Smart sensor AR-824

Measuring Range: 30^ 130dBA AC/ DC Output Auto Power Shut Off Low Battery Display Over Range Indication Sound Measuring Level Selection Max Hold Function AC DC Signed output for frekwency analyzer level recorder, FFT analyzer, graphic recorder, etc Measuring Range : 30~ 130dB A , ï ¿ ½ 1.5dB : 35~ 130dB C Frequency Range : 31.5HZ-8.5KHZ Linearity Range : 50dB Digit & Resolution : 5Digits & 0.1dB Time Weighting Selection : Fast/ Slow Microphone : 1/ 2 Inch Electret Condenser Microphone Frequency Weighting : A & C Sampling Frequency : 2 times/ sec Power Source : 4 x AA 1.5 VOLT Dimensions : 265( L) ï ¿ ½ 72( W) ï ¿ ½ 35( D) mm Weight : 300g approx. Include : Sound Level Meter Battery 4 x AA 1, 5Volt Windscreen ball Operation Manual Carrying Case