
 
มิเตอร์วัดระดับเสียง Sound Level Meter
รุ่น 407768
คุณลักษณะ
- Meets ANSI and IEC 651 Type 2 standards
- 30 to 130dB measurement range with ±1.5dB accuracy
- Auto/Manual Ranging, MIN/MAX and Max Hold
- RS-232 interface for capturing data directly on a PC
- Analog AC output for connection to a recorder
- Tripod mount ideal for field use
คุณสมบัติ
| MODEL | 407768 | 
|---|---|
| Digital Display | 5 digit autorange LCD | 
| Measurement Range | 30 to 130dB | 
| Resolution | 0.1dB | 
| Accuracy | ±1.5dB @ 94dB for a 1kHz sine wave | 
| Microphone | 1/2 Electret Condensor | 
| Frequency Weighting | A and C type | 
| Time Response | Fast/Slow | 
| Measurement frequency range | 31.5Hz to 8kHz | 
| Analog output | AC : 0.5V (full scale) | 
| Applicable standards | ANSI S1.4-1983, IEC 61672 Class 2, EN 60651 | 
| Power Supply | 9V battery | 
| Dimensions | 268 x 68 x 29 mm. | 
| Weight | 285g. | 
















