Sound Level Meter SL4200
Feature
* Microphone: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 1 second
* Measuring ranges:
Range 1:(30)32dB to 70 dB
Range 2:60dB to 100 dB
Range 3:90dB to 130 dB
* Accuracy:±2dB(94dB@1kHz)
* Dynamic range:40dB
* Overflow indictor
* MAX hold: "MAX"
* Power supply: one 9V battery (model 6F22)
* Operating environment:
Temperature: 0-40℃(32-104°F)
Relative humidity: ≤75%RH
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