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มิเตอร์วัดระดับเสียง Sound Level Meter
รุ่น 407750
คุณลักษณะ
- Meets ANSI & IEC 651 Type 2 standrads
- Background noise absorber for machine noise measurements filters adbient noise
- 30 to 130dB measurement range with ±1.5dB accuracy
- Large display with backlighting and analog bargraph
- Min/Max, Auto/Manual Ranging
- Analog AC/DC output for connection to a recorder
- RS-232 interface for caturing data directly on a pc
- Tripod mount ideal for field use
คุณสมบัติ
| MODEL | 407752 |
|---|---|
| Digital Display | 3-1/2 digit (1999 count) Autorange LCD |
| Bargraph Display | 50dB display range (1dB resolution) |
| Measurement Range | 30 to 130dB (35 to 130dB for "C" weighting) |
| Resolution | 0.1dB |
| Accuracy | ±1.5dB @ 94dB for a 1kHz sine weve |
| Microphone | Eletret Condensor .24"(6mm dia.) type |
| Frequency Weighting | Frequency Weighting |
| Time Respone | Slow/Fast |
| Sampling time | updates every 0.5seconds |
| Measurement frequency range | 31.5Hz to 8kHz |
| Analog output | AC : 0.707Vrms (full scale); DC : 10mVDC/dB |
| Applicable Standards | IEC 641 Type 2, ANSI S1.4 Type 2 |
| Dimensions | 256 x 80 x 38 mm. |
| Weight | 240g. |
