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Hire of Weatherproof Outdoor Noise Kit

outdoor noise monitoring

Designed for the unattended monitoring of noise in poor weather conditions, this hire kit consists of a Class 1 sound level meter in a protective case with an outdoor microphone.

  • Environmental Noise Monitoring
  • BS4142 Mixed Residential and Industrial Areas
  • Construction Site Boundary Noise

Main features:

  • Portable, easily moved between locations
  • Up to 1 week unattended monitoring
  • Threshold triggered audio recording

Rental Kit Includes

  • Sound Level Meter, Calibrator and Calibration Certificates
  • Outdoor Microphone with 5m Cable and Tripod
  • Software and Download Cable
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Overview

This Outdoor Noise Measurement Kit contains a Class 1 Data Logging Sound Level Meter (the CEL633C1), fitted with real-time Octave and 1/3 Octave Band Filters. It includes the usual environmental noise measurement parameters, such as periodic LAeq, LAMax and statistical Ln values. Multiple timers make it easy to carry out automatically repeating measurements, as required by most environmental noise standards.

The sound level meter is enclosed in a strong, weatherproof case, protected in custom foam. A heavy duty battery inside the case will keep the meter running for well over seven days.

The microphone is also protected against the weather. It is mounted on a tripod and connected to the outside of the case via a weatherproof connector.

outdoor noise case

Environmental Noise Surveys

The WPK-633C1, with its top specification sound level meter, is intended for all short term environmental noise monitoring applications.

  • Environmental Noise Surveys
  • Community Noise Assessments
  • BS4142 Mixed Residential and Industrial Areas
  • Construction Site
  • Boundary Noise Monitoring

Hand-Held Use

The CEL633C1 Sound Level Meter can be easily removed from the case. We provide it with a preamplifier that plugs into the top to enable it to be used as a stand alone hand-held meter.

Used in this way you can make additional environmental noise measurements without the need for the case and outdoor microphone. The meter still makes the same measurements and has a battery life of around 15 hours.

Preparation

The kit is supplied with the meter already installed in the case and with the battery fully charged.

  • Mount microphone on tripod.
  • Connect microphone cable.
  • Switch meter on and set timers if needed.
  • Check calibration (calibrator included).
  • Start the measurement.

Monitoring

The outdoor noise kit is designed to run unattended for at least seven days. The battery should last if fully charged and the memory is more than adequate to store all the noise measurements.

When finished, just press the Stop key and switch the meter off.

Results

The noise measurements can be viewed on the meter's display but it is usually more convenient to download them to a computer. You can use the Insight software that is included in the kit or, if you just want the measurements in Excel or similar software, you can use a small program called CasellaDrive to extract them as simple CSV files.

The WPK-633C1 contains the CEL633C1 Sound Level Meter, which has the following specifications:

StandardsIEC61672 Class 1, ANSI S1.43 Type 1
IEC60651 & IEC60804 Type 1
Meas. Ranges20 to 140 dB (single range), 143 dB Peak
Time WeightingsFast, Slow, Impulse
Freq. WeightingsA, C and Z (simultaneous)
Sound LevelLXY, LXYMax, LXYMin
IntegratedLXeq, Lavg, LAE
PeakLXPeak
Octave16Hz to 16kHz
1/3 Octave12.5Hz to 20kHz
Statistical5 x Ln values

X is frequency weighting A, C or Z and Y is time weighting Fast, Slow or Impulse

 

Dimensions72 x 229 x 31mm, 295g
Tripod Mount1/4" socket
Battery Power3 x AA Alkaline for > 15 hours
External Power9 to 14V DC at 250mA via 2.1mm connector
EnvironmentRH 5 to 90% non condensing
Temperature: 0 to 40°C
 
Output to PCUSB
Memory> 1 year when set to 1 second logging
TimersDuration 1s to 24h. Six timers.
Audio Record8kHz sampling for 60 hours recording