AZ-8921/8922 Sound Level Meter
- DIGITAL DISPLAY WITH ANALOG GRAPH!
- BACKGROUND NOISE ABSORBER ! MAX / MIN RECORD, MAX HOLD !
- RS232 INTERFACE !
- MEETS IEC 651, TYPE 2 CLASS !
Range:
| 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 |
| Auto range :30-130dB. |
| Big LCD :42x64mm. |
| Measurement level range :6 ranges in 10-dB steps:30-80dB, 40-90dB, 50-100dB, 60-110dB, 70-120dB, 80-130dB. |
| Accuracy :±1.5dB ( under reference condition ) |
| Digital display :3-1/2 dight LCD, 0.1dB resolution updated0.5seconds. |
| Analog output :AC:0.707vrms( at full scale )/DC:10mV/ dB |
| Measurement frequency range : 31.5Hz-8KHz |
| Measurement level A weighting : |
30dB~130dB. |
| Measurement level C weighting : |
35dB~130dB. |
| Operation temperature : |
0~50℃,10~90%RH |
| Storage temperature : |
-20~60℃ |
| Meter includes hard ABS case, battery, manual. |
| Battery life : |
20 hours typical (9V) |
| Dimensions (meter WxHxT) : |
80 x 256 x 38mm |
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