Payment & Shipping Terms:
|Rated Voltage:||5v||Sound Output:||82dB|
|Size:||D9x H5 Mm||Frenquency:||2700HZ|
|Operating Temperature:||-20℃ To 70℃||Use For:||Shared Bicycle|
security door buzzer
Internal Drive Shared Bicycle Electromagnetic Buzzer D9 x H5mm Active Buzzer With Rohs
|We also can make customizd products|
1.We have professional technical support team to support our customers
2.If you have any question for the technology of our products,please Email to us and we will reply to you immediately
After any following tests the part shall meet specifications without any degradation in
appearance and performance except SPL. SPL shall not deviate more than -10 dB
from the initial value
1. Ordinary Temperature Life Test
The part shall be subjected to 96 hours at 25±10℃. Input rated voltage
Resonant frequency, 1/2 duty Square wave.
2. High Temperature Test
The part shall be capable of with standing a storage temperature of +85℃ for 96 hours.
3. Low Temperature Test
The part shall be capable of with standing a storage temperature of -40℃ for 96 hours.
4. Humidity Test
Temperature:+40℃±3℃ Relative Humidity:90%～95% Duration: 48 hours
and expose to room temperature for 6 hours
5. Temperature Shock Test
Temperature:70℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle)
Total cycle: 10 cycles
6. Drop Test
Standard Packaging From 1.2m(Drop on hard wood or board of 5cm thick,
three sides, six plain.)
7. Vibration Test
Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes
Payment and Shipping:
1, Lead time about 3~5 days.
2, Payment: T/T; Western union; Paypal .
3, Shipping: by DHL, Fedex, TNT, UPS, EMS ect
Contact: Angel Sun
Contact Person: Ms.Angel Sun