407750 Extech Sound Meter

The 407750 is a sound meter from Extech.


  • Meets ANSI & IEC 651 Type 2 standards
  • Background noise absorber for machine noise measurements filters ambient noise
  • 30 to 130dB measurement range with ±1.5dB accuracy
  • Large display with backlighting and analog bargraph
  • MIN/MAX, Auto/Manual Ranging
  • Analog AC/DC outputs for connection to a recorder
  • RS-232 interface for capturing data directly on a PC
  • Tripod mount ideal for field use


  • Measurement Range: 30 to 130dB
  • Basic Accuracy: ±1.5dB (Type 2)
  • Weighting (A & C): Yes
  • Response Time (Fast/Slow): Yes
  • Condenser Microphone: 0.5" (12.7mm)
  • Analog Output: AC/DC
  • PC Interface: Yes
  • Datalogging: -
  • CE approved: Yes
  • Dimensions/Weight: 10x3.1x1.5" (256x80x38mm)/8.5oz (240g)
  • Warranty: 1 year

The 407750 Sound Level Meter with PC Interface has a large backlit display, PC Interface and background sound absorber for noise measurements with high ambient noise levels. It features A/C Weighting, fast/slow response time, Min/Max, and analog AC/DC outputs for connection to a recorder. Complete with microphone wind screen, 9V battery and case.

ValueTronics New and Used Test Equipment, All Rights Reserved