The TDT1000 Transducer Diagnostic Tester compares the transducer onboard your vessel to its original specifications when it left the Airmar factory. Simply install the SensorCheck™ app on your Bluetooth LE-enabled smart device, connect to the TDT1000 and get started! Accurately test both traditional and CHIRP-ready transducers that operate at frequencies ranging from 10 kHz to 500 kHz. With CHIRP-ready units and any traditional units over 1kW and above, the TDT1000 will automatically read Xducer