Keterangan

SOUND LEVEL METER Smart AR814
Measuring Range : 30~ 130dB A
: 35~ 130dB C
Level Range Control Switch : 30dB to 80dB
: 50dB to 100dB
: 60dB to 110dB
: 80dB to 130dB
Frequency Range : 31.5HZ-8.5KHZ
Linearity Range : 50dB
Digit & Resolution : 5Digits & 0.1dB
Bar Graph : 50dB scale at 1dB step monitoring
Time Weighting Selection : Fast for normal measurement
Slow for checking AVERAGE level of fluctuating noise
Frequency Weighting : A weighting for general sound level measurement
C weighting for checking low frequency content of noise
Microphone : 1/ 2 Inch Electret Condenser Microphone
Sampling Frequency : 2 times/ sec
Power Source : 9 Volt alkaline battery or 9Volt DC adaptor
Dimensions : 265( L) × 72( W) × 35( D) mm
Weight : 300g approx.