Applicable standards

IEC Pub 651 Type2 , ANSI S1.4 Type 2

Accuracy

+/- 1.5dB (ref 94dB @1KHz)

Digital display

4 digital LCD

Measurement Level A weighting

30dB to 130dB

Measurement Level C weighting

35dB ~ 130dB

Level Range

30-80dB, 50-100dB, 60-110dB, 80-130dB

Measurement Frequency range

31.5 Hz to 8KHz

Frequency Weight

A and C

Time weight

Fast and Slow

Microphone

1/2 inch Electret condenser microphone

Digital display

4 digit LCD , 0.1dB resolution, updated every 0.5s

Quasi-analog bar indicator

1-dB steps, 50dB display range, updated every 100ms

Display Warning function 

Overrange indicator 
Underrange indicator

Displayed at the upper limit 
Displayed at the lower limit

Analong AC / DC output

2Vrms ( at full scale ) , 10mVDC / dB

Power supply

Four 1.5V LR-6/AA size alkaline cell, AC adapter

Battery Life

about 20 hours

Operating temperature , humidity

5 ~ 40 , 10 ~ 90% RH

Dimensions

265 (L)×72(W)×21(H)mm, ( 10.4" L×2.8" W×0.8" H )

Weight

Approx. 310g

Accessories

Instruction manual  , Carrying case , 
Adjustment screwdriver , Wind shield, 3.5 f plug