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Noise Logger

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Environmental Noise

Tango Noise Logger by SINUS Messtechnik GmbH


SINUS Tango noise logger measures overall statistical noise levels. The logger has a lithium battery and is fitted within a pelican case with an external weather protected microphone and tripod.

Accuracy Integrating sound level meter class 1 according to IEC 60651 / 60804 / 61672
Certification PTB type approval 21.21 / 12.04
Measurement values
  • Sound pressure level LAF, LAS
  • Maximum sound level LAFmax, LASmax
  • Minimum sound level LAFmin, LASmin,
  • Continuous sound level LAeq
  • Peak level LCpeak
  • Sound dose LAE,1s, LAE,8h
  • 3x peak level LCpeak_exceedance
    exceedance duration
    (freely selectable)
  • 3x percentiles (freely selectable) LAFn
  • Continuous sound level LAFTeq-LAeq
  • Level with impulse time weighting: –
  • Time / measurement time /
    exceedance duration
Frequency weightings A, Cpeak
Time weightings Fast, Slow, Peak
Measuring range 30 to 140dB (LAeq), 60 to 143dB (LCpeak)
Resolution 0.1dB
Display Backlit LCD: 

  • Measured value with 3.5 digits
  • Bar graph in 5-dB steps
  • < Undercut, > overload
  • Measurement time (hh:mm:ss)
  • Battery state of charge
  • Storage state
Microphone 1/2″ measuring microphone,
permanently polarized, removable
Class 1 version 1/2″ microphone MK255, 50 mV/Pa
Microphone connector LEMO7 1B (for Micro Extension Cable)
Audio output connector 3.5 mm jack
Calibration Automatically to 94dB with external calibrator
Storage cycles Individually and freely selectable for all measurement values
62,5 ms … 60 min
Storage capacity 8 MB
Interface USB 2.0, RS232 with the Tango_RS232-ADAPTER
Batteries 2 x AA type (1.2 … 1.5V), plus lithium battery pack


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