Sensor:Capacitive microphone
Measurement range:30~130dB
Measurement accuracy:±1.5dB
Frequency response:20HZ~8KHZ
A-weighting (the noise curve heard by the human ear)
Frequency weighting
C right (machine-sensed noise straight line)
Data Communication:
USB
data analysis
offline
Data storage:10,000 transactions
AC/DC signal output: Yes
Low battery warning: Yes
Overload Warning: Yes
Bit depth and resolution:3.5-digit & 0.1dB
Time-weighted:Fast / Slow
Maximum Value Lock:Yes
Power supply:4*1.5V AA batteries or power adapter
Net weight of the product:190g
Product dimensions:215*82*34mm
Packaging method:color box packaging
