Sound Level Meter CENTER-322 1).Auto Ranging:30~130dB 2).Bar Graph Indication with 0.1 Resolution 3).RS-232 Interfance

Soud Level Meter CENTER-322(RS-232)

RS-232 Interface Bar Graph Indication MAX/MIN Function Auto Ranging(30~130dB) Resolution 0.1dB Clock Display Level Range Display AC/DC Signal Output

Microphone:     Electorate condenser microphoneAccuracy:     ±1.5 dB ( ref 94dB @1KHz )Level Range:      Lo = 30 ~ 80 dB     Med = 50 ~ 100 dB     Hi = 80 ~ 130 dB     Auto=30~130 dBFrequency Weighting:     A , CTime Weighting:     Fast , SlowAuxiliary Outputs:   AC output               Output voltage: 1Vrms (at full scale)               Output impedance: Approx:600Ω    AC output               Output voltage: 10mV / dB               Output impedance: Approx:50ΩDynamic Range:     50 dBFrequency Range:     31.5Hz to 8KHzBattery Type:     9V Battery Battery Life:     50 hours ( with alkaline battery )Operation Temp.:     0°C~ 40°C(<80% R.H.) 9V Battery, Carrying Case,  Calibration Screwdriver,  Windscreen

Accessories:     Battery, Operation  Manual, Carrying Case, Calibration Screwdriver, Windscreen, 3.5Φ plug    

Sound Level Meter CENTER-322(RS-232)