Specifications

• Amplifier frequency range: 2 or 10Hz to 70kHz
• Measures RMS value of signals with crest factor up to 40
• Compact, battery operated
• Can be used for sound & vibration with appropriate accessories
• Has standard weighting filters and optional 1613 Octave Filter Set
• Conforms with IEC R179 and IEC R179A and ANSI Type 1

Microphone Measuring Range

• 1/2" Microphone Type 4165 or 4166: 24 to 140dB(A)
• 1" Microphone 4145: 18 to 140dB(A)
• 1/2" Microphone 4133: 36 to 150dB(A)
• 1/4" Microphone 4135: 69 to 160dB(A)

Optional 1613 Octave Filter Set

• 11 Octave Filters
• Center Frequencies: 31.5 Hz to 31.5 kHz
• Connects directly to 2209 Sound Level Meter