Sound Level Meter SL4200
Specifications:
Frequency range:125Hz to 8KHz
Measuring range:35-130dB
Frequency Weighting: A/C
Microphone:1/2 inch electric 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