Voltcraft DL-161S
 | |
| Status | planned |
|---|---|
| Connectivity | USB |
| Frequency range | 31.5Hz - 8kHz |
| Measurement range (A) | 30dB - 130dB |
| Accuracy (94dB@1kHz) | 1.4dB |
| Frequency weighting | A, C |
| Time weighting | F, S |
| Standards | IEC 61672-1 Class 2 |
| Website | Voltcraft |
The Voltcraft DL-161S is a sound level meter with USB connectivity.
See Voltcraft DL-161S/Info for more details (such as lsusb -vvv output) about the device.
This is a rebadged CEM DT-173.
Hardware
TODO
Photos
Protocol
The host sends commands and receives responses via a virtual serial port, with USB bulk endpoint 2 as a backend. A command consists of a single byte followed by any arguments to the command.
| Command | Response | Description | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0x0c | 0xff | Calibrate device, 2 bytes payload: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1 | Calibration value, as a signed integer between -10 and 10, where 1 represents 0.1 dB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2 | Unused (0x00) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 0x0e | 0xff | Configure device | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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