Piezoelectric buzzer with a adjustable volume, low, middle and high, and stable performance
1) Rated voltage (V DC): 7.4V
2) Operating voltage (V DC): 3-30
3) Max. current at rated voltage (mA): 20.0/7.4V DC
4) Min. sound pressure level (dB) high: 100 - 120 dB at 7.4V DC/30cm
5 Low: 10 - 20 dB less than high
6) Resonant frequency (kHz):2.8+/-0.5
7) Operating temperature (°C): -20 to +60
8) Storage temperature (°C): -30 to +70
9) Material of case: ABS-757/ black
| Business Type: | Manufacturer |
| Product/Service (We Sell): | Piezo elements and buzzers,ultrasonic sensors,ultrasonic transducers,ultrasonic atomizing transducers,acoustic component,Level Sensor,Flow Sensor |
| Number of Employees: | 101 - 500 People |
| Total Annual Sales Volume: | US$10 Million - US$50 Million |
| Export Percentage: | 71% - 80% |
| Total Annual Purchase Volume: | Below US$1 Million |
| Factory Size (Sq.meters): | 10,000-30,000 square meters |
| Factory Location: | Yingbin Road, Dongsheng Industrial Zone, Shiqiao Town, Panyu District, Guangzhou City, Guangdong Province. China |
| QA/QC: | In House |
| Number of Production Lines: | Above 10 |
| Number of R&D Staff: | 41 - 50 People |
| Number of QC Staff: | 31 - 40 People |
| Management Certification: | ISO 9000/9001/9004/19011: 2000 ISO/TS 16949 |
| Contract Manufacturing: | OEM Service Offered |