NPL-100 Acoustic Non-Metal Water Pipe Locator (Acoustic Technology)

Made in: Japan 
Manufacturer : FUJI TECOM Inc.
The NPL-100 is a sophisticated instrument for locating non-metallic water pipelines.
Using a vibrator attached to the outlet of a fire hydrant or to pipe fittings, the NPL-100 sends a sound wave through the water in the pipe.
This sound wave is detected by the NPL-100's sensitive ground microphone (receiver), permitting accurate tracking of the pipeline. The vibrator's signal intensity and frequency can be remotely controlled from the receiver to find the optimum resonance of the pipeline.
NPL-100 has the automatic adjustment function for tuning in a resonance frequency of each pipe.

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