SL4200
Sound Level Meter
Sound Level Meter
Frequency range:125Hz to 8KHz Measuring range:35-130dB Frequency Weighting:A/C 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:30dB MAX hold: "MAX" Power supply: one 9V battery (model 6F22) Operating environment: Temperature: 0-40℃(32-104°F) Relative humidity: ≤90%RH |