Measuring range

22 ... 136 db(A)

Accuracy

Class 1

Frequency range

3 Hz ... 20 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: 8 Hz ... 16 kHz
1/3 Octave band filter: 6.3 Hz ... 20 kHz

Microphone

1/2"
Microphone Class: 1
Sensitivity: 40 mV/PA
Frequency range: 3 Hz ... 20 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: 19 db(A), 25 db(C), 31 db(Z)
Electronics: 13 db(A), 17 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 1.5 V AA Batteries
12 V / 1 A Power plug
5 V / 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" (W x H x D)

Weight

Approx. 620 g / 1.4 lbs incl. batteries