Specifications

Frequency range :31.5Hz~8kHz

Measuring level range :30dB ~130dB

Frequency weighting: A weighting

Microphone: 1/2 inch electret condenser microphone Display: 3- 1/2 digits LCD

Resolution: 0. 1dB

Reaction time:  ＜1 second

Time weighting :FAST( 125mS)

Accuracy :± 1.5dB (under reference conditions 1kHz, 94dB). Alarm function :"OL" is show when input is out of range.

Auto  power  off  :  Automatically  shut  down  after  10  minutes without any operation.

Power  supply:One  6F22  size  9V  battery.Pay  attention  to  the battery polarity when installing.

Power life :About 50hrs(alkaline Battery)

Operation temperature:0°C to 40°C(32°F to 104°F) .

Operation humidity :( 10-90)%RH.

Storage temperature :- 10°C to 60°C( 14°F to 140°F).

Storage humidity :( 10-75)%RH.

Shape size:L×W×H(mm)=190×65×40(mm).