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Features:
- Meets IEC 651 ; ANSI S1.4 , type 2 standard.
- 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.
- Microphon : 6 mm(Dia) electric condenser type.
- Blacklight for use dark areas (Model 8922).
- Low battery indicatior.
- Optional RS232 software (Disk & PC cable)
- Serial formt : 2400 Baud rate, 1 Stop bit, 8 Data bits. N: xxx,xdB
- Quasi-Analog bar indicator : 1dB display steps, 50dB display range, updated every 50 dB
- Monitor the sound levels from traffic noise, alarm systems and workplace machinery,
- Multi-Frequency calibration to ensure quality stable.
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Specifications:
Specification. |
Model 8921 |
Auto range |
30-130 dB. |
Big LCD |
42x64 mm |
Measurement level range |
6 ranges in 10-dB steps:30-80dB, 40-90dB, 50-100dB, 60-110dB, 70-120dB, 80-130 dB. |
Accuracy |
1.5 dB (under reference condition) |
Digital |
3-1/2 dight LCD , 0.1 dB resolution , display : updated 0.5 seconds. Analog : AC:0.707 vrms(at full scale) |
Measurement level A
Weighting : |
30dB ~ 130 dB. |
Measurement level C
Weighting : |
35 dB ~ 130 dB. |
Operation temperature |
0~50RJ , 10~90%RH |
Storage temperature |
-20~60RJ |
Accessory |
Hard ABS case, battery, manual |
Battery life |
20 hours typical (9V) |
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Download file pdf az8921 