Underwater Hydrophone HJ-8-5/14/350 type low frequency piezoelectric detector Fast detailed description: In order to make up for the general piezoelectric detector in the low frequency (2-10HZ) cannot be ... Read More
Underwater Hydrophone HJ-8-2/10/650 type low frequency piezoelectric detector Fast detailed description: In order to make up for the general piezoelectric detector in the low frequency (2-10HZ) cannot be ... Read More