Features:

  • AR844 sound level meter can connect with the PC through USB, provides data record downloading, read-time data sampling analysis, and printing graph & data function.
  • Auto power off 10 minute；Calendar function
  • Both AC and PWM signal output are available；4700 data record function
  • Accuracy up to +-1.5dB；Measurement range is 30 to 130dB
  • High /low speed rate selection