8922 Sound Level Meter

DIGITAL DISPLAY WITH ANALOG GRAPH! BACKGROUND NOISE ABSORBER ! MAX / MIN RECORD, MAX HOLD ! RS232 INTERFACE ! MEETS IEC 651, TYPE 2 CLASS ! Feature Meets IEC 651; ANSI S1.4, type2 standard Quasi-Analog bar indicator: 1dB display steps, 50dB display range, updated every 50ms. Measurement level range features 6 ranges Background noise absorber mode filters ambient sounds Fast( 125 msec.) or Slow( 1 sec.) respone 3 times Record Max / Min. & Maximum Hold function A / C Weighting selectionable Microphone : 6mm( Dia.) electric condenser type Backlight for use in dark areas ( Model 8922) Low battery indicator Optional RS232 software ( Disk & PC cable) . Serial formt: 2400Baud rate, 1 Stop bit, 8 Data bits. N: xxx, xdB Monitor the sound levels from traffic noise, alarm systems and workplace machinery Multi-Freguency calibration to ensure quality stable