Accurate Detection
... Compact,rugged and submersible dataloggers with 5 year internal batteries and optional GSM/SMS or GPRS communication. Available options: digital ...
Gutermann
... AquaScope Listening Stick, Aquascan Correlator, AquaScan Water Leak Noise Correlator, ZoneScan Leak Noise Loggers, Gutterman Water Leak Detectors, ...