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Noise dose meters
Here you will find industrial standard noise dose meters. With these portable noise dose meters you can carry out measurements quickly to gain control of a situation or to set the devices to take timed measurements. The noise dose meters is important for all industries
and our technical staff will advise you regarding our measuring instruments.

Here you can see noise dose meters from these companies:

Noise Dose Meters by PCE-InstrumentsNoise Dose Meters by Sauter GmbHNoise Dose Meters by Casella CEL Ltd.Noise Dose Meters by Synthax GmbH

At the following links you will find technical specifications for all our Noise dose meters:

   - PCE-222 Noise dose meters 
     (Includes internal sensors for sound, light, temperature and relative humidity)
Noise dose meters with internal sensors for sound, light, temperature and relative humidity.Noise Dose Meters by PCE-Instruments

- MicW i436 Noise Dose Meters 
  (Mini Microphone for iPhone/iPad and other
devices, max. 130 dB sound pressure)

Noise Dose Meters micW i436 for iPhone/iPadNoise Dose Meters by Synthax GmbH

PCE-EM 886 Noise dose meters Noise dose meters with sound, light, temperature and humidity sensors, multimeter function.
  (N
oise dose meters with sound, light, temperature, humidity sensors and multimeter function)

Noise dose meters with sound, light, temperature and humidity sensors, multimeter functionNoise Dose Meters by PCE-Instruments

- PCE-EM 882 Noise dose meters
  (Noise dose meters includes sound, light, temperature and humidity sensors)

Noise dose meters with sound, light, temperature and humidity sensors.Noise Dose Meters by PCE-Instruments

- PCE-999 Noise dose meters  
  (Standard industrial noise dose meters, accurate to ±1.5dB)

Standard industrial noise dose meters, accurate to ±1.5dBNoise Dose Meters by PCE-Instruments

- PCE-318 Noise dose meters
  (Measures from 26dB, accurate to ±1.5dB, analogue output)

Measures from 26dB, accurate to ±1.5dB, analogue outputNoise Dose Meters by PCE-Instruments

- PCE-322A Noise dose meters Noise dose meters similar to the PCE-999 but with internal memory.
  (Similar to the PCE-999 but with internal memory)

Similar to the PCE-999 but with internal memoryNoise Dose Meters by PCE-Instruments

- SU 130 LEQ- Noise Dose Meters
  (Noise Dose Meter for noise measurement in industry, small trade, service provider and private household)

Noise Dose Meter for noise measurement in industry, small trade, service provider and private householdNoise Dose Meters by Sauter GmbH

- CEL-244 series Noise dose meters 
  (Noise dose meters with many functions (LAF, Leq, etc.), USB cable and software, last digital technology) 
 

Noise dose meters with many functions (LAF, Leq, etc.), USB cable and software, last digital technology, robust)Noise Dose Meters by Casella CEL Ltd.

- CEL-620 series Noise dose meters 
  (Noise dose meters with internal data memory, hi-res colour screen, automatic calibration)

Noise dose meters similar to the PCE-322A, with Leq function.Noise Dose Meters by Casella CEL Ltd.

- CEL-350 series Noise dose meters
  (Noise dose meters with internal memory / interface cable and multiple functions complete software package)

Noise dose meters with internal memory / interface cable and multiple functions complete software package.Noise Dose Meters by Casella CEL Ltd.

- SLT series Noise dose meters
  (Noise dose meters with interface cable and multiple functions complete software package)

Noise dose meters with internal memory / interface cable and multiple functions complete software package. Noise Dose Meters by PCE-Instruments

- Noise dose meters for stationary use
  (Noise dose meters for monitoring equipment and standard signlas production)

Noise dose meters for monitoring equipment and standard signlas production.Noise Dose Meters by PCE-Instruments

Noise dose meters taking a measurement in the street with a noise dose meter.

Noise dose meters measuring the noise level during the course of a shift.

Taking a measurement in the street with a noise dose meter. Measuring the noise level during the course of a shift.

General information for Noise Dose Meters

We have compiled an informative list of the important points in taking measurements with Noise dose meters:

 Terms / Directives                    Operation / Use                 Noise in the workplace

 

Noise dose meters: A. A-weighting
The sensitivity of human hearing depends on the frequency. Low and high tones are perceived with less precision than the tones in between. In the measurement of noise or sound this is taken into account and the frequencies contained within the sound are valued differently with respect to the A-weighting curve.
Sound readings are taken in decibels (dB) (A). The A-weighting curve is used primarily in the environmental and industrial sectors; the B and C curves are used for louder sounds and are less frequently used. The noise dose meters most commonly used for these measurements are the PCE-999 and the PCE-322A.


