Kit PCE-428-KIT Class 2 Data-Logging Noise Meter / Sound Meter Kit

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Class 2 Data-Logging Noise Meter / Sound Meter Kit PCE-428-KIT - Đo Độ Ồn, Âm Thanh

Meter specifications (PCE-428)
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
Measuring functions	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 1.5 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
Acoustic calibrator specifications (PCE-SC 42)
Frequency	1 kHz / ± 0.1 %
Sound pressure levels	94 decibels (dB) and 114 dB
Accuracy	± 0.3 dB (at 20 °C / 68 °F and 760 mm Hg / 101325 Pa)
Microphone	1/2 " and 1 " microphone opening
Standard	IEC 942 class 2
Power supply	1 x 9 V battery (block, NEDA 1604, Burgess 2U6 or similar)
Battery life	Approx. 100 hours
Environmental conditions	-10 ... +50 °C / +14 ... +122 °F
Storage conditions	-40 ... +65 °C / -40 ... +149 °F (remove battery beforehand)
Temperature coefficient	0 ... 0.01 dB / °C
Altitude effect	Reduction of approx. 0.1 dB per altitude gain from 2000 ft from the sea level up to 12000 ft or comparable changes of the atmospheric pressure (approx. at every decrease of 50 mm Hg)
Dimensions	Approx. 48 x 48 x 138 mm / 1.89 x 1.89 x 5.43"
Weight	Approx. 250 g / 0.56 lb