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Digital Sound Level Meter SL 4001
The instrument is compatible with several standards of GB/T 3785, IEC 651 Type 2, Ansis 1.4 Type 2. It is widely used to test the sound level of environment, mechanic, vehicle, ship and other noise. Fit for industry protecting, working, sanitation, teaching use and other departments and aircraft noise.
Technical Specifications :
| Model | Metrix+ SL 4001 |
| Microphone | 1/2 inch electret condenser microphone |
Measuring range | 30~130 dBA 35~130 dBC |
| Accuracy | +1.5dB |
| Frequency range | 31.5~8,500 Hz |
| Calibration | - |
| Alarm value set | - |
| Linearity range | 50dB |
| Frequency weighting | A & C |
| PC interface RS232C | - |
| Data Analysis | - |
| Memory | - |
| AC/DC output | Yes |
| Low battery indication | Yes |
| Over range indication | Yes |
| Resolution | 4 digits and 0.1dB |
| Time weighting selection | Fast/Slow |
| Measuring level selection | Yes |
| Max hold function | Yes |
| Sampling frequency | 2 times / sec |
| Power | 9V battery |
| Product Net weight | 225g |
| Product size | 221 x 66 x 33mm |
| Accessories | Main unit, Manual |
| Optional accessories | ND 9 sound calibrator |
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