Sonus Weatherproof Outdoor Noise Monitoring System Rental

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The Castle Sonus L Weatherproof Outdoor Noise Logging System compiles everything you need to carry out short-term and long-term Environmental Noise measurements. Whether you're measuring for Environmental Noise Surveys, or taking short/medium term measurements, the Castle Sonus Weatherproof System provides all that's necessary at a very competitive price. As standard the System comes with a 140 hour battery, with an additional option of an external power supply, the Castle Weatherproof Power Supply. which enables over 40 days of running time for those long-term monitoring requirements.

Alternatively, call 01723 584250 to arrange your booking


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1: Choose a Start Date

2: Choose Rental Duration

  • 1 Week
    £249.00 Selected
  • 2 Weeks
    £448.00 Selected
  • 3 Weeks
    £635.00 Selected
  • 4 Weeks (One free)
    £635.00 Selected
  • Short term
    £149.00 Selected

For longer durations please contact us

3: Optional Extras

Add Damage Waiver +10% of total fee
Add Return Carriage Via Courier - £20


Total Price
Outdoor Noise Monitoring Package
Noise Monitoring with Tripod Long Term Noise Monitoring System Outdoor Noise Monitoring Package Outdoor Noise Monitoring System

How do I book?

Booking is easy, choose your Rental Period, Start Date and any available accessories. After you click 'Add to Cart' and complete the checkout process we'll check your product is available and contact you to confirm your order.

The Damage Waiver is calculated at 10% of the cost of rental.

Return Carriage means we will arrange collection and return to us for £20.

Note that the Price shown here will reflect the instrument and Rental Period. Return Carriage and Damage Waiver costs will be added on the Cart and Checkout Pages.

Brand Castle Group
Application Environmental Noise, Long Term Noise Monitoring
Features Audio Events Recording, Dose, Data Logging, Weatherproof
Class Class 1
Weightings A, C
Measurement Parameters Leq
Available Outside the UK? Yes

Weatherproof Noise Monitoring System - Hire it Today!

Due to the fragility of microphones, outdoor noise measurements can be difficult and often impractical in adverse weather conditions. Castle have developed this outdoor Noise Noise Logging System as an ideal solution to anyone who needs a powerful yet small Environmental Sound Meter System capable of being used both indoors and outdoors.


  • Over 170 hours run time and 15 hour charge time for internal batteries
  • Tough, weatherproof case withstanding 900Kg loads
  • External weatherproof connectors
  • 'Hot-swap' for battery replacement in the field without turning off the sound meter
  • Powerful noise analysis software included
  • Security kit available

The SONUS Sound Level Meter has proved itself to be a powerful meter and with the weatherproof sound meter enclosure and microphone housing it is now possible to make environmental noise assessments in an affordable system. At less than 5Kg it is also one of the world's lightest and portable environmental noise meter systems. The SONUS Weatherproof Case has been designed to work with the SONUS range of sound meters, especially the full logging GA116L meter and the environmental model, the GA116E. The environmental noise meter system is suited to boundary noise measurements, night time noise levels, noisy neighbour assessments and other general consultancy work. The environmental noise meter system operated from an internal battery and can last for up to 170 hours continuous measurement and it's possible to hot swap the battery without stopping the measurements. The noise meter and battery reside in the case while weatherproof connectors on the outside connect to the microphone and signal-out. The microphone is housed in a specially developed housing designed to protect the microphone from the elements. The kit is completed with a dual level acoustic calibrator to ensure your meter is operating correctly and our powerful dBdataPro Noise Analysis Software so you can download the data from the meter.

Technical Specification

Castle GA607 Dual Level Class 1 Sound Meter Calibrator

Applicable Standards IEC60942:2003 Sound Calibrators, Class 1/C
Output 94dB or 104dB relative to 20µPa
Nominal Sound Pressure level at 101.3kPa (760mm Hg) 23° & 50%RH
Tolerance ± 0.3dB
Harmonic Distortion < 3%
Temperature Range -10°C to 50°C
Batteries 2 x 3V CR2032 (coin cell)
Life: Approx. 70 Hours
Dimensions Cavity Diameter: 1/2" microphone standard
Length: 140mm
Diameter: 51mm
Weight: 230g

GA690 Barometer

Measuring Range 0 to 1300mbar (0 to 975mmHg)
Resolution 1mbar, 1mmHg
Accuracy ±0.25% FS hysteresis and linearity
Battery 9V Alkaline type 6LR61 (PP3)
Battery Life Greater than 2500 hours
Dimensions 106 x 67 x 30mm (LxWxH)
Weight 135g including battery

What's in the Box

Kit also includes:

  • GA607 Dual Level Acoustic Calibrator
  • GA690 Barometer
  • KA020 Weatherproof Case for SONUS sound meters
  • ZL2094-03 3m weatherproof cable for KA020 and SONUS sound meters
  • MW402 Weatherproof Microphone Housing for SONUS range
  • PC007 dBdataPro Noise Analysis Software

Downloads and Datasheets

Castle Sonus GA116L Class 1 Logging Sound Level Meter


GA116L SONUS Sound Meters


Sonus Operating Manual GA116L and GA216L Quick Start Guide

Castle GA607 Dual Level Class 1 Sound Meter Calibrator

GA607 Class 1 Calibrator Datasheet

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