Noise dose meters: D. Decibel
The decibel consists of one tenth of a bel (B). A bel is defined as a logarithm of the bahaviour of two readings of the same type. It is used for the measurement of sound levels although the actual sound output is determined in relation to a specified reference intensity
Abbreviation: dB.
Calculation: LP = 10 * log (P / P0) in dB
where
P = sound output
P0 = specified reference intensity (typically, 10 - 12 Watt)


Noise dose meters: E. Equivalent continuous noise level (Leq)
The equivalent continuous noise level is an energy mean of the noise level averaged over the measurement period (T) and often regarded as an average level.
Its also part of a sound level over a duration of time (X) that describes a noise with duration D has the same value as a noise that has half the duration (D / 2), but for this it has a sound level of 3dB ( = 10 * log 2) higher (to take this measurement you require the PCE-353 noise dose meter.)
The Leq is calculated in this way:

Leq = q/log2 * log(1/T ( 10(log2/q)* Li * ti)

Li = unique event level
T = period of measurement (for example: 16 hours),
ti = duration of the unique event, the maximum level can't be increased by more than 10dB,
q = equivalence parameter or division by two. Provides the change of level, that is equivalent to a constant level to duplicate or divide by two the effective time. Normally at international level  q=3, corresponding to the energy equivalence.

Regular measurment of chance occurances with constant intervals (example, 1/10 or 1/100 s) the value can be occur analogically to the number of the chance value
Leq = q/log2 * log(1/N ( 10 (log 2/q)* Li)
where the symbols are exactly the same as in the previous equation.


Noise dose meters: I. Infrasound
Frequencies below 16 Hz (Hz = 1/s)


Noise dose meters: L. Level day-evening-night (Lden)
According to the proposed directives of the EU relating to "Measurement and treatment of environmental noise" for the index of produced noise: day/evening/night level. The evening hours are 19:00 to 23:00 o'clock, with a supplement of 5dB and at night from 23:00 to 7:00 o'clock, with a supplement of 10dB (for example, the noise dose meter serie-1900.)


Level day-night (Ldn)
Day-night average sound level is the average noise level over a 24 hour period. With it, different measurements can be taken at different times of the day.


Noise dose meters: M. Maximum level
Maximum value is a sound event also denoted as a peak sound. In sound bursts, it's easier to determine various peak points and establish a maximum average or extract the L1 percentile level.

Measurement level
The measured sound level calculated over a period of time in a measurement of noise which has certain noise level specifications be means of noise level corrections.  For these measurements it is advised to use noise dose meters with the Frequency analysis function.
Abbreviatons: RL (rating level), during daytime (LT); during nightime (LN) (in dB).
In American English  it is also referred to as Ldn frequency.  

Noise dose meters: P. Peak level
Maximum sound level reached in a sound burst, also called maximum level. Because of possible loud oscillations, it provides a better description of the average maximum level or the L1 percentile level.

Noise dose meters: S. Solid bodies
Sound that spreads and impacts with solid bodies such as ceilings and walls of buildings. This has high importance in the noise produced by the construction sector.

Sound pressure level
The magnitude of sound pressure of a source (px) relative to a level reference sound pressure (p0). L = 20 log (px/p0). It is expressed in decibels (dB), almost always compared with frequency value, for example, dB (A).

Sound energy
The physical energy of a source of radiated sound.

Sound event level (SEL)

(also LAE). Parameter largely related to the LAeq. With it isolated events can be determined (for example, air transit or passing traffic). The sound energy is normalized to a temporary duration of 1 second.

Sound TA
Technical indication for the protection against noise
General prescription administered by the Federal emissions law 26.8.98. In ruido TA value directives are determined that should be followed precisely to protect the public from the harmful effects of noise. Ruido TA has advanced in force to be used for installations with authorisation and for those that don't require authorisation.

Noise dose meters: T. Temporary value
To be able to follow oscillating sound levels in display instruments that were previously constant, different temporary constants are introduced: Fast, Slow, Impulse. Normally the temporary value that you should employ is prescribed.
Sound bursts are considered to have a more imbalanced frequency than sounds events of longer durations. For this reason, it has to be taken into account in the reading, the duration of the bursts by way of a temporary value. (source: UBA).

Topseller in Measuring Instruments

You are currently at: Home / measuring instruments and test equipmentNoise dose meters

If you have any questions, call our offices on:
UK customers +44(0) 23 809 870 30
US customers (561) 320-9162

Below you will find an overview of the different product groups of measuring instruments

Absolute Humidity Meters
Accelerometers
Alert Meters
Air velocity meters
Analyzers (Colour)
Analyzers (Combustion)

Analyzers (Gas)
Analyzers (Lan)
Analyzers (Noise)
Analyzers (Oxygen)
Analyzers (Ozono)

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Balances
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Conductivity Meters
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Current detectors

Data Loggers
Differential Pressure Meters
Digital Multimeters
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Dose Meters (Noise)
Durometers

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Instruments (Environmental)

Impedance bridges
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Energy, Environmental, Gas, Gloss, Ground pH, PowerPressure, Radiation, Salt, Temperature)
Megohmmeters
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s
Modular signal Converters
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Multimeters
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Noise Meters
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Paper Moisture Meters
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Phase rotation meters
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Sound Level Meters
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Tachometers
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Thermal stress
Thermal Imaging Cameras
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Thermocouples
Thickness Meters
Torque meters

Ultrasonic Flow Meters

VDE tester
Vibration Meters
Video endoscopes
Voltage meters
Weather Stations
Wood (humidity)

Below you will find an overview of the different product groups of scales and balances

 Accurate scales
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Scales for people
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Weighing scales
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