美标 SAE J 994 倒车蜂鸣器性能试验
 
| 更新时间 2024-12-27 20:00:00 价格 请来电询价 测试周期 5-7天 寄样地址 深圳宝安 价格费用 电话详谈 联系电话 17324413130 联系手机 17324413130 联系人 罗卓文 立即询价 |
详细介绍
Test or certification item 测试或认证名称: SAE J 994 - Alarm Backup 倒车蜂鸣器性能试验
Test or certification info 测试和认证相关内容:
| 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 quantity :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 |
Refer products涉及产品: 汽车喇叭
Lead time周期: 常规服务 regular service 25 工作日 working days （ URGENT service, to be confirm, 加急服务待定 ）
Sample size送样规格: 8pcs finished products 八个成品
Photo for reference 涉及图片:
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联系方式
- 电 话：17324413130
- 检测工程师：罗卓文
- 手 机：17324413130
