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Sound Level Meter 407750

เครื่องวัดระดับความดังเสียง Sound Level Meter Extech 407750

Sound Level Meter with PC Interface Big backlit display, PC Interface & background sound absorber "High accuracy meets ANSI & IEC 651 Type 2 standards"

Sound Level Meter with PC Interface

Big backlit display, PC Interface & background sound absorber

  • High accuracy meets ANSI & IEC 651 Type 2 standards
  • Background noise absorber for machine noise measurements filters ambient noise
  • RS-232 interface for capturing data directly on a PC
  • Large display with backlighting and analog bargraph
  • Min/Max
  • Analog AC/DC outputs for connection to a recorder
  • Tripod mount ideal for field use

Specifications:

  • 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: +/-1.5dB @ 94dB for a 1kHz sine wave
  • Microphone: Electret Condensor .24" (6mmdia.) type
  • Frequency Weighting: "A" and "C" type
  • Time Response: Slow/Fast
  • Sampling time: updates every 0.5 seconds
  • Measurement frequencey 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: 10x3.1x1.5" (256x80x38mm)
  • Weight: 8.5oz (240g)