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

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

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.

Highlights

• 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)

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

Manual

 PCE-428 User Manual

 PCE-428 Data Sheet

What Our Experts Think

• Highly Accurate Measurements: The PCE 428 meets stringent international standards (IEC and ANSI), ensuring reliable and accurate sound level measurements across a broad frequency range (25 - 136 dB).

• Real-Time Display: The device’s large, illuminated LCD screen makes it easy to read and interpret sound levels both numerically and graphically, offering real-time data analysis.

• Sensitive to Frequency Variations: With octave band filtering, the PCE 428 detects even the smallest differences in frequency, making it ideal for precision acoustic measurements.

• Portable and Convenient: Its compact design and portability allow for easy use in a variety of environments, from industrial sites to educational and research settings.

• Versatile Use: Whether you're conducting noise assessments, environmental noise monitoring, or working in acoustics research, this meter provides the precision and features you need.

Q&A

Q: What is the measurement range of the PCE-428 Sound Meter?
A: The PCE-428 has a measurement range of 25 to 136 decibels (dB), making it suitable for a wide range of noise level monitoring applications.

Q: Does the PCE-428 meet any industry standards?
A: Yes, the PCE-428 complies with multiple industry standards, including IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983, and ANSI S1.43-1997.

Q: What makes the display of the PCE-428 sound meter user-friendly?
A: The PCE-428 features a large, easy-to-read light-up LCD screen that displays the sound pressure level (SPL) both numerically and graphically in real-time, ensuring users can easily interpret the results.

Q: Can the PCE-428 detect variations in different frequencies?
A: Yes, the PCE-428 is equipped with octave band filtering, which allows it to detect even the slightest differences in frequency.

Q: What applications is the PCE-428 Sound Meter ideal for?
A: It is perfect for noise level monitoring in environments such as workplaces, construction sites, environmental noise measurement, and audio installations.

Q: Is the PCE-428 a portable device?
A: Yes, the PCE-428 is designed to be portable, allowing for convenient use in various settings, from field measurements to laboratory analysis.

Maintenance Tips

• Regular Cleaning: Use a soft, lint-free cloth to clean the device, especially the microphone and display, to ensure accurate readings.

• Calibration: Calibrate the sound meter regularly to maintain its high accuracy in measuring sound pressure levels, following the manufacturer’s instructions.

• Proper Storage: Store in a dry, temperature-controlled environment, avoiding exposure to moisture and extreme temperatures.

• Microphone Care: Protect the microphone from dust, moisture, or physical damage to maintain precise frequency detection.

• Battery Management: Fully charge the device before storing it long-term and avoid letting the battery completely discharge.

• Firmware Updates: Ensure that the device has the latest firmware to maintain optimal performance and functionality.