Sound level meter AR824

Specification:
*Measuring range: 30~130dBA, 35~130dBC
*Accuracy: ±1.5dB
*Frequency range: 31.5Hz~8.5KHz
*Linearity Range: 50dB
*Fast/Slow weight selection
*A/C frequency weight selection
*Sound Measuring level selection
*A/C frequency weight selection
*Microphone: 1/2 inch electret condense microphone
*Sampling frequency: 2times/second
*AC/DC output interface
*Over range indication
*Max reading hold function
*Low battery indication
*Power auto shut off

Packing information:
*Power: 4*AA 6V battery or DC adapter
*Net weight: 300g
*Size: 265x70x35mm
*Packing style: Gift box
*Q'ty per carton: 20pcs
*Standard carton size: 62.5x45.0x28.5cm
*G.W of the carton: 17.2kg