Applicable Standards

• IEC 61672-1:2013
• IEC 61260-1:2014 (Where Octave Bands Fitted)
• IEC 61252:1993 amendment 1:2000 (Where Exposure Fitted)

Microphone

• Class 1: Type 1 Pre-Polarized ½” (13.2 mm) Electrets Condenser Microphone -27 dB ± 2 dB re 1V/Pa
• Class 2: Type 2 Pre-Polarized ½” (13.2 mm) Electrets Condenser Microphone –32 dB ± 3 dB re 1V/Pa
• Measurement Ranges: Linear Operating Range: 95dB
• Noise Floor: Typical ’A’ Weighting <15 dB (A) RMS
• 'C' Weighting <18 dB(C) RMS
• 'Z' Weighting <18 dB(Z) RMS
• Frequency Weightings: Measurement 1: A, C or Z, Measurement 2: A, C or Z
• Frequency Range: 1 Hz - 20 kHz (electrical characteristics)
• Class 1: 12.5 Hz - 20 kHz (including microphone)
• Class 2: 12.5 Hz - 16 kHz (including microphone)
• Time Weighting:
• Measurement 1: Slow, Fast, Impulse
• Measurement 2: Slow, Fast, Impulse
• Display: 2.4” Full Color TFT 240x320 pixels
• Dual Measurements: Simultaneous dual measurement with independent time and frequency weightings.

Measurement Parameters

dBAir Safety: 
LSPL, LEQ, LMAX, LMAX, Peak, LEP’d, Exposure Points, Dose, Hearing Protector Calculator 

dBAir Safety Octave:
LSPL, LEQ, LMAX, LMAX, Peak, LEP’d, Exposure Points, Dose, Hearing Protector Calculator 
1/1 or 1/3 Octaves: 
LSPL, LEQ, LMAX, LMAX, Peak 

dBAir Environmental:
LSPL, LE, LEQ, LMAX, LMAX, Peak, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L2, L5, L10, L50, L90, L95, L98, L99) plus LAF* for Noise act assessment. 

dBAir Environmental Octave:
LSPL, LE, LEQ, LMAX, LMAX, Peak, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L2, L5, L10, L50, L90, L95, L98, L99) plus LAF* for Noise act assessment. 
1/1 or 1/3 Octaves: 
LSPL, LE, LEQ, LMAX, LMAX, Ln’s, Peak