- High accuracy ±1.4dB meets ANSI and IEC 61672-1 Type 2 standards
- 30 to 130dB measurement range
- Auto or Manual ranging
- AC analog output for connection to an analyzer or recorder
- Large backlit LCD display
- Stores 99 readings manually and 20M readings via 2G SD card
- Data logger date/time stamps and stores readings on an SD card in Excel:registered: format for easy transfer to a PC
- User programmable sampling rate: 1 to 3600 seconds
- Min/Max, Data Hold, Auto Power Off
- Built-in PC interface
Users Manual: http://www.extech.com/instruments/resources/manuals/SDL600_UM.pdf