Sound Level Meter - SL4201

Product Specification

SL4201Sound Level Meter-

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) 30 dB to 70 dB
      Range 2: 60 dB to 100 dB
      Range 3: 90 dB to 130 dB
Accuracy: ±1.5dB (reference conditions 94dB @ 1kHz)
Dynamic range: 40dB
MAX hold: "MAX"
Data storage: 60000 samples
Interface: USB interface
Power: one 9V battery
Operating environment:
    Temperature: 0-40℃ (32-104°F)
    Relative humidity: ≤75%RH