Ultra Engineering : บริษัท อุลตร้าเอ็นจิเนียริ่ง จำกัด | สินค้าExtech 407750 Sound Level Meter


ข้อมูลสินค้า

 
Extech 407750 Sound Level Meter

Extech 407750 Sound Level Meter


Model: Extech 407750
   Sound Meters    Extech
 

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)

 

สินค้าประเภทเดียวกัน