Class 1 Decibel Meter with 1:1 Octave Bands, Pulsar Nova

High-performance Class 1 Decibel Meter from Pulsar Instruments' Nova range. This integrating averaging meter meets IEC 61672 as well as UK, EU and US regulations for noise assessments. It has a wide dynamic measurement range, includes features for statistical analysis of noise and 1:1 octave band filters.


  • Range 20dB(A) to 140dB(A) & 143dB(C)
  • Real-time 1:1 Octave band filters
  • TWA/dose and Ln values
  • Data Logging and AnalyzerPlus software
  • Audio recording, Audio Note, and Automatic Timers


Ideal for compliant occupational, industrial, construction noise assessments and environmental noise pollution measurements.

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The Pulsar Model 45 Class 1 Decibel Meter is an accurate, reliable, premium meter suitable for most applications of noise measurement including: noise at work, construction, entertainment, environment and for measuring machinery and vehicle noise. The Pulsar Nova is compliant with IEC 61672-1:2002 and has been given PTB Type-Approval. The added features of this class 1 integrating averaging sound level meter include 1:1 Octave Band Filters, Audio Recording, Ln Values and Data logging.

The decibel meter is supplied with powerful software that enables you to store your measurements, download them and easily create compliant noise measurements in a few clicks.

Full list of features

Model 45 Class 1 SPL A, C, Z (simultaneous measurement) frequency weighting F, S & I (simultaneous measurement) Time weighting

  • AnalyzerPlus data-logging software
  • OLED Display - see the screen in all conditions
  • Calibration prompt for compliant accurate measurements
  • Takes measurements of all noise measurement parameters simultaneously
  • Leq, Peak and C-A
  • 20dB(A) to 140dB(A) & 143dB(C) dynamic measurement range
  • Pause & back erase function
  • Colour coding for measurement status
  • Manual audio record
  • Audio Note
  • Repeat Timer
  • Single Timer
  • TWA/dose
  • Ln Values
  • Real-Time 1:1 Octave Band filter Analysis across the frequency range of 31.5Hz to 16kHz
  • Compliant with International Standard IEC 61672-1:2013 for Class 1 sound level meters, and with the standards below
  • 1:1 Octave Band Filters to IEC 61260 & S1.11-2004
  • 12-month calibration certificate included as standard
  • Up to 7-year warranty
  • PTB type approved

Applicable standards

  • IEC 61672-1:2013 Class 1 or Class 2, Group X
  • IEC 60651:2001 Type 1 I or Type 2 I
  • IEC 60804:2000 Type 1 or Type 2
  • IEC 61252:1993 Personal Sound Exposure Meters
  • ANSI S1.4 - 1983 (R2006), ANSI S1.43 - 1997 (R2007)
  • ANSI S1.25:1991
  • 1:1 Octave Band Filters to IEC 61620 & ANSI S1.11-2004

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