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Home > Products > Sound Level Meters > Pulsar Nova > Model 45 and Model 46 > Specifications

Nova Octave Band Sound Level Meter - Models 45 and 46

nova octave band sound level meter

Nova Octave Band Sound Level Meter

Nova Integrating Sound Level Meter Specifications

These specifications are for the Pulsar Nova Model 45 and Nova Model 46 Integrating Sound Level Meter.

Sound Level Meter Standards

  • ANSI S1.4 and ANSI S1.43
    • Model 45 - Type 1
    • Model 46 - Type 2
  • IEC 60804:2000, IEC 60651:2001
    • Model 45 - Type 1
    • Model 46 - Type 2
  • IEC 61672-1:2002
    • Model 45 - Class 1
    • Model 46 - Class 2
  • Octave Band Filters: IEC 61260 and ANSI S1.11


Most occupational noise regulations demand the use of a Type 2 Sound Level Meter. Both the Model 45 and Model 46 meet or exceed these requirements. Note that you should also have a suitable Sound Level Calibrator.

If you have any questions about the standards your meter needs to meet then please call on 888-206-4377 or email on


Measurement Range
20 to 140 dB RMS in a Single Range (no need for range selection)

Noise Floor
Model 45 Type 1 noise floor < 18 dB(A)
Model 46 Type 2 noise floor < 21 dB(A)

Time Weightings
"F" Fast, "S" Slow and "I" Impulse, all measured simultaneously.

Frequency Weightings
"A", "C" and "Z" weighting, all measured simultaneously. (Z weighting is flat from 20Hz to 20kHz ±1.5dB)

Noise Measurement Parameters
LXY LXYmax and LXYmin
LXeq LXpeak LXE LAIeq

where X = frequency weighting (A, C or Z) and Y = time weighting (Fast, Slow or Impulse)

Integrators 2 and 3 providing Dose % and Est. Dose %

Octave Band Filters (graphical and numeric)

14 statistical parameters (Ln values)

4GB removable memory card

Audio Recording
Manual recording - button push to start
Sampling rate: 48kHz / 32-bit WAV
Audio Note recording up to 30 seconds for each measurement

6 x AA for typically 30 hours operation with Alkaline and 50 hours with Lithium

External Power
5V to 15V via Multipin I/O socket

Weight 440g excluding batteries
Size 280mm x 80mm x 42mm with preamplifier and microphone fitted

USB 2.0 Mini-B
AC output via 3.5mm stereo jack
AC and DC output vi Multipin I/O socket

Tripod Mount
Standard 1/4" threaded socket

Diecast aluminum with silicon elastomer keypad and soft touch back

High resolution anti-glare OLED
Ambient light sensor for automatic brightness adjustment
Illuminated keypad for low-light operation

Operating Temperature: -10°C to +50°C
Storage Temperature: -20°C to +60°C
Humidity: Up to 95% RH Non-condensing

Electromagnetic Performance
IEC 61672-1:2002 and IEC 61672-2:2003
Except where modified by EN 61000-6-1:2007

Data Logging and Storage
Removable memory size is 4GB

English, French, German, Italian and Spanish.


Type 2 Nova Sound Level Meter
1 week
Type 1 Nova Sound Level Meter
1 week
More pricing information

Similar Products

Nova Models 41 and 42
Sound Level Meter
Nova Models 43 and 44
Integrating Sound Level Meter

How to Buy

Credit Card
Click the button or call 888-206-4377.

Purchase Order
Or by fax: 888-584-2230.

Information Request

Prices and Ordering

Order Code
Price (USD)
Nova Class 2 / Type 2 Octave Band Sound Level Meter
1 week
Nova Class 1 / Type 1 Octave Band Sound Level Meter
1 week
Class 2 Sound Level Calibrator. 1kHz, 94dB. For 1/2 inch microphones
Class 1 Acoustic Calibrator. 1kHz, 94dB. For 1/2 inch microphones
Carrying Case for Nova Sound Level Meter
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