PCE 428 クラス2データロギング騒音メーター/音響メーター証明書付き

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

Manual