Specification:
Sound Pressure Measurement Scope 30~130dB at A, 35~130dB at C
Sound pressure frequency response 30Hz~8kHz
Sound pressure frequency weighting A and C Characteristics
Accuracy +/- 1.5dB (sound pressure standard,94 dB@1KHz )
+/-5dB(sound Pressure Standard,94dB@8KHz)
Dynamic Range of sound pressure 50dB(for each measurement gear level)
Dynamic characteristic of sound pressure Fast 125ms, Slow 1sec
Microphone Polarized capacitive microphone
Digital display 4 digit, resolution:0.1dB, smapling rate:2times/sec
Bargraph display Each analog bar represents 1dB, Smapling rate is 20 times/sec
Measurement Gear level :
30~80dB,40~90dB,50~100dB,60~110dB,70~120dB,80~130Db,6Gear Levels in total
Automatic shifting gear level Microcomputer will automatically select the best gear
level in the range from 30 to 130dB.
Fast/slow Selection
Data hold
Backlight
Max/MIN
Data storage
