Measuring range |
25 ... 136 db(A) |
Accuracy |
Class 2 |
Frequency range |
20 Hz ... 12.5 kHz |
Standards |
GB/T 3785.1-2010 |
Frequency analysis |
1/1 Octave band filter: 20 Hz ... 8 kHz |
Microphone |
1/2" microphone Class 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: 20 db(A), 26 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 |
Class 2 Sound Calibrator | PCE-SC 43 |
Sound pressure level | 94 dB, 104 dB, 114 dB |
Accuracy | ±0.4 dB |
Class | 2 |
Frequency | 1000 Hz for A, B, C and D frequency weighting |
Frequency accuracy | ±1.7 % |
Stabilization time | 10 seconds |
Total harmonic distortion | <3 % |
Environmental conditions | |
Temperature influences | <0.4 dB at 0 ... 40 °C / 32 ... 104 °F |
Humidity influences | 25 ... 90 % RH |
Atmospheric pressure | <0.1 dB at 65 ... 108 kPa |
Stability at <60 seconds | ±0.15 dB |
Stability after one year | ±0.35 dB |
(normal use) | |
Operating conditions | 0 ... 40 °C / 32 ... 104 °F, <25 ... 90 % RH, |
non-condensing | |
Storage conditions | -20 ... 50 °C / -4 ... 122 °F, <90 % RH, |
non-condensing | |
Automatic shutdown | after 20 minutes |
Power supply | 2 x 1.5 V AA batteries |
Battery life | ca. 50 hours |
Microphone size | 1/2 inch |
Dimensions | 60 x 130 x 37.5 mm / 2.3 x 5.1 x 1.4" |
Weight | 400 g / 14.1 oz |