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Integrating Sound Level Meter with Data Logging

Integrating Sound Level Meter with Data Logging



Extech Data Logger Measuring Sound Level with Built-in USB Connection


  • Measures and Records Sound in the Range 30 to 130dB
  • SPL, SPL (Min, Max), SEL and LEQ Display Modes
  • Records up to 32,000 Readings, Real Time Calendar/Clock
  • LCD Shows Current Readings, Battery Status and Features an Analog Bargraph
  • Complies with Requirements of IEC 61672-1:2003 Standard for a Class 2 Instrument


Microphone 0.5" (12.7mm) Electret Condenser Microphone
Measurement Range 30 to 130dB
Frequency Range 31.5 to 8kHz
Sampling Time Updated every 0.5s
Accuracy ±1.5dB (ref 94dB@1KHz)
Resolution 0.1dB
Measurement Parameters SPL, SPL MIN/MAX, SEL, and Leq
Frequency Weighting A and C
Response Impulse, Fast and Slow
Data Storage Capacity 32,000 Samples
Battery (4) 1.5 Volt AA Batteries
Battery Life Approximately 24 Hours
PC Interface USB
Software Windows XP and Vista 32-Bit Compatible
Standards Compliance IEC: 61672-1, 60651 and 60804 Type 2
ANSI: S1.4 Type 2
Dimensions 265mm x 72mm x 21mm (10.4" x 2.8" x 0.8")
Weight 10.9 oz. (310 grams)