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1/2 inch electret condenser and 3 1/2 digits LCD display sound level meter DT-4200
Frequency range:125Hz to 8KHz
Measuring range:35dB to 130Db
Frequency Weighting:A/C
Micrphone:1/2 inch electret condenser
Display:3 1/2 digits LCD display
Resolution:0.5Db
Sampling time:0.5 second
Time Weighting:FAST 125ms
SLOW 1second
Measuring ranges:Range 1:35dB to 70dB
Range 2:60dB to 90dB
Range3:80dB to 110dB
Range4:100dB to 130dB