Professional Sound Level Meter
Model : AZ-8921

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.) response 3 times
- Record Max / Min. & Maximum Hold function
- A / C Weighting selectable
- Microphone: 6mm (Dia.) electric condenser type
- Backlight for use in dark areas (Model 8922)
- Low battery indicator
- Optional RS232 software (Disk & PC cable)
- Serial format: 2400Baud rate, 1 Stop bit, 8 Data bits. N: xxx, xdB
- Monitor the sound levels from traffic noise, alarm systems and workplace machinery
- Multi-Frequency calibration to ensure quality stable

