SOUND LEVEL METER - AR-814 Designed according to IEC651, Type 2, ANSI S1.4 Type 2 CE and ISO 9001 Measuring Range: 30~ 130dBA AC/ DC Output Auto Power Shut Off Low Battery Display Over Range Indication Sound Measuring Level Selection Max Hold Function Designed to meet the measurement of Safety Engineer, Health, Industrial Safety Officer and Sound Quality Control in various environment AC DC Signed output for frekwency analyzer level recorder, FFT analyzer, graphic recorder, etc Measuring Range : 30~ 130dB A , ± 1, 5 dB : 35~ 130dB C Level Range Control Switch : 30dB to 80dB : 50dB to 100dB : 60dB to 110dB : 80dB to 130dB Frequency Range : 31.5HZ-8.5KHZ Linearity Range : 50dB Digit & Resolution : 5Digits & 0.1dB Bar Graph : 50dB scale at 1dB step monitoring Time Weighting Selection : Fast for normal measurement Slow for checking AVERAGE level of fluctuating noise Frequency Weighting : A weighting for general sound level measurement C weighting for checking low frequency content of noise Microphone : 1/ 2 Inch Electret Condenser Microphone Sampling Frequency : 2 times/ sec Power Source : 9 Volt alkaline battery or 9Volt DC adaptor Dimensions : 265( L) × 72( W) × 35( D) mm Weight : 300g approx. Include : Sound Level Meter Battery 1 x 9 Volt alkaline
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