Condition Monitoring Sound Level Meter PCE-428-Kit-N-ICA + Calibrator

Condition Monitoring Sound Level Meter PCE-428-Kit-N-ICA + Calibrator
Instrument Laboratorium

Deskripsi produk
DESCRIPTION
Condition Monitoring Sound Level Meter with Sound Calibrator incl. ISO Calibration Certificates
Class II sound level meter with octave filter or 1/3 octave filter for frequency analysis / USB interface / Data logger / A, B, C, Z evaluation / Fast, slow and pulse analysis
The condition monitoring sound level meter is an optimal sound level meter for measurements at workplaces, construction sites, in traffic, airports, etc. The sound level meter is a class 2 device and is equipped with an octave band frequency filter. The sound level meter can optionally be upgraded with a 1/3 octave band filter. In addition to the numerical display of the measured value, a graph can show the course of the sound level. The sound level meter has various frequency weightings such as A, B, C and Z. The sound meter can also display measurements with the time weightings Fast, Slow, Impulse and Peak. The measuring range of the sound level meter extends from 25 ... 136 dbA at a frequency of 20 Hz ... 12.5 kHz. 3 different measurement profiles can be stored in the sound level meter. Here the user can decide which parameters the sound level meter should record. For example, you can choose between Laeq, LcPeak, LaFmax, LaFMin, etc.

The peak hold function in the condition monitoring sound level meter makes it possible to record the maximum sound pressure level during long-term measurements and freeze it in the display. A 24 bit AD converter and the specially developed electronics of the sound level meter help to reduce the inherent noise to a very low level. Sampling the measurement signal with more than 48 kHz enables high accuracy and improved stability of the measurement value on the sound level meter.




HIGHLIGHTS
- 1/1 octave band included
- 1/3 octave band optional
- Accuracy class 2
- A, B, C & Z Frequency weighting
- Fast, Slow, Pulse and Peak time weighting
- Statistics function
- Display of the sound curve as a graph
- 3 measurement profiles adjustable
- Low inherent noise
- ICCP microphone 40 mV /PA
- Alarm level adjustable
- incl. calibrator and ISO calibration certificates

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
AD 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


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

DELIVERY SCOPE
1 x Condition Monitoring Sound Level Meter PCE-428
1 x 1/2" microphone class 2
1 x Wind noise suppressor (foam ball)
1 x USB interface cable
1 x Software (free download)
1 x Mains power adapter
1 x Carrying case
1 x Instruction manual
1 x Sound calibrator PCE-SC 43
1 x ISO calibration certificate for PCE-428
1 x ISO calibration certificate for PCE-SC 43