PCE 428 Class 2 Decibel Sound Meter (25 - 136dB)

• Measures from 25 - 136 db(A) at a frequency of 20 Hz - 12.5 kHz
• Portable
• High-accuracy
• 1/1 octave band filter (optional 1/3 octave band filter upgrade)

The PCE 428 Class 2 Decibel Sound Meter (25 - 136dB) meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable, high-accuracy sound level meter has a large easy-to-read light-up LCD screen that displays the sound pressure level (SPL) numerically & graphically in real time. Thanks to octave band filtering, even the slightest difference in frequency is detected.

This handheld sound meter also functions as a data logger, recording measurements at an adjustable interval from 1 s - 24 h and storing the recorded measurement data to a micro SD card. The card can be removed from the meter and inserted into a PC. Alternatively, the decibel meter can be connected directly to a PC via USB. The provided PC-compatible software allows for quick and easy data analysis.

This device measures from 25 - 136 db(A) at a frequency of 20 Hz - 12.5 kHz. The meter features A, B, C and Z frequency weightings as well as fast, slow and impulse time weightings. The PCE-428 decibel meter is commonly used by professionals to ensure compliance with environmental noise regulations and workplace noise permissible exposure limits.

Features:

•  Accuracy class 2
• A, B, C and Z frequency weightings
• Fast, slow and impulse time weightings
• 1/1 octave band filter (optional 1/3 octave band filter upgrade)
• Adjustable data-recording interval from 1 s ... 24 h
• Real-time numerical and graphical LCD display
• Adjustable alarm

Specifications:

• 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

What's included:

• 1 x Environmental Meter PCE-428
• 1 x Microphone
• 1 x Wind noise suppressor (foam ball)
• 1 x USB cable
• 1 x PC software is a free download
• 1 x Power supply
• 1 x User manual
• 1 x Carrying case

Note: This meter comes standard with a 1/1 octave band filter. An optional 1/3 octave band filter upgrade is available for an additional fee

 PCE-428 User Manual

 PCE-428 Data Sheet

Need more info? Please contact us or go to the PCE Resource Center.