SOUND LEVEL METER AR 824

Designed according to IEC651, Type 2, ANSI S1.4 Type 2 CE and ISO 9001 Accuracy up to ± 1.5 dB Measuring Range: 30^ 130dBA High/ Low speed rate selection The Maximum value holding function Auto Power Shut Off 10 minutes Both AC and DC analogy signal output are available connecting to frequency analyzer or X-Y axis recorder for data statistical analysis Calender function 43690 data record function ( available to be expanded to 131070 for special use. May connect with the PC through USB, have functions of data record downloading, real-time data sampling analysis, and printing graph & data etc. Calibration sound source : 94 dB @ 1 KHz Measuring Range : 30~ 130dB A, 35 to 130 dB C Frequency Range : 31.5HZ-8.5KHZ Resolution : 0.1 dB Measuring Level : 30 to 80 dB