TangoPlus 1/1 and 1/3 Octave SLM Class 1 Logger

Noise Monitoring

TangoPLUS 1/1 and 1/3 Octave SLM Class 1 Logger


The SINUS TangoPLUS  Noise logger with 1/3 octaves is based upon the TangoPLUS sound level analyser. The Tago meter is fitted inside a peican case with a battery and the microphone is fitted to an external tripod. An optional 10m long microphone cable is also available.

Noise data may be downloaded directly to a PC via the Tango_Utilities software in csv format, alternatively may be post-processed using SINUS AUDITOR Software.

Accuracy Integrating sound level meter class 1 or class 2
according to IEC 60651 / 60804 / 61672
1/3 octave analyser class 1 according to IEC 61260
Calibratability PTB type approval has been applied for.
Measurement values
  • Sound pressure level LAF, LAS, LCF
  • Maximum sound level LAFmax, LASmax, LCFmax
  • Minimum sound level LAFmin, LASmin, LCFmin
  • Continuous sound level LAeq, LCeq
  • 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 LCeq-LAeq, LAFTeq-LAeq
  • Level with impulse time weighting: LAImax
  • Time / measurement time /
    exceedance duration
Octave analyser 1/1 and 1/3 octave spectra (10 Hz – 20 kHz; A, C, Z)
Frequency weightings A, C
Time weightings Fast, Slow, Impuls, Peak
Measuring range 25 to 140dB (LAeq)
60 to 143dB (LCpeak)
Resolution 0.1dB
Display Color TFT

  • Resolution 320 x 240 dots
  • Measured value with 3.5 digits
  • Bar graph, spectra, time history
  • Undercut-, overload indicator
  • Measurement time (hh:mm:ss)
  • Battery status of charge
  • Memory status
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 32 MB
Interface USB 2.0, printer port,
RS232 with the Adapter Tango_RS232-ADAPTER
Batteries 2 x AA type (1.2 … 1.5V),
all battery models may be used
Operating time per battery set > 40 h (per set of 2x batteries 2.7 Ah )
Dimensions 190mm x 70mm x 32mm
Weight 290g (incl. batteries)
Scope of delivery Sound level meter, windscreen,
carrying case, user manual,
1.5m USB interface cable, USB power adapter,
Tango-Utilities software

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