SoundEar 3 - 320

The sound of a good working environment

The SoundEar®3 – 320 enables you to monitor and map the noise environment.

Key features of SoundEar 3 - 320

  • Has a measuring range from 30 dB to 120 dB
  • Built in log that saves LAeq measurements for up to 600 days
  • View multiple units in real time in the SoundEar software by adding a wireless USB dongle
  • Easy transfer of log data into the SondEar software via USB to give a complete overview of the noise environment
  • All measurements are saved in a CSV format and can be opened in Excel

SoundEar 3 Product Demo

Data Sheet & Product Information

Specifications - Technical Information

Standards:
  • IEC61672-2-2002. Type 2, ANSI S1,4 Type 260601-1: Medical electrical equipment - Part 1: General requirements for basic safety and essential performance.
  • 60601-1-2: Medical electrical equipment - Part 1-2: General requirements for basic safety and essential performance.
Parameters:
  • Measures 3 measurements simultaneously LAF; LAS; LCpeak; Laeq, 1s, Laeq ¼ h, Laeq 1/2h, Laeq 1 h. 
Resolution:
  • 0,1 dB for all parameters 
Measuring Ranges:
  • RMS: Total 30 – 120 dB
Deviation:
  • +/- 0.5 dB 
Frequency Range:
  • 20 Hz – 20 kHz
Frequency Weighting:
  • A- weighting ( RMS), C-weighting ( Peak )
​Time Weighting:​
  • Slow (1S) & (125mS) 
Dynamic Range RMS:
  • 90 dB and Peak detection
Light setting:
  • Full configurability through SoundEar® software including night setting. 
2 x Outputs (1 for dB A + 1 for dB C):
  • Either 0-10V or 4-20mA outputs
2 x USB ports:
  • Micro USB (Power &PC), USB OTG (Log, config.)
Display data:
  • LAS max, Leq (A)15, Alarm settings, Temperature & Clock
Power supply:
  • 5VDC (micro USB) / 24VDC (screw terminal) Current consumption: max 2.5W.
Microphone:
  • ​20 Hz – 20 kHz
Internal memory:
  • 16MB (128MBit) (5-90 days log time, depending on log settings)
Real Time Clock: 
  • Hi-precision type with battery backup (CR2032).
Mechanical properties: 
  • Measurements: Length: 150mm, Width: 120mm, Height: 45mm
  • Weight: 0.450 kg.