Aquaphon A-100 Ground Microphone Kits (Leak Listeners)
Electro-acoustic water leak detection
When a pressurized pipeline develops a leak, water flows through it into the surrounding soil at high speed. As a consequence of this:
The importance of listening
Combined with the advantages offered by the graphics of the integral LCD, the human ear remains an important tool for assessing incoming noises. Practice enables noises of different types and tones to be differentiated and actual leak noise to be distinguished from extraneous noise. To assist the operator the AQUAPHON® A 100 is supplied with headphones that provide outstanding sound reproduction.
Preliminary location using the test rod
In metallic pipes structure-borne sound is transmitted over particularly long distances. This makes the test rod very effective for preliminary location.
Location with the ground microphone
Structure-borne sound is not transmitted very well by
non-metallic pipe materials.
The hearing protection function
When developing the AQUAPHON® A 100 an important consideration was providing the operator with protection from accidental exposure to high noise levels. With other instruments an uncomfortable sound level can be heard when the test rod slips from the contact point, or the headphones are activated too soon, or not soon enough, or something falls close to the ground microphone.
A novel technology makes this danger a thing of the past. The incoming noise is constantly analyzed. When a very loud noise is picked up the sound in the headphones is immediately muffled. If the noises increase even further, the headphones finally are switched off completely.
Once this noise source has ceased the AQUAPHON® A 100 automatically reverts to normal. The hearing-protection function can be adjusted to suit the wearer's comfort in any given environment.
The filter-optimization function
The filter-optimization function of the
A 100 allows it to detect a leak even when the
sound is very muffled.
AQUAPHON® A 100 System Components
(Note: Components are kit dependent)
The Ground microphone BO-4
is especially suitable for paved surfaces.
The Ground microphone 3P-4 is for use on unpaved surfaces. A ground spike (supplied) can be screwed on for use in soft ground. Its tripod foot ensures stable contact at all times.
Easy-to-maintain microphones: Cables are wearing parts. Therefore all microphone cables have been designed to be replaced by the field operator. This means low service costs and less down time.
Leak detection within structures can involve working in some tight locations. To carry out this work we provide the small, light, microphone EM 30 complete with short probe tip. Also available: Magnet, tripod and compact case.
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