Extech 407750 Sound Level Meter with PC Interface

The Extech Sound Level Meter with PC Interface features a background sound absorber for machine noise measurements.

Features

  • Auto/manual ranging from 30 to 130dB in 6 ranges
  • Background noise absorber mode filters ambient noise
  • RS-232 interface for capturing data directly on a PC
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Description

The Extech Sound Level Meter has a background sound absorber mode for machine noise measurements that filters ambient noise. It can easily interface with a PC to capture data directly via the optional Windows compatible software. Its high-accuracy specification allows the unit to meet type 2 standards (ANSI S1.4-1983, IEC 60651, EN 60651). An electret condenser microphone provides high-accuracy measurements. Live readings can be read clearly on the large display with backlighting and analog bargraph. The meter has 6 auto or manual ranges from 30 to 130dB.

  • Digital display: 3-1/2 digit (1999 count) autorange LCD
  • Bargraph display: 50dB display range (1dB resolution);
  • Measurement range: 30 to 130dB (35 to 130dB for C weighting)
  • Resolution: 0.1dB
  • Accuracy: +/-1.5 dB @ 94dB for a 1kHz sine wave
  • Microphone: electret condensor .24″(6mm dia.) type
  • Frequency weighting: A and C type
  • Time response: slow/fast
  • Sampling time: updates every 0.5seconds
  • Measurement frequency range: 31.5Hz to 8KHz
  • Analog output: AC: 0.707Vrms (full scale); DC: 10mVDC/dB
  • Applicable standards: IEC 651 Type 2, ANSI S1.4 Type 2
  • Power Supply: 9V battery , optional AC adaptor
  • Dimensions: 10 x 3.1 x 1.5″(256 x 80 x 38mm)
  • Weight: 8.5oz. (240g)

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