place of origin
Taiwan, China
Applicable standards
IEC61672-1:2002 Class 1,
Measuring ranges
20 ~ 90dB,20 ~ 100dB,20 ~ 110dB,30 ~ 120dB,40 ~ 130dB
Micphone
1/2 inch polarized condenser microphone
Measurement function :
Lp (volume), Leq (average volume), LE (exposure volume), Lmax
Frequency Range :
12.5Hz ~ 20KHz
Frequency Weighting :
A, C and Z weighting
accuracy : accuracy +/-0.7dB
94dB at 1KHz)
memory capacity
Manual (250 pens),