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Specification
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
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
Voltage output: AC 5V RMS; DC 10 mV/db
Alarm: Adjustable
Power supply
4 x 1.5V AA Batteries
12V / 1 A Power plug
5V / 1 A USB
Battery life: Min. 10 h continuous use
Dimensions: 70 x 300 x 36 mm / 2.76 x 11.81 x 1.42 in (W x H x D)
Weight: Approx. 620 g / 1.4 lbs incl. batteries
Delivery contents
1 x PCE-428 class 2 data-logging noise meter / sound meter
1 x Microphone
1 x Wind noise suppressor (foam ball)
1 x USB cable
1 x PC software
1 x Power supply
1 x Factory calibration certificate according to ISO 9001
1 x User manual
1 x Carrying case
