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The data-logging noise dose meter is used to determine volume. The PCE-NDL 10 data-logging noise dose meter is a handy measuring device that meets the highest requirements. In order to evaluate the measured data in the best possible way, it is possible to use the internal measurement data memory on the noise dosimeter. In addition, the data-logging noise dose meter has an SD card slot that enables the use of an SD card as an additional storage medium.
- Measuring range: SPL: Auto 30 ... 130 dB
- Resolution: 0.1 dB
- Low sampling rate
- Automatic or manual storage
- Selectable storage interval
- Backlit LC display
- Dose measurement or SPL measurement
The data-logging Sound Dose Meter is used to determine volume. The PCE-NDL 10 data-logging Sound Dose Meter is a handy measuring device that meets the highest requirements. In order to evaluate the measured data in the best possible way, it is possible to use the internal measurement data memory on the noise dosimeter. In addition, the data-logging Sound Dose Meter has an SD card slot that enables the use of an SD card as an additional storage medium.
- Measuring range: SPL: Auto 30 ... 130 dB
- Resolution: 0.1 dB
- Low sampling rate
- Automatic or manual storage
- Selectable storage interval
- Backlit LC display
- Dose measurement or SPL measurement
PCE-428 is a class 2 data-logging noise dose meter that 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 illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time.
- Measuring range: 25 ... 136 db(A)
- A, B, C and Z frequency weightings
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- Adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)
PCE-428 is a class 2 data logging noise dose meter that 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 noise dose meter has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The noise dose meter calculates the equivalent continuous sound level Leq (LXeq).
- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)
- incl. ISO Calibration Certificate
PCE-430 is a class 1 data-logging noise dose meter that 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 class 1 data-logging noise dose meter has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time.
- Measuring range: 22 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- Adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)
- Includes ISO calibration certificate
The noise dose meter PCE-MSM 4 has features that you will only find in other more expensive devices. The noise dose meter in a slim design is ideal for mobile measurements of sound.
- Automatic range: 30 ... 130 dB
- Manual range: 30 ... 80 / 50 ... 100 / 80 ... 130 dB
- Resolution: 0.1 dB
- Accuracy: ± 1.4 dB
- Frequency range: 31.5 Hz ... 8 kHz
The outdoor noise dose meter PCE-428-EKIT, from the field of environmental measurement technology, is an optimal noise dose meter for measurements at workplaces, construction sites, in traffic, airports, etc. The outdoor noise dose meter is a class 2 device and is equipped with an octave band frequency filter. Optionally, the outdoor noise dose meter PCE-428-EKIT can be upgraded with a 1/3 octave band filter. The additional kit for outdoor sound measurement makes it possible to measure outdoor noise with a noise dose meter over a long period of time, even in the rain.
- Accuracy class 2
- A, B, C & Z frequency rating
- Fast, Slow, Pulse and Peak time
weighting
- Statistics function
- 1/1 octave band included
- 1/3 octave band optional
- incl. outdoor noise level meter kit PCE-4xx-EKIT
- Outdoor measurement of sound and noise
The class 2 outdoor noise dose meter PCE-428-EKIT-ICA, from the field of environmental measurement technology, is an optimal sound level meter for measurements at workplaces, construction sites, in traffic, airports, etc. The outdoor noise dose meter is equipped with an octave band frequency filter. Optionally, the outdoor noise dose meter can be upgraded with a 1/3 octave band filter. The additional kit for outdoor sound measurement makes it possible to measure outdoor noise with a noise dose meter over a long period of time, even in the rain.
- Accuracy class 2
- A, B, C & Z frequency rating
- Fast, Slow, Pulse and Peak time weighting
- Statistics function
- 1/1 octave band included
- 1/3 octave band optional
- incl. outdoor noise level meter kit PCE-4xx-EKIT
- Outdoor measurement of sound and noise
- incl. ISO calibration certificate
"The dose makes the poison." This summary of Paracelsus' knowledge from the 16th century does not only apply to substances that are absorbed through food, breathing or the skin. It also applies to various types of radiation that affect the body. It has been known for decades that X-rays, radioactive radiation and excessive noise exposure cause permanent damage to health.
The danger of hearing damage does not only exist at very high sound levels. There is also a risk of permanent hearing impairment if noise levels above a certain level are applied for too long. 
The cause of noise from the environment or at the workplace often cannot be directly influenced by those affected by the noise. However, if the noise cannot be reduced at the source, it is almost always possible to reduce the exposure through appropriate soundproofing measures or with the help of the personal hearing protection. If the level of the noise cannot be reduced, the duration of the noise exposure should be reduced.
Employers are obliged to protect their employees from health hazards at the workplace. Noise can be perceived, but its effect cannot be objectively assessed without auxiliary tools. Therefore, methods and devices for noise measurement and assessment have been developed. Noise dosimeters determine and store the sound exposure over defined periods of time and evaluate the recorded data according to the defined criteria.
For continuous noise levels and peak noise levels, certain limit and threshold values have been defined based on the evaluation of investigations. Before starting the measurements, care must be taken to ensure that the appropriate criteria for the regulation to be applied are set in the noise dosimeter. If the limit values are reached or exceeded, protective measures must be implemented and the employees informed.
Here is a table with important regulations and limit values for noise dose in the workplace:
|
|
EU |
UK |
USA |
|
Regulation
|
DIRECTIVE 2003/10/EC |
The Control of Noise at Work |
The National Institute for Occupational Safety and Health (NIOSH) |
|
Lower trigger value |
LEP,d / LEX,8h
/ LEP,w = 80 dB(A) |
LEP,d / LEX,8h
/ LEP,w 80 dB(A) |
OSHA 80 dB (A) |
|
Lower trigger level |
LCpeak = 135 dB(C) |
LCpeak 135 dB(C) |
|
|
Upper trigger value |
LEP,d / LEX,8h
/ LEP,w = 85 dB(A) |
LEP,d / LEX,8h
/ LEP,w 85 dB(A) |
OSHA 85 dB (A) |
|
Upper trigger level |
LCpeak = 137 dB(C) |
LCpeak 137 dB(C) |
|
|
Limit value |
LEP,d / LEX,8h
/ LEP,w = 87dB(A) |
LEP,d / LEX,8h
/ LEP,w 87dB(A) |
NIOSH REL
85dB (A) = 100 % |
|
Limit value |
LCpeak = 140 dB(C) |
LCpeak 140 dB(C) |
OSHA SPLpeak 140 dB(A) |
With a noise dosimeter, the noise exposure of an employee in the workplace can be determined without much effort. For this purpose, the dosimeter is usually attached to work clothing or a helmet as close to the ear as possible and worn during the working hours to be assessed. At the end of the shift, the data can be read out and used as a basis for the decisions on hearing protection. Some noise dosimeters display the determined values already during the measurement. This gives the user the possibility to react immediately in case of high exposure.
