Sound Level Data Logger PCE-428
Sound Level Data Logger PCE-428
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Sound Level Data Logger PCE-428

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Key item features



- Measuring range: 25 ... 136 db(A)
- Accuracy: Class 2
- Frequency range: 20 Hz ... 12.5 kHz

- Standards:
GB/T 3785.1-2010
GB/T 3785.2-2010
IEC 60651:1979
IEC 60804:2000
IEC 61672-1:2013
ANSI S1.4-1983
ANSI S1.43-1997


- Frequency analysis:
1/1 Octave band filter: 20 Hz ... 8 kHz
1/3 Octave band filter: 20 Hz ... 12.5 kHz


- Microphone: 1/2"
- Microphone Class: 2
- Sensitivity: 40 mV/PA
- Frequency range: 20 Hz ... 12.5 kHz
- Connection: TNC
- Power supply: ICCP Standard
- Data-logging interval: 1 s ... 24 h (adjustable)

- Measuring functions: LXY (SPL), LXeq, LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
X = Frequency weighting: A, B, C, Z
Y = Time weighting: F, S, I
N = Statistics in %: 1 ... 99%

- Frequency weightings: A, B, C, Z
- Time weightings: Fast (F) 125ms, Slow (S) 1 sec, Impulse (I) 35 ms

- Inherent noise
Microphone: 20 db(A), 26 db(C), 31 db(Z)
Electronics: 14 db(A), 19 db(C), 24 db(Z)
- AD converter: 24 Bit

- AD Sample rate
Standard: 48 kHz
LN Mode: 20 ms

- Measuring display:
Numerical Bar graph
Graphical


- Display: 160 x 160 pixel LCD with backlight
- Memory: 4 GB Micro SD card

- Interface:
USB (Memory readable via software or directly as mass storage)
RS-232


- Fast, slow and impulse time weightings
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)
- Adjustable data-recording interval from 1 s ... 24 h
- Real-time numerical and graphical LCD display
- Adjustable alarm
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