Applicable standards

 IEC 61672-1: 2013 Class 2, JIS C 1509-1:2005 Class2, JIS C 1516:2014 Class2

 Measurement functions

 Sound level, Equivalent continuous sound level, Sound exposure level, Maximum Sound level, C weighting peak sound level (measurement possible only when peak range is selected)

 Measurement times

 1/5/10 minutes, or 1 hour

 Frequency weighting 

characteristics

 A weighting, or C weighting

 Measurement level range

 [Wide range] A weighting: 30 dB to 137 dB, C weighting: 36 dB to 137 dB 

 [Peak range] A weighting: 65 dB to 137 dB, C weighting: 65 dB to 137 dB

 Frequency range

 20 Hz to 8000 Hz

 Microphone

 1/2-inch electret condenser microphone

 Time weighting 

characteristics

 Fast or Slow

 Functions

 Storing processing results (Storing capacity : 199 pieces of data), Warning indications, Bar graph

 Output

 DC output connector: DC output: 3 V (full scale), 25 mV/dB, Output impedance: 50 Ω 

 AC monitor output connector: AC output: 1 Vrms +600 mVrms, -400 mVrms (at 110 dB) (Upper limit: 1.8 Vrms), Output impedance: 600 Ω, Frequency weighting characteristics: Z weighting

 Power supply

 LR03 (AAA) alkaline battery ×2, Continuous use 9 hr at wide range, R03 (AAA) manganese battery ×2, Continuous use 3 hr at wide range, Consumption: 80 mA

 Dimensions

 63 mm (2.48 in) W × 120 mm (4.72 in) H × 23.5 mm (0.93 in) D