certification info 測試和解讀相關內(nèi)容:

Low Temperature Test
?Test temperature :-40±3°C
?Test duration :2 hr
High Temperature Test
?Test temperature : 85±3°C
?Test duration :2 hr
Rain Test
?The rate of rain deposit :2.5(+1.6/-0) mm/min
?Deliver angle from nozzle :45°
?Test duration :2 hr
Vibration Test Resonance Search Test
?Frequency / Displacement :10 ~ 27 Hz / 6.76mm
?Frequency / Acceleration :27 ~ 500 Hz / 10g
?Sweep duration :15m
Vibration Test Resonance Dwell Test
?Vibration frequency :Resonance frequency
?Acceleration :10g
?Test direction :X axis、Y axis & Z axis
?Test duration :30 min/axis
Vibration Test Vibration Cycling Test
Vibration Test Vibration Cycling Test
?Frequency :27 ~ 500 Hz
?Acceleration :10 g
?Sweep duration :15 min
?Test duration :3 hr
?Test direction :X、Y、Z axis
?Operate time :Last 15 min
Corrosion Test 
?Type of solution to be sprayed :NaCl
?Salt solution concentration :5±1%\
?pH value of solution :pH 6.5 ~ 7.2
?Temperature in chamber :35(+1.1/-1.7)°C
?The rate of salt deposit :1~2 ml/hr/80cm2
?Test duration :50 hr (24hr exposure and 1hr dry, 2 cycles)
High Pressure Hot Water Test
?Water temperature :85 °C
?Water pressure :Above 6.9 Mpa
?Water flow rate :Above 18.9 L/min
?Nozzle angle :15°
?Spray distance :Below 300 mm
?Test period :Spray 10sec(MIN) in each 30sec(MAX)
Dust Test
?Type of dust :Arizona dust
?Dust :4.5 kg/m3
?Stirring time :2 sec
?Suspending time :15 min
?Testing duration :5 hr
Endurance Test at Low Temperature
?Test temperatur :-40 °C±3°C
?Test duration :4 hr
?Operating time :30 sec On / 30 sec Of
Endurance Test at High Temperature
?Test temperature :85 °C±3°C
?Test duration :4 hr
?Operating time :30 sec on & 30 sec off
Endurance Test at Room Temperature
?Tes temperature :25 °C±11°C
?Test duration :100 hr
?Operating time :30 sec on & 30 sec off