Extech 407760 USB Sound Level Datalogger, Type 2

The 407760 performs high accuracy datalogging of up to 129,920 records and is designed to meet ANSI and IEC 61672 Class 2 standards.

• USB interface for easy setup and data download
• 30 to 130dB range
• Datalogging capability up to 129,920 records
• Selectable data sampling rate: 50ms, 500ms, 1s, 2s, 5s, 10s, 60s
• Records readings with real time clock
• Two start methods: programmed (from PC) or manual
• 0.5″ electret microphone
• Includes 3.6V Lithium battery, Windows® compatible software, and windscreen

• Identify noise ordinance violations
• Meeting government safety issues (OSHA)
• Machine noise evaluation
• Traffic noise measurements
• Community noise measurements
• Theater acoustic studies
• Stereo balancing

• Range: 30 to 130dB
• Frequency Range: 31.5 to 8kHz
• Basic accuracy: ±1.4dB
• Weighting: A and C
• Response Time: Fast (125ms)/Slow (1s)
• Datalogging: 129,920 points
• PC Interface: USB
• Dimensions: 5.1 x 1.1 x 0.9″ (130 x 30 x 25mm)
• Weight: 1oz (20g)

• Extech 407760 Data Sheet.pdf
• Extech 407760 User’s Manual.pdf