SL4201(with usb interface)SL4201S(without usb interface)Sound Level Meter


Product Description

Sound Level Meter SL4201 (with usb interface),  SL4201S (without usb interface)

Specifications:
Frequency range:31.5Hz to 8KHz 
Measuring range:(28)30-130dB
Frequency Weighting: A/C 
Microphone:1/2 inch polarization capacitance microphone 
Digital Display:4 digit LCD
Resolution:0.1dB
Display Update:2 times/sec 
Time Weighting: FAST 125ms
SLOW 1 second 
Measuring ranges:Range 1:(28)30dB to 70 dB Range 2:60dB to 100 dB Range 3:90dB to 130 dB
Accuracy:±1.5dB(reference conditions 94dB@1kHz) 
Dynamic range:40dB
MAX hold: "MAX"
Data storage:60000 samples
USB Interface Data Logger
Power: one 9V battery
Operating environment: 
Temperature: 0-40℃(32-104°F)
Relative humidity: ≤75%RH