Difference between revisions of "Voltcraft DL-161S"
Jump to navigation
Jump to search
Line 47: | Line 47: | ||
| style="width: 1em;" | | | style="width: 1em;" | | ||
| style="width: 3em;" | 1 | | style="width: 3em;" | 1 | ||
| Calibration value | | Calibration value, as a signed integer between -10 and 10, where 1 represents 0.1 dB | ||
|- | |- | ||
| style="width: 1em;" | | | style="width: 1em;" | |
Revision as of 11:42, 25 July 2013
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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|