Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearVü scanning sonar with a stainless steel stem, this thru-hull mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below the boat.
The CHIRP ClearVü element has a power rating of 500 W and operating frequencies of 260/455 kHz. The traditional sonar has a power rating of 600 W and operating frequencies of 50/200 kHz. It includes a built-in fast-response temperature sensor. For hull deadrises less than 25 degrees.
GT21-TH includes an 8-pin transducer with stainless steel stem, fairing block, isolation plate and bushings, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.
Weight: 4.79 lbs. (2.17 kg)
Cable length: 30 ft
Number of pins on connector: 8
Dimensions:
Transducer: 9.0 x 2.5 x 1.6 in (228 x 62 x 41 mm)
Thru-hull Stem: Ø1.0 x 5.3 in (Ø24 x 135 mm)
Thru-hull fairing block: 12.7 x 4.6 x 2.5 in (323 x 116 x 64 mm)
Frequency:
Traditional: 50/200 kHz
ClearVü: CHIRP 245-275 kHz and CHIRP 445-465 kHz
Transmit power:
Traditional: 600 W
ClearVü: 500 W
Max Depth:
Traditional: 1,500 ft
ClearVü: 1,000 ft
Beam Width (°) LF/HF (-3dB):
Traditional: 40/10
ClearVü:
2.0×51@260
1.4×29@455
Read water temperature: Yes
