Testo 0554 0452 Sound Level Calibrator 94 dB, 114 dB 1000Hz [0554 0452]; 498-0095
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| THÔNG SỐ KỸ THUẬT | |
|---|---|
| Sound Output | 94 dB, 114 dB |
| Frequency | 1000Hz |
| Accuracy | ±0.5 dB |
| Microphone Size | 1 in, 1/2 in |
| Battery Life | 40 h |
| Battery Type | 9V |
| Model Number p | 0554 0452 |