• Microphone
    Professional microphone 
  • Vibrophone
    Highly sensitive Vibrophone
  • Filter
    Narrow band-pass filter


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Mobile microphone for fittings and ground-mounting with outstanding measurement characteristics for acoustic leak detection on pressurised water pipes.

General Specification
Housing: Impact-resistant ABS PA/Schulablend plastic housing
17.5 x 8.5 x 3.5 cm ergonomic shape for using with one hand
Operating temperature: -15 °C to +65 °C
Protection rating:


Display instrument:

LCD graphic display with 128 x 64 pixel

Frequency response: 20 Hz to 8000 Hz
Power supply: 4x1.5V Batteries
Operating time ~30 to 50 hours
Certification: CE
EMV EN 61326-1
ETSI EN 300 328
EN 61010-1


TERRALOG is a ground-borne and structure-borne sound microphone.

On the one hand, leaks can be located on slide gate valves and hydrants via the pipe network and, on the other hand, through the use of the tripod, can be pinpointed on the surface of the ground. The different memory and filter functions enable exact detections.