Compact Water Leak Detector
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The Sewerin Stethophon 04 is designed to be a fully-featured compact leak detector with a built-in microphone providing undistorted sound reproduction even when the noise is barely audible. The Stethophon 04 can be equipped with either wired headphones or with Sewerin SDR wireless headphones. When using Sewerin SDR headphones the Stethophon 04 and SDR headphones automatically connect when switched on. Sewerin SDR wireless digital signal processing technology does not allow acoustic interferences caused by hissing, re-amplifying, etc. Every Stethophon 04 provides for a user selectable audible filter function enabling users to listen to the sound frequency of the leak noise while filtering out nuisance noises.

Stethophon 04 kits can be purchased as “Basic”, “Standard” or “Complete”, with wired or Sewerin SDR wireless headphones.
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Extension rods for making contact on deep valves or meters
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Built-in contact microphone for leak surveys
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Ground microphone perfect for slab leaks
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Easy to use and affordable
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Six different models are available
Stethophon 04 
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Features

  • SDR Wireless headphones (certain models)
  • External ground microphone (certain models)
  • Numerical display of minimum noise level (0-1000)
  • 8 filter levels
  • Hearing protection function
  • Minimum operating time 8 hours
  • Lightweight packaging
  • Compact design
  • Hard carry case
Models (wired) 
Stethophon 04 Basic (wired)

Stethophon 04
Headphones (wired)
Probe tip
Battery charger
Carry case
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Stethophon 04 Standard (wired)

Stethophon 04
Headphones (wired)
Ground microphone (EM35)
Probe tip
Battery charger
Carry case
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Stethophon 04 Complete (wired)

Stethophon 04
Headphones (wired)
Ground microphone (EM35)
Probe tip
Battery charger
Carry case
46” Long Test Rod
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SDR Models (wireless) 
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Stethophon 04 SDR Basic (wireless)

Stethophon 04
F8 SDR Headphones (wireless)
Probe tip
Battery charger
Carry case
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Stethophon 04 SDR Standard (wireless)

Stethophon 04
F8 SDR Headphones (wireless)
Ground microphone (EM35)
Probe tip
Battery charger
Carry case
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Stethophon 04 SDR Complete (wireless)

Stethophon 04
F8 SDR Headphones (wireless)
Ground microphone (EM35)
Probe tip
Battery charger
Carry case
46” Long Test Rod
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Stethophon 04 Leak Detector