EXTECH 407355 Máy đo độ ồn kết nối máy tính

Standards: Meets ANSI S1.25(1991) Type 2, ISO-1999, BS 402 (1983)

Range/Resolution: 70 - 140 dBA / 0.1dB

Digital Display: LCD 0.01-9999%

Criterion Level: 80, 84, 85, or 90dB

Exchange Rate : 3, 4, 5 or 6 dB

Threshold Level : 70-90 (1db steps)

Frequency weighting: A

Response Rate: Fast or Slow

High Level: Detector/Peak Flag 115dB / 140dB

Dimensions/Weight: 4.2 x 2.5 x 1.3" (106 x 64 x 34mm) 8oz. (227g) incl.batteries

Microphone:1/2 inch electret condenser with 31" cable

Battery Life:34 hrs

Event Storage: 5 surveys

RS232 Interface: yes

Real time clock: yes

  • Perform OSHA and IEC Noise accumulation surveys
  • Adjustable Criterion Level, Exchange Rate, and Threshold
  • Applications include Personal accumulated noise exposure measurement, Workplace noise assessment, OSHA and other regulatory agency compliances
  • Datalogs up to 4500dB readings when used as a sound level meter
  • Optional 94/114dB calibrator to perform “before” and “after” calibration checks per ANSI standards
  • Stores up to 5 dosimeter surveys. Data includes Start/Stop Time, %Dose, TWA, peak flags, when used in the Dosimeter mode
  • Bi-directional RS-232 with Windows® 95/98/NT/2000/ME/XP compatible software to control setup and retrieve stored events or analyze real time measurements
  • Complete with 9 pin to 25 pin adaptor
  • RS-232 cable
  • Belt clip and clip-on 0.5” microphone with 2.6ft (0.8m) cable
  • 4 AAA batteries
  • Mini screwdriver
  • Carrying case
  • Software



  • 质量承诺
  • 正品保修
  • 送货到家
  • 交易简单化