Measuring range |
22 ... 136 db(A) |
Accuracy |
Class 1 |
Frequency range |
3 Hz ... 20 kHz |
Standards |
GB/T 3785.1-2010 |
Frequency analysis |
1/1 Octave band filter: 8 Hz ... 16 kHz |
Microphone |
1/2" |
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 |
|
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) |
AD converter |
24 Bit |
AD Sample rate |
Standard: 48 kHz |
Measuring display |
Numerical |
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) |
Voltage output |
AC 5V RMS |
Alarm |
Adjustable |
Power supply |
4 x 1.5V AA Batteries |
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 |