Handheld Sonar Detector

The handheld sonar equipment is a portable and combined sonar system, consisting of two sonar transmitters and sonar receivers. It is composed of two parts, which can realize the operation of transmitting and receiving. Sonar transmitter can locate underwater objects for divers. The working depth is 100 meters, and the top is equipped with a compass, which is easy to identify the direction under the water. The whole is bright yellow. The receiver is equipped with a gun grip, and the diver can operate the receiver with one hand. The frequency is 3kHz to97khz, the bandwidth is 2KHz, and the directivity (usually) is 30 °. The battery is a rechargeable nickel cadmium battery.