ACO 6230H 声级计 (30 ~ 130dB (A); 36 ~ 130dB (C); 46 ~ 130dB (Zero))

Applicable standards
+ IEC 60651 Type 2
+ IEC 60804 Type 2
Measurement functions 
+ Lp : Sound pressure level
+ Leq : Equivalent continuous A-weighted sound pressurelevel
+ Lmax : Maximum sound level
+ LCpeak :C weighted Waveform peak hold
Measurement Range: 55dB to 130dB (C weighted Waveform peak hold)
Measurement Range 
+ 30dB to 130dB (A)
+ 36dB to 130dB (C)
+ 46dB to 130dB (F)
Time weighting: Fast, Slow
Microphone: 1/2 Electret condenser microphone
Display: Type : Liquid crystal and Back light
Bar display : Display Period:1s
Battery: Two 2 AAA batteries (Alkaline batteries : 7hours) oroptional AC adapter
Dimensions and weight: 168(H) X 48(W) X 23.5(D) 120g