Nor131 and Nor132

Nor131 and Nor132 Sound level meter

The Nor131 is a Class 1 (precision) instrument whilst the Nor132 is designed in accordance with the less accurate Class 2 requirements.

Both meters offer the same features with exception of the detachable preamplifier which is only available on the Nor131 version.

Features

• Single measurement range.
• Extremely simple operation.
• Parallel LAeq and LCpeak.
• Real time 1/1 octave and 1/3 octave
• Reverberation time calculation
• Statistical analysis
• Level versus time
• Speech Transmission Index (STIPA) calculation
• USB interface
• Large back-lit display

Options

The Nor131 and Nor132 sound level meters may be extended with a selection of optional features that may be ordered and installed at any time.

Option packages

• Nor131/RA options package including option 1,5,6.

• Nor131/ENV options package including option 1,2,3,4,7.

• Nor131/ALL options package including option 1,2,3,4,5,6,7.

• Nor132/RA options package including option 1,5,6.

• Nor132/ENV options package including option 1,2,3,4,7.

• Nor132/ALL options package including option 1,2,3,4,5,6,7.

• Option 1 : Frequency analysis - 1/1 octave filters

• Option 2: Statistical Analysis

• Option 3 : Level vs Time

• Option 4: 1/3-octave real-time filters

• Option 5: Reverberation time measurement mode

• Option 6: STIPA (Speech Transmission Index) measurement mode

• Options 7: Parallel F, S, I

Standards

• IEC 61260-1, IEC 61260-2, IEC 61260-3, IEC 61672-1
• ANSI S1.4, ANSI S1.11, ANSI S1.43
• DIN 45657, TA-Lärm
• NS 4814, NS 4815, NS 8172