Precision sound level meter LD-831 C.
- Class 1 precision sound level meters (IEC 61672-1: 2013, ANSI S1. 4-2014),
- High resolution LCD colour display,
- Real time-frequency analysis in 1/1 and 1/3 octave bands IEC 61260:2014 and ANSI S1. 11-2014 class 1,
- Frequency weighting: A, C, Z at the same time,
- Voice & sound recording
- 2 GB of internal memory, expandable via USB,
- Data sharing and remote control via 4 G, WiFi or LAN
- With METAS, PTB approval Class 1