เครื่องวัด เครื่องวัดเสียง Sound Meter
เครื่องวัดเสียง

Noise Dosimeter 407355

407355

เครื่องวัดเสียง สะสม 407355

Noise Dosimeter with PC Interface

Measure total sound exposure over an 8-hour period

  • Perform OSHA and IEC Noise accumulation surveys
  • Adjustable Criterion Level, Exchange Rate, and Threshold
  • Ideal for personal/workplace accumulated noise exposure
  • Also has storage of 5 separate surveys, Bi-directional RS-232 with Windows® compatible software and a real time clock.

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:

4.2x2.5x1.3” (106x64x34mm) 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