Generally, a hatch cover testing device is prepared out of two units which are known to be generator and receiver. Ultrasound with emission of particular frequency of 40,000 Hz, the generator manages to prove. With the integration of magnets, it can be attached to various surfaces easily within sealed areas. Receiver is capable of receiving the signals and conversion is made which results into the indication of W/T integrity. This advance and efficient system helps the entire areas under monitoring in functioning and enhance performance may be. Moreover, with the fire extinguisher monitoring range produced by Coltraco Ultrasonic Ltd, the results can be transferred to the computer where a permanent data can be stored. It further helps to compare the results and efficiency of these devices along with the installed system you have invested on for emergency situations. Portascanner™ II is ... Read more »