Features
- 30 to 130dB
- 31.5 to 8kHz frequency range
- ±1.4dB basic accuracy meets ANSI and IEC 61672 Class 2 standards
- A and C weighting
- Fast (125ms) / Slow (1s) response time
- 129,920 data logging points
- USB PC interface
The Extech 407760 USB sound level data logger has a 30 to 130 dB range with data logging capability up to 129,920 records. There is a selectable data sampling rate and readings are recorded with a real time clock. The Extech 407760 USB sound level data logger has two start methods: programmed (from PC) or manual. The data logger also has 0.5" electret microphone